List of characters

This is a list of characters featured in the Super Mario franchise and all related series of video games and other media. The list includes the game or other type of media where each character first appeared.

#

 * 13-Amp – ''WarioWare Gold
 * 18-Volt – ''WarioWare: Twisted!
 * 3 Musty Fears – ''Super Mario RPG: Legend of the Seven Stars
 * 4.1 – ''WarioWare: Touched!
 * 4.2 – ''WarioWare: Touched!
 * 5-Volt – ''WarioWare: Twisted!
 * 9-Volt – ''WarioWare, Inc.: Mega Microgame$!

A

 * A. Coz – ''Mario Tennis
 * Abraham Lincoln – ''Mario's Time Machine
 * Ace investigative reporter – ''Donkey Kong Jungle Action Special
 * Action Toad – ''Paper Mario: Color Splash
 * Admiral Bobbery – ''Paper Mario: The Thousand-Year Door
 * Aerodent – ''Wario Land 4
 * Akiki – ''Mario Party Advance
 * Akuiwagumi – Super Mario-kun volume 3
 * Akuiwagumi's leader – Super Mario-kun volume 3
 * Alarm clock – ''Wario Land II
 * Alarm Monkey – ''Mario's Bombs Away
 * Albert Einstein – ''Mario's Time Machine
 * Alena – ''Itadaki Street DS
 * Alex – ''Mario Tennis
 * Ali Mustafa – ''Club Nintendo
 * Alien – ''Mario Party 5
 * Alkementor - Mario + Rabbids Sparks of Hope
 * Allegra - Mario + Rabbids Sparks of Hope
 * Allie – ''Mario Tennis
 * Alligator Dundee – ''The Super Mario Bros. Super Show!
 * Alph – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Alyssa Milano – ''Mario Ice Capades
 * Amy Rose – ''Mario & Sonic at the Olympic Games
 * Ana – ''WarioWare, Inc.: Mega Microgame$!
 * Ana's Crew – ''WarioWare, Inc.: Mega Microgame$!
 * Ancient Minister – ''Super Smash Bros. Brawl
 * Andrew Iverson – ''Mario's Time Machine
 * Angelica – ''The Super Mario Bros. Super Show!
 * Angelo – ''Itadaki Street DS
 * Anne Hathaway – ''Mario's Time Machine
 * Anonster – ''Wario Land 3
 * Antasma – ''Mario & Luigi: Dream Team
 * Anthony Scapelli – Super Mario Bros. (film)
 * Appleby – ''Wario Land 3
 * Apprentice – ''Super Mario RPG: Legend of the Seven Stars
 * Aqualea – ''Wario's Woods
 * Areku Hakase – ''Super Mario Land 2
 * Arfur – ''Paper Mario: The Thousand-Year Door
 * Arich – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Aristotle – ''Mario's Time Machine
 * Armored Harriers – ''Paper Mario: The Thousand-Year Door
 * Army Dillo – ''Donkey Kong 64
 * Army Hammer Bro – ''Super Princess Peach
 * Art – ''WarioWare: Touched!
 * Ashley – ''WarioWare: Touched!
 * Augie - Mario + Rabbids Sparks of Hope
 * Aunt Luigeena – ''The Super Mario Bros. Super Show!
 * Aunt Marie – ''The Super Mario Bros. Movie
 * Awabō – ''Wario Land II
 * Axem Black – ''Super Mario RPG: Legend of the Seven Stars
 * Axem Green – ''Super Mario RPG: Legend of the Seven Stars
 * Axem Pink – ''Super Mario RPG: Legend of the Seven Stars
 * Axem Red – ''Super Mario RPG: Legend of the Seven Stars
 * Axem Yellow – ''Super Mario RPG: Legend of the Seven Stars
 * Azalea – ''Mario Golf

B

 * B. Coz – ''Mario Tennis
 * B. Locker – ''Donkey Kong 64
 * Ba-Boom – ''Donkey Kong Country: Tropical Freeze
 * Babs – ''Super Paper Mario
 * Baby Bowser – ''Super Mario World 2: Yoshi's Island
 * Baby Daisy – ''Mario Kart Wii
 * Baby Donkey Kong – ''Yoshi's Island DS
 * Baby Kong – Donkey Kong Country (television series)
 * Baby Luigi – ''Super Mario World 2: Yoshi's Island
 * Baby Luma – ''Super Mario Galaxy
 * Baby Mario – ''Super Mario World 2: Yoshi's Island
 * Baby Peach – ''Mario & Luigi: Partners in Time
 * Baby Rosalina – ''Mario Kart 8
 * Baby Wario – ''Yoshi's Island DS
 * Bachelor – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Baffle – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Bahamutt – ''Super Mario RPG: Legend of the Seven Stars
 * Baker – ''Mario Paint
 * Balloon Fighter – ''Super Smash Bros. Melee
 * Bamma – ''Paper Mario: The Thousand-Year Door
 * Banana Fairy Princess – ''Donkey Kong 64
 * Banana Queen – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Bandy Andy – ''Paper Mario: The Thousand-Year Door
 * Banktoad – ''Super Mario Galaxy 2
 * Banjo – ''Diddy Kong Racing
 * Barb – ''Mario Tennis: Power Tour
 * Barbos – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Barfatronic Lavachomper – ''Wario: Master of Disguise
 * Barnacle – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Baron Brrr – ''Super Mario Galaxy
 * Barry – ''Super Paper Mario
 * Barter – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Bashmaster – ''Donkey Kong Country: Tropical Freeze
 * Battle T. – ''Mario Party 2
 * Battra Hanachan – Super Mario-kun volume 6
 * Bayonetta – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Bazaar – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Bazooka – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Bea - Mario + Rabbids Sparks of Hope
 * Bean – ''Mobile Golf
 * Beanbean troop – ''Mario & Luigi: Superstar Saga
 * Beanstalk – ''Donkey Kong 64
 * Bear – ''Donkey Kong Land III
 * Bedrock – ''Mario + Rabbids Sparks of Hope
 * Bedsmith – ''Mario & Luigi: Dream Team
 * Beef – ''Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey
 * Beep-0 – ''Mario + Rabbids Kingdom Battle
 * Beetle – ''Donkey Kong 64
 * Beetle Mania Toad – ''Super Mario RPG: Legend of the Seven Stars
 * Belcha – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Beldam – ''Paper Mario: The Thousand-Year Door
 * Belinda – ''Saturday Supercade
 * Bell Kritters – ''Donkey Kong 64
 * Belltop – ''Mario Party 3
 * Belome – ''Super Mario RPG: Legend of the Seven Stars
 * Benjamin Franklin – ''Mario's Time Machine
 * Benny – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Bestovius – ''Super Paper Mario
 * Bessie Bass – ''Yoshi's Island DS
 * Beth – ''Mario Tennis
 * Betsy – ''Super Paper Mario
 * Bianca – ''Itadaki Street DS
 * Biff Atlas – ''Luigi's Mansion
 * Big bad wolf – ''The Super Mario Bros. Super Show!
 * Big Bertha – Super Mario Bros. (film)
 * Big Bird – ''Super Mario Land 2: 6 Golden Coins
 * Big Bullet Bill – ''Mario & Sonic at the Olympic Winter Games
 * Big Bungee Piranha – ''Yoshi's Island DS
 * Big Burt Bros. – ''Yoshi's Island DS
 * Big Daddy of Blooper-surfing – ''Super Mario Sunshine
 * Big Kamukamu – ''Wario Land II
 * Big Lantern Ghost – ''Paper Mario
 * Big Massif – ''Mario & Luigi: Dream Team
 * Big Mr. I. – ''Super Mario 64
 * Big Paint Star – ''Paper Mario: Color Splash
 * Big Penguin – ''Super Mario 64
 * Big Piranha Plant – ''Mario Kart: Double Dash!!
 * Big Top – ''Mario Party 8
 * Big the Cat – ''Mario & Sonic at the Olympic Games
 * Bigger Boo – ''Super Mario World 2: Yoshi's Island
 * Bingo – ''The Super Mario Bros. Super Show!
 * Bill Board – ''Super Mario Galaxy
 * Bink – ''Mario & Luigi: Superstar Saga
 * Biokinton – ''Super Mario Land
 * Bird – ''Mobile Golf
 * Birdley – ''Mario & Luigi: Bowser's Inside Story
 * Birdo – ''Super Mario Bros. 2
 * Bizzy – ''Super Paper Mario
 * Björn – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Blablanadon – ''Mario & Luigi: Superstar Saga
 * Black Boo – ''Super Mario Bros. Deluxe
 * Black Dog – ''Wario Land 4
 * Black Dragon – ''Wario Land 4
 * Black Jewel – ''Wario World
 * Black Mage – ''Mario Hoops 3-on-3
 * Black Ninjakoopa – ''Paper Mario
 * Blanka – ''Club Nintendo
 * Blappy – ''Super Paper Mario
 * Blarfle – ''Super Paper Mario
 * Blaze the Cat – ''Mario & Sonic at the Olympic Games
 * Bleak – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Bleu – ''Super Paper Mario
 * Blinky – ''Mario Kart Arcade GP
 * Blitties – ''Mario & Luigi: Bowser's Inside Story
 * Blizza – ''Mario & Sonic at the Olympic Winter Games
 * Blizzard – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Blizzard Midbus – ''Mario & Luigi: Bowser's Inside Story
 * Blizzaurus – ''Super Princess Peach
 * Blizzy – ''Mario + Rabbids Kingdom Battle
 * Bloat – ''Mario & Luigi: Superstar Saga
 * Blobule – ''Super Paper Mario
 * Blooey – ''Paper Mario: The Thousand-Year Door
 * Bloomsday – ''Wario Land: Shake It!
 * Blubi – ''Super Paper Mario
 * Blue – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Blue Goomba – ''Paper Mario
 * Blue Toad – ''New Super Mario Bros. Wii
 * Bluey the Walrus – ''Diddy Kong Racing
 * Blunder – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Bluster Kong – Donkey Kong Country (television series)
 * Bob – ''Mario Tennis
 * Bob-omb – ''Paper Mario: The Origami King
 * Bob-omb Squad – ''Paper Mario: The Thousand-Year Door
 * Bob-omba – ''Mario Party Advance
 * Bobo – ''Wario Land: Super Mario Land 3
 * Boddle – ''Mario & Luigi: Superstar Saga
 * Boddle's assistant – ''Mario & Luigi: Superstar Saga
 * Bogmire – ''Luigi's Mansion
 * Bog Monster – Donkey Kong Country (television series)
 * Bomberman – ''Wario Blast: Featuring Bomberman!
 * Bomberto – ''Paper Mario: The Thousand-Year Door
 * Bombette – ''Paper Mario
 * Bonechill – ''Super Paper Mario
 * Boneheads – ''WarioWare, Inc.: Mega Microgame$!
 * Bones – ''Saturday Supercade
 * Bonetail – ''Paper Mario: The Thousand-Year Door
 * Bonneter biologist – ''Super Mario Odyssey
 * Boo – ''Mario Party 4
 * Boodin – ''Super Paper Mario
 * Booker T. Washington – ''Mario's Time Machine
 * Boolossus – ''Luigi's Mansion
 * Boom – ''Wario's Woods
 * Boom Boom – ''Super Mario Bros. 3
 * Boomer – ''Super Mario RPG: Legend of the Seven Stars
 * Boomer – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Boomer – ''Super Paper Mario
 * Boos in Luigi's Mansion – ''Luigi's Mansion
 * Booster – ''Super Mario RPG: Legend of the Seven Stars
 * Bootler – ''Paper Mario
 * Border Bros. – ''Mario & Luigi: Superstar Saga
 * Boshi – ''Super Mario RPG: Legend of the Seven Stars
 * Bottles – ''Super Mario in Aloha Hawaii
 * Bouldergeist – ''Super Mario Galaxy
 * Bowletta – ''Mario & Luigi: Superstar Saga
 * Bowser – ''Super Mario Bros.
 * Bowser??? – ''Paper Mario
 * Bowser's ancestor – Super Mario-kun volume 4
 * Bowser Jr. – ''Super Mario Sunshine
 * Bowser Memory ML – ''Mario & Luigi: Bowser's Inside Story
 * Bowser's Brother – ''Super Mario Bros.: The Lost Levels
 * Bowser's father – ''Nintendo Comics System
 * Bowser's mother – ''The Super Mario Bros. Super Show!
 * Bowser's sister – ''Ignorance is Bliss
 * Bowyer – ''Super Mario RPG: Legend of the Seven Stars
 * Box Boy – ''Super Mario RPG: Legend of the Seven Stars
 * Boy – ''WarioWare: Smooth Moves
 * Bozzo – ''Super Paper Mario
 * Bramble – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Brash – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Brawl Doll – ''Wario World
 * Brian – ''Saturday Supercade
 * Brian – ''Mario Tennis
 * Brian Bonsall – ''The Super Mario Bros. Super Show!
 * Brickle – ''Mario & Luigi: Dream Team
 * Bridget the Baker – ''WarioWare: Touched!
 * Brighton – ''Mario Party 6
 * Britta – ''Mario & Luigi: Dream Team
 * BrKLnCouple – ''The Super Mario Bros. Movie
 * Britney – ''Mario Party Advance
 * Brobot / Brobot L-type – ''Super Paper Mario
 * Broggy – ''Mario & Luigi: Bowser's Inside Story
 * Broque Madame – ''Mario & Luigi: Bowser's Inside Story
 * Broque Monsieur – ''Mario & Luigi: Bowser's Inside Story
 * Brothers Bear – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Bruce – ''Paper Mario
 * Brutius Maximus Grouchimus – ''The Super Mario Bros. Super Show!
 * Bub – ''Paper Mario: The Thousand-Year Door
 * Bub-ulber – ''Paper Mario: The Thousand-Year Door
 * Bubbles – ''Mario & Luigi: Superstar Saga
 * Bubbles – ''VS. Pinball
 * Bubble Plant – ''Paper Mario
 * Bubbler the Octopus – ''Diddy Kong Racing
 * Buckies – ''Super Mario Sunshine
 * Bud – ''The Adventures of Super Mario Bros. 3
 * Bud and Missy's mother – ''The Adventures of Super Mario Bros. 3
 * Buddy – ''Mario's Bombs Away
 * Bumper – ''Diddy Kong Racing
 * Bundt – ''Super Mario RPG: Legend of the Seven Stars
 * Bunsen – ''The Super Mario Bros. Super Show!
 * Burt the Bashful – ''Super Mario World 2: Yoshi's Island
 * Businessman – ''Paper Mario: The Thousand-Year Door
 * Butterfingers – ''The Super Mario Bros. Super Show!
 * Buzz – ''Mario Golf
 * Buzzar – ''Paper Mario
 * Buzzard – ''Donkey Kong 64
 * Bwaluigi – ''Mario + Rabbids Kingdom Battle
 * Bwario – ''Mario + Rabbids Kingdom Battle
 * Byleth – ''Super Smash Bros. Ultimate

C

 * Cackletta – ''Mario & Luigi: Superstar Saga
 * Cactuar – ''Mario Hoops 3-on-3
 * Cactus King – ''Donkey Kong Jungle Beat
 * Candy Clone – Donkey Kong Country (television series)
 * Candy Kong – ''Donkey Kong Country
 * Cannon Pianta – ''Super Mario Sunshine
 * Cappy – ''Super Mario Odyssey
 * Captain – ''Super Mario Sunshine
 * Captain Abidab – ''The Super Mario Bros. Super Show!
 * Captain Boo – ''Mario & Luigi: Superstar Saga + Bowser's Minions
 * Captain Clump – ''The Super Mario Bros. Super Show!
 * Captain Falcon – ''Super Smash Bros.
 * Captain Gills – ''Super Paper Mario
 * Captain Goomba – ''Mario & Luigi: Superstar Saga + Bowser's Minions
 * Captain Goomba – ''Mario Party 8
 * Captain Koopa Troopa – ''Mario & Luigi: Superstar Saga + Bowser's Minions
 * Captain Olimar – ''Super Smash Bros. Brawl
 * Captain Orion - Mario + Rabbids Sparks of Hope
 * Captain Shy Guy – ''Mario Party 8
 * Captain Shy Guy – ''Mario & Luigi: Superstar Saga + Bowser's Minions
 * Captain Skull – ''Wario World
 * Captain Syrup – ''Wario Land: Super Mario Land 3
 * Captain T. Ode – ''Paper Mario: The Origami King
 * Captain Toad – ''Super Mario Galaxy
 * Card Connoisseur Toad – ''Paper Mario: Color Splash
 * Carlton – ''Wario's Woods
 * Carpaccio – ''Wario: Master of Disguise
 * Carrie – ''Super Paper Mario
 * Carrot – Super Mario-kun volume 6
 * Carson – ''Super Paper Mario
 * Catbat – ''Wario Land 4
 * Catherine Dickens – ''Mario's Time Machine
 * Chad – ''Mario Tennis: Power Tour
 * Chakron – ''Mario & Luigi: Bowser's Inside Story
 * Chanterelle – ''The Super Mario Bros. Movie
 * Chan – ''Paper Mario
 * Chap – ''Super Paper Mario
 * Chap – ''Super Paper Mario
 * Chas – ''Mario Tennis: Power Tour
 * Charles Dickens – ''Mario's Time Machine
 * Charles-Gaspard de la Rive – ''Mario's Time Machine
 * Charlie – ''Mario Golf
 * Charlieton – ''Paper Mario: The Thousand-Year Door
 * Charmy Bee – ''Mario & Sonic at the Olympic Games
 * Charold – ''Super Paper Mario
 * Chauncey – ''Luigi's Mansion
 * Chaz – ''Super Paper Mario
 * Cheepskipper – ''New Super Mario Bros.
 * Cheepy – ''The Super Mario Bros. Super Show!
 * Chef Shimi – ''Paper Mario: The Thousand-Year Door
 * Chef Spore – ''Nintendo Comics System
 * Chef Torte – ''Super Mario RPG: Legend of the Seven Stars
 * Cher – ''The Super Mario Bros. Super Show!
 * Cherie – ''Super Paper Mario
 * Chester – ''Super Mario RPG: Legend of the Seven Stars
 * Chet – ''Mario Tennis: Power Tour
 * Chet – ''Super Paper Mario
 * Chet Rippo – ''Paper Mario
 * Chief Chilly – ''Super Mario 64 DS
 * Chief Quimby – ''The Super Mario Bros. Super Show!
 * Chill Bully – ''Super Mario 64
 * Chirako – Super Mario-kun volume 10
 * Chō Dossun – Super Mario-kun volume 7
 * Chochin Unkou – Super Mario-kun volume 10
 * Chomp Country – ''Paper Mario: The Thousand-Year Door
 * Chopperbird – ''Donkey Kong Jungle Beat
 * Chōrō-sama – ''Mario & Wario
 * Chortlebot – ''Wario Land: Shake It!
 * Chosen Toads – ''Paper Mario: Color Splash
 * Chris – ''Mario Tennis: Power Tour
 * Chrom – ''Super Smash Bros. for Nintendo 3DS
 * Chuck Quizmo – ''Paper Mario
 * Chuckie – ''Super Mario in Die Nacht des Grauens
 * Chuckleroot – ''Mario & Luigi: Superstar Saga
 * Chuckolator – ''Mario & Luigi: Superstar Saga
 * Chun-Li – ''Club Nintendo
 * Chunky Kong – ''Donkey Kong 64
 * Clawgrip – ''Super Mario Bros. 2
 * Clapper – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Clay – ''Mario Tennis: Power Tour
 * Cleftor – ''Paper Mario: The Thousand-Year Door
 * Cleopatra – ''Mario's Time Machine
 * Clerk – ''Super Mario RPG: Legend of the Seven Stars
 * Cloaker – ''Super Mario RPG: Legend of the Seven Stars
 * Clockwork Soldiers – ''Luigi's Mansion
 * Clog – ''The Super Mario Bros. Super Show!
 * Cloud N. Candy – ''Yoshi's Story
 * Cloud Strife – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Cloudjin – ''Yoshi's Story
 * Clown-a-Round – ''Wario World
 * Co-Star Luma – ''Super Mario Galaxy 2
 * Coach – ''Mario Party Advance
 * Coach – ''Super Mario Galaxy
 * Coach – ''Super Mario Odyssey
 * Coin Fish – ''Super Mario Sunshine
 * Colored Pencils – ''Paper Mario: The Origami King
 * Comet Tico – ''Super Mario Galaxy
 * Commander Shroob – ''Mario & Luigi: Partners in Time
 * Congazuma – ''DK: King of Swing
 * Conker – ''Diddy Kong Racing
 * Conn – ''Super Paper Mario
 * Constanze Mozart – ''Mario's Time Machine
 * CooKoo Bird – ''The Super Mario Bros. Super Show!
 * Cork and Cask – ''Mario & Luigi: Superstar Saga
 * Corporal Paraplonk – ''Mario & Luigi: Bowser's Inside Story
 * Corrin – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Cortez – ''Paper Mario: The Thousand-Year Door
 * Cosmic Luigi – ''Super Mario Galaxy
 * Cosmic Mario – ''Super Mario Galaxy
 * Cosmic Spirit – ''Super Mario Galaxy 2
 * Count Bleck – ''Super Paper Mario
 * Count Cannoli – ''Wario: Master of Disguise
 * Count Down – ''Super Mario RPG: Legend of the Seven Stars
 * Coursebot – ''Super Mario Maker
 * Cowboy Jed – Mario Kart Wii commercial
 * Count Zoltan Dracula – ''The Super Mario Bros. Super Show!
 * Crab – ''Club Nintendo
 * Cractus – ''Wario Land 4
 * Cranky Kong – ''Donkey Kong Country
 * Cranky Kong's great grandfather – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Crate guy – ''Super Mario Sunshine
 * Craw-Daddy – ''Paper Mario: The Thousand-Year Door
 * Crazy Hand – ''Super Smash Bros. Melee
 * Cream the Rabbit – ''Mario & Sonic at the Olympic Games
 * Crime Wave Clyde – ''The Adventures of Super Mario Bros. 3
 * Croco – ''Super Mario RPG: Legend of the Seven Stars
 * Crystal King – ''Paper Mario
 * Cuby – ''Mario & Sonic at the Olympic Winter Games
 * Cuckoo Condor – ''Wario Land 4
 * Cudge – ''Super Paper Mario
 * Culex – ''Super Mario RPG: Legend of the Seven Stars
 * Cup King – ''Wario Blast: Featuring Bomberman!
 * Curator – ''Mario is Missing!
 * Cursa - Mario + Rabbids Sparks of Hope
 * Curt – ''Mario Tennis
 * Cutter – ''The Adventures of Super Mario Bros. 3
 * Cybele – ''Mario and the Incredible Rescue
 * Cyndi Lauper – ''The Super Mario Bros. Super Show!
 * Cyrrus – ''Super Paper Mario
 * Czar Dragon – ''Super Mario RPG: Legend of the Seven Stars

D

 * Da Da - Mario + Rabbids Sparks of Hope
 * Dancing Jewels – ''Itadaki Street DS
 * Dancing Monkeys – ''WarioWare: Smooth Moves
 * Dane T. – ''Paper Mario
 * Daniella – Super Mario Bros. (film)
 * Danny – ''WarioWare Gold
 * Daphne - Mario + Rabbids Sparks of Hope
 * Dark Bowser – ''Mario & Luigi: Bowser's Inside Story
 * Dark Fawful – ''Mario & Luigi: Bowser's Inside Story
 * Dark Lord Hum Gree – ''WarioWare Gold
 * Dark Pit – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Dark Samus – ''Super Smash Bros. Brawl
 * Dark Star – ''Mario & Luigi: Bowser's Inside Story
 * Dark Star Core – ''Mario & Luigi: Bowser's Inside Story
 * Darkly – ''Paper Mario: The Thousand-Year Door
 * Dashell – ''Super Paper Mario
 * David Grenewetzki – ''Mario's Time Machine
 * David Horowitz – ''The Super Mario Bros. Super Show!
 * Davy Bones – ''DK: King of Swing
 * Dazzle – ''Paper Mario: The Thousand-Year Door
 * Dead Bones – ''Paper Mario: The Thousand-Year Door
 * Dealin' Delbert – ''The Super Mario Bros. Super Show!
 * Deborah Read – ''Mario's Time Machine
 * Deco – ''WarioWare: Touched!
 * Dedar – ''Wario's Woods
 * Demon Head – ''Virtual Boy Wario Land
 * "Deep Cuts" Toad – ''Paper Mario: Color Splash
 * Desert Wanderer – ''Super Mario Odyssey
 * Destructors – ''Paper Mario: The Thousand-Year Door
 * Devil's Head – ''Wario Land: Super Mario Land 3
 * Dhalsim – ''Club Nintendo
 * Dharkon – ''Super Smash Bros. Ultimate
 * Diamond Academy Audience – ''WarioWare: Smooth Moves
 * Diamond City Roughs – ''WarioWare: Smooth Moves
 * Diamond Police – ''WarioWare, Inc.: Mega Microgame$!
 * Diamond Troll – ''WarioWare: Twisted!
 * Diddy Kong – ''Donkey Kong Country
 * Dieter – ''Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey
 * Dimentio – ''Super Paper Mario
 * Ding-A-Ling – ''Super Mario RPG: Legend of the Seven Stars
 * Dino Piranha – ''Super Mario Galaxy
 * DinoMighty – ''Wario World
 * The Dinosaurs – ''WarioWare: Twisted!
 * Director – ''Super Mario RPG: Legend of the Seven Stars
 * Dirk Drain-Head – ''Nintendo Comics System
 * Dixie Kong – ''Donkey Kong Country 2: Diddy's Kong Quest
 * DJ Cheep Tuna - Mario + Rabbids Sparks of Hope
 * Doc Freud – ''The Super Mario Bros. Super Show!
 * Doctor – ''The Adventures of Super Mario Bros. 3
 * Dodo – ''Super Mario RPG: Legend of the Seven Stars
 * Doe T. – ''Paper Mario: The Thousand-Year Door
 * Dogadon – ''Donkey Kong 64
 * Dogu – ''Wrecking Crew '98
 * Doll Boy – ''Wario Land 3
 * Domino – ''Super Mario RPG: Legend of the Seven Stars
 * Don Bongo – ''Yoshi's Story
 * Don Lloyd – ''Mario's Time Machine
 * Don Pianta – ''Paper Mario: The Thousand-Year Door
 * Don the Sparrow – ''WarioWare, Inc.: Mega Microgame$!
 * Don Zunāna – ''Donkey Kong Country: Tropical Freeze
 * Donkey Kong – ''Donkey Kong
 * Donkey Kong Jr. – ''Donkey Kong Junior
 * Donny – ''Nintendo Adventure Books
 * Doopliss – ''Paper Mario: The Thousand-Year Door
 * Doot-Doot Sisters – ''Super Mario Sunshine
 * Dösn – ''Club Nintendo
 * Dorguy the First – ''Super Paper Mario
 * Dorguy the Second – ''Super Paper Mario
 * Dorguy the Third – ''Super Paper Mario
 * Doris 1 – ''WarioWare Gold
 * Dottie – ''Super Paper Mario
 * Double Tusk – ''Donkey Kong Jungle Beat
 * Dr. Alex – ''Super Mario Land 3
 * Dr. Crygor – ''WarioWare, Inc.: Mega Microgame$!
 * Dr. Eggman – ''Mario & Sonic at the Olympic Games
 * Dr. Frankenstein – ''The Super Mario Bros. Super Show!
 * Dr. Light – ''Club Nintendo
 * Dr. Nerdnick – ''The Super Mario Bros. Super Show!
 * Dr. Payne – ''WarioWare: Touched!
 * Dr. Potter – ''Luigi's Mansion 3
 * Dr. Sheldon – ''The Super Mario Bros. Super Show!
 * Dr. Sigmund Fruitcake – ''The Super Mario Bros. Super Show!
 * Dr. Snoozemore – ''Mario & Luigi: Dream Team
 * Dr. Sporis von Fungenstein – ''Nintendo Adventure Books
 * Dr. T. Garden – ''The Super Mario Bros. Super Show!
 * Dr. Toadley – ''Mario & Luigi: Bowser's Inside Story
 * Dr. Toadley's intern – ''Mario & Luigi: Bowser's Inside Story
 * Dr. Toby – ''The Super Mario Bros. Super Show!
 * Dr. Topper – ''Super Mario RPG: Legend of the Seven Stars
 * Dr. Vent - Mario + Rabbids Sparks of Hope
 * Dr. Waldo Bloom – ''Nintendo Comics System
 * Dr. Wily – ''Club Nintendo
 * Draglinger – ''DK: Jungle Climber
 * Drago – ''Wario's Woods
 * Dragonlord – ''Itadaki Street DS
 * Dragonzamasu – ''Super Mario Land
 * Dread Kong – ''Donkey Kong Jungle Beat
 * Dream Stone Soul – ''Mario & Luigi: Dream Team
 * Dreamy Luigi – ''Mario & Luigi: Dream Team
 * Dribble – ''WarioWare, Inc.: Mega Microgame$!
 * Drill Bit – ''Super Mario RPG: Legend of the Seven Stars
 * Driver – ''Mario's Cement Factory
 * Driver – ''The Super Mario Bros. Movie
 * Drumstick – ''Diddy Kong Racing
 * Dryad - Mario + Rabbids Sparks of Hope
 * Dry Bowser – ''New Super Mario Bros.
 * Dual Dragon – ''Wario World
 * Duck Hunt Duo – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Duke – ''Super Mario World
 * Duke of Alençon – ''Mario's Time Machine
 * Dumb Drum – ''Donkey Kong Country
 * Dunk – ''Wario Land II
 * Dupree – ''Paper Mario: The Thousand-Year Door
 * Dweezil – ''Mario Tennis: Power Tour
 * Dyllis – ''Super Paper Mario
 * Dyna & Mite – ''Super Mario RPG: Legend of the Seven Stars

E

 * E-123 Omega – ''Mario & Sonic at the Olympic Winter Games
 * Earth Link – ''Super Mario RPG: Legend of the Seven Stars
 * E.C. – ''The Super Mario Bros. Super Show!
 * Eddie the Mean Old Yeti – Donkey Kong Country (television series)
 * Eddy the Mask – ''Paper Mario: The Thousand-Year Door
 * Edge – ''Mario + Rabbids Sparks of Hope
 * Edison – ''The Super Mario Bros. Super Show!
 * Edmund Halley – ''Mario's Time Machine
 * Eely-Mouth – ''Super Mario Sunshine
 * Eggman Nega – ''Mario & Sonic at the Olympic Winter Games
 * Egyptian Koopa – ''Mario Pinball Land
 * Einstein – ''The Super Mario Bros. Super Show!
 * Elden – ''Mario Tennis
 * Elder – ''Super Mario RPG: Legend of the Seven Stars
 * Elder Princess Shroob – ''Mario & Luigi: Partners in Time
 * Elder Shrooboid – ''Mario & Luigi: Partners in Time
 * Eldstar – ''Paper Mario
 * Eldream – ''Mario & Luigi: Dream Team
 * Electrician – ''Donkey Kong Jungle Action Special
 * Electro Blooper – ''Paper Mario
 * Elephant Ogre – ''WarioWare: Smooth Moves
 * Ella – ''Mario Golf: Advance Tour
 * Ellie – ''Super Paper Mario
 * Ellie – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Ellie Mae – ''The Super Mario Bros. Super Show!
 * Elroy – ''Mario Tennis: Power Tour
 * Elvin Gadd (past) – ''Mario & Luigi: Partners in Time
 * Elvin Parsley – ''The Super Mario Bros. Super Show!
 * Elvira – ''The Super Mario Bros. Super Show!
 * Elvis Presley – ''The Super Mario Bros. Super Show!
 * Emi – ''Mario Tennis: Power Tour
 * Emily – ''Mario Tennis
 * Emoglobin – ''Mario & Luigi: Bowser's Inside Story
 * Emperor Ed – ''The Adventures of Super Mario Bros. 3
 * Enguarde – ''Donkey Kong Country
 * Erik, Baleog and Olaf – ''Super Mario: Verloren in der Zeit
 * Ernie Hudson – ''The Super Mario Bros. Super Show!
 * Espio the Chameleon – ''Mario & Sonic at the Olympic Games
 * Eve – ''Paper Mario: The Thousand-Year Door
 * Evil dinosaur – ''Super Mario World
 * Evil Woody – ''Mario Party 3
 * Excess Express conductor – ''Paper Mario: The Thousand-Year Door
 * Excess Express engineer – ''Paper Mario: The Thousand-Year Door
 * Excess Express waitress – ''Paper Mario: The Thousand-Year Door
 * Expresso – ''Donkey Kong Country
 * Exor – ''Super Mario RPG: Legend of the Seven Stars
 * Exterminator – ''The Super Mario Bros. Super Show!
 * Eyerok – ''Super Mario 64

F

 * Factory Chief – ''Super Mario RPG: Legend of the Seven Stars
 * Fahr Outpost mayor – ''Paper Mario: The Thousand-Year Door
 * Fake Wario – ''Wario's Woods
 * Falco Lombardi – ''Super Smash Bros. Melee
 * Fan Kids in the Shop – ''WarioWare: Smooth Moves
 * Fauster – ''Wario's Woods
 * Fava – ''Mario & Luigi: Superstar Saga
 * Fawful – ''Mario & Luigi: Superstar Saga
 * Fay – ''Mario Tennis
 * Fearsome 5 – ''Paper Mario
 * Ferdinand Magellan – ''Mario's Time Machine
 * Fice T. – ''Paper Mario
 * Fiery Dino Piranha – ''Super Mario Galaxy
 * Fire God – ''The Super Mario Bros. Super Show!
 * Fire Necky – ''DK: King of Swing
 * Firebrand – ''Mario & Luigi: Superstar Saga
 * Fishmael – ''Paper Mario
 * Five Fun Guys – ''Paper Mario: Color Splash
 * Flab Boys – ''The Super Mario Bros. Super Show!
 * Flaky – ''The Super Mario Bros. Super Show!
 * Flamm – ''Super Paper Mario
 * Flare – ''Paper Mario: The Thousand-Year Door
 * Flavio – ''Paper Mario: The Thousand-Year Door
 * Fleep – ''Super Paper Mario
 * Fleet Roc – ''Donkey Kong Jungle Beat
 * Flight – ''Paper Mario
 * Flimm – ''Super Paper Mario
 * Flint Cragley – ''Super Paper Mario
 * Flit – ''Mario Tennis: Power Tour
 * Flo – ''Paper Mario: The Thousand-Year Door
 * F.L.U.D.D. – ''Super Mario Sunshine
 * Fluffy – ''Nintendo Comics System
 * Flurl – ''Donkey Kong Jungle Beat
 * Flurrie – ''Paper Mario: The Thousand-Year Door
 * Fluzzard – ''Super Mario Galaxy 2
 * Foreman – ''Paper Mario: Color Splash
 * Foreman Spike – ''Wrecking Crew
 * Four heroes – ''Paper Mario: The Thousand-Year Door
 * Fox McCloud – ''Super Smash Bros.
 * Fracktail – ''Super Paper Mario
 * Francesca – ''Paper Mario: The Thousand-Year Door
 * Francis – ''Super Paper Mario
 * Francis Drake – ''Mario's Time Machine
 * Frankenstein's Monster – ''The Super Mario Bros. Super Show!
 * Frankie – ''Paper Mario: The Thousand-Year Door
 * Franky – ''Paper Mario
 * Fred – ''Paper Mario: The Thousand-Year Door
 * Frederick Douglass – ''Mario's Time Machine
 * Fret – ''Super Paper Mario
 * Friendly Floyd – ''Super Mario Adventures
 * Frogfucius – ''Super Mario RPG: Legend of the Seven Stars
 * Frogfucius' Student – ''Super Mario RPG: Legend of the Seven Stars
 * Froggy – ''Super Mario World 2: Yoshi's Island
 * Fronk – ''WarioWare, Inc.: Mega Microgame$!
 * Frost T. – ''Paper Mario
 * Frosty – ''Mario & Sonic at the Olympic Winter Games
 * Fryguy – ''Super Mario Bros. 2
 * Fugu – ''Donkey Kong Country: Tropical Freeze
 * Funky Kong – ''Donkey Kong Country
 * Fuzz, The – ''Paper Mario: The Thousand-Year Door
 * Fuzzipede – ''Paper Mario

G

 * Gabbro – ''Super Paper Mario
 * Galeem– ''Super Smash Bros. Ultimate
 * Galileo Galilei – ''Mario's Time Machine
 * Galrog – ''Wario's Woods
 * Game Bot – ''Wario Land 4
 * Game Guy – ''Mario Party 3
 * Ganon – ''The Super Mario Bros. Super Show!
 * Ganondorf – ''Super Smash Bros. Melee
 * Garamond – ''Super Paper Mario
 * Garbage Boy – ''WarioWare: Touched!
 * Gardener – ''Super Mario RPG: Legend of the Seven Stars
 * Garf – ''Paper Mario: The Thousand-Year Door
 * Garro – ''Super Mario RPG: Legend of the Seven Stars
 * Garson – ''Super Paper Mario
 * Gary – ''Mario Tennis: Power Tour
 * Gary – ''Super Paper Mario
 * Gattai monster – Super Mario-kun volume 5
 * Gaz – ''Super Mario RPG: Legend of the Seven Stars
 * Gearmo (gold) – ''Super Mario Galaxy 2
 * Gearmo (silver) – ''Super Mario Galaxy 2
 * Gene – ''Mario Golf
 * General Guy – ''Paper Mario
 * General Klump – Donkey Kong Country (television series)
 * General White – ''Paper Mario: The Thousand-Year Door
 * Genie – ''The Super Mario Bros. Super Show!
 * Genie – ''Wario Land: Super Mario Land 3
 * Genie of the Lamp – ''Mario Party 4
 * Geno – ''Super Mario RPG: Legend of the Seven Stars
 * George Washingtoad – ''The Super Mario Bros. Super Show!
 * George Washington – ''The Super Mario Bros. Super Show!
 * George Washington Carver – ''Mario's Time Machine
 * Gerspard - Mario + Rabbids Sparks of Hope
 * Ghastly King – ''Donkey Kong Jungle Beat
 * Ghost – ''Super Mario Galaxy 2
 * Ghost – ''Wario Land: Super Mario Land 3
 * Ghost – ''Wario Land II
 * Ghost – ''Wario Land 4
 * Ghost T. – ''Paper Mario: The Thousand-Year Door
 * Ghosts of Christmas – ''Warios Weihnachtsmärchen
 * Giant bee – ''Wario Land II
 * Giant Birdo – ''The Super Mario Bros. Super Show!
 * Giant Clam – ''Donkey Kong Land
 * Giant snake – ''Wario Land II
 * Giant spear man – ''Wario Land II
 * Giant Spider – ''Donkey Kong 64
 * Giant Viking Kremling – ''Donkey Kong 64
 * Giant Wiggler – ''New Super Mario Bros.
 * Giga Bowser – ''Super Smash Bros. Melee
 * Gil Board – ''Super Mario Galaxy
 * Giuseppe – ''The Super Mario Bros. Movie
 * Gladys – ''Super Paper Mario
 * Glimmer – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Gloat-Hog – ''Donkey Kong Jungle Beat
 * GLOM – ''Nintendo Adventure Books
 * Gloomer – ''Paper Mario: The Thousand-Year Door
 * Gloomtail – ''Paper Mario: The Thousand-Year Door
 * Gnaw – ''Super Paper Mario
 * Gob – ''Paper Mario: The Thousand-Year Door
 * Gobblegut – ''Super Mario Galaxy 2
 * Gold Fuzzy – ''Paper Mario: The Thousand-Year Door
 * Goldbob – ''Paper Mario: The Thousand-Year Door
 * Golden Diva – ''Wario Land 4
 * Gondolier – ''The Adventures of Super Mario Bros. 3
 * Goodstyle – ''Wario: Master of Disguise
 * The Goodwill Ambassador – ''Mario & Luigi: Superstar Saga
 * Goom Goom – ''Paper Mario: The Thousand-Year Door
 * Gooma – ''Paper Mario
 * Goomama – ''Paper Mario
 * Goomba – ''Mario Party 4
 * Goomba – ''Super Mario RPG: Legend of the Seven Stars
 * Goomba – ''Super Paper Mario
 * Goomba Bros. – ''Paper Mario: The Thousand-Year Door
 * Goomba idols – ''Mario Party 8
 * Goomba Mummy – ''The Super Mario Bros. Super Show!
 * Goombaria – ''Paper Mario
 * Goombario – ''Paper Mario
 * Goombette – ''Super Mario Odyssey
 * Goombetty – ''Mario Party Advance
 * Goombella – ''Paper Mario: The Thousand-Year Door
 * Goombob – ''Mario Party Advance
 * Goomboss – ''Paper Mario
 * Goomez – ''Paper Mario: The Thousand-Year Door
 * Goomfrey – ''Paper Mario: The Thousand-Year Door
 * Goompa – ''Paper Mario
 * Goompapa – ''Paper Mario
 * Goomther – ''Paper Mario: The Thousand-Year Door
 * Gooper Blooper – ''Super Mario Sunshine
 * Goose – ''Paper Mario: The Thousand-Year Door
 * Goosey – ''The Super Mario Bros. Super Show!
 * Goro – ''Wario's Woods
 * Goro-chan – ''Super Mario Land 2
 * Gourmet Guy – ''Paper Mario
 * Grace – ''Mario Golf
 * Grambi – ''Super Paper Mario
 * Gramma Green – ''Mario & Luigi: Partners in Time
 * Gramma Red – ''Mario & Luigi: Partners in Time
 * Gramma Toadstool – ''The Super Mario Bros. Super Show!
 * Grampie – ''Mario Golf: Advance Tour
 * Gramps – ''The Super Mario Bros. Super Show!
 * Grandma – ''Super Mario RPG: Legend of the Seven Stars
 * Grandma Mario – ''The Super Mario Bros. Super Show!
 * Grate Guy – ''Super Mario RPG: Legend of the Seven Stars
 * Grave Tusk – ''Donkey Kong Jungle Beat
 * Great Sunflower – ''Super Mario Sunshine
 * Green – ''Super Paper Mario
 * Green Ninjakoopa – ''Paper Mario
 * Greenfist – ''Wario World
 * Green Kroc – Donkey Kong Country (television series)
 * Greninja – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Grifty – ''Paper Mario: The Thousand-Year Door
 * Grubba – ''Paper Mario: The Thousand-Year Door
 * Grunt – ''The Super Mario Bros. Super Show!
 * Guard Door – ''Paper Mario
 * Guffawha Ruins monster – ''Mario & Luigi: Superstar Saga
 * Guppy – ''Super Mario Galaxy
 * Gus – ''Paper Mario: The Thousand-Year Door
 * Gunyolk – ''Super Mario RPG: Legend of the Seven Stars
 * Gururin Knight – ''Wario Blast: Featuring Bomberman!

H

 * HAL 9001 – ''The Super Mario Bros. Super Show!
 * Hakkunsai – Super Mario-kun volume 4
 * Hamma Jamma – ''Paper Mario: The Thousand-Year Door
 * Hammerhead Bros. – ''Mario & Luigi: Superstar Saga
 * Hand-It-Overs – ''Paper Mario: The Thousand-Year Door
 * Hard Hat – ''Donkey Kong Land
 * Hard Roc – ''Donkey Kong Jungle Beat
 * Harhall – ''Mario & Luigi: Superstar Saga
 * Harley Q – ''Wario's Woods
 * Harry – ''Mario Golf
 * Harry – ''Mario Tennis
 * Harry – ''Paper Mario
 * Harry – ''The Super Mario Bros. Super Show!
 * Harry Blackstone Jr. – ''The Super Mario Bros. Super Show!
 * Harry H – ''Wario's Woods
 * Haru-ōji – ''Super Mario Bros.: Peach-hime Kyūshutsu Dai Sakusen!
 * Hassan – ''Itadaki Street DS
 * Hayzee – ''Paper Mario: The Thousand-Year Door
 * Headless Snowman – ''Super Mario 64
 * Healslime – ''Itadaki Street DS
 * Heavy Smoker – ''Mario's Bombs Away
 * Hector the Reflector – ''Yoshi's Island DS
 * Heff T. – ''Paper Mario: The Thousand-Year Door
 * Helen – ''Mario Golf: Advance Tour
 * Helio – ''Wario Land 3
 * Helmut Kohl – ''Club Nintendo
 * Helvetica – ''Super Paper Mario
 * Hen – ''Wario Land II
 * Henry and Orville – ''Luigi's Mansion
 * Henry Ford – ''Mario's Time Machine
 * Herb T. – ''Paper Mario: The Thousand-Year Door
 * Herbert – ''Paper Mario
 * Hercufleas – ''The Super Mario Bros. Super Show!
 * Herlock Solmes – ''The Super Mario Bros. Super Show!
 * Herman – ''The Adventures of Super Mario Bros. 3
 * Herman Smirch – ''Nintendo Comics System
 * Hermie III – ''Mario & Luigi: Superstar Saga
 * Hero – ''Super Smash Bros. Ultimate
 * Heronicus – ''Super Paper Mario
 * Herringway – ''Paper Mario
 * Hidechan – All Night Nippon: Super Mario Bros.
 * Hidon – ''Super Mario RPG: Legend of the Seven Stars
 * Hildy – ''The Super Mario Bros. Super Show!
 * Hinky - Mario + Rabbids Sparks of Hope
 * Hinopio – ''Super Mario RPG: Legend of the Seven Stars
 * Hint Toad – ''Super Mario Galaxy
 * Hippo – ''Super Mario Land 2: 6 Golden Coins
 * Hiyoihoi – ''Super Mario Land
 * Hoggus – ''Wario Land 4
 * Hole Punch – ''Paper Mario: The Origami King
 * Hollijolli Mayor – ''Mario & Luigi: Partners in Time
 * Holly Koopa – ''Mario Party 8
 * Holly Mackerel – ''The Adventures of Super Mario Bros. 3
 * Honey Queen – ''Super Mario Galaxy
 * Hongo – ''Yoshi Topsy-Turvy
 * Hoo – ''Super Princess Peach
 * Hooded Robin – ''The Super Mario Bros. Super Show!
 * Hoodin – ''Super Paper Mario
 * Hoofer – ''Donkey Kong Jungle Beat
 * Hoohooros – ''Mario & Luigi: Superstar Saga
 * Hookbill the Koopa – ''Super Mario World 2: Yoshi's Island
 * Hooktail – ''Paper Mario: The Thousand-Year Door
 * Hoot – ''Super Mario 64
 * Horkus Porkus – ''Wario: Master of Disguise
 * Hornfels – ''Super Paper Mario
 * Ho Ti – ''Mario's Time Machine
 * Hösn – ''Club Nintendo
 * Hort – ''Super Paper Mario
 * Hot Roderick – ''Wario Land: Shake It!
 * Hotel manager – ''Super Mario Sunshine
 * Howard Stevens – ''The Super Mario Bros. Super Show!
 * Howzit – ''Super Paper Mario
 * Huey – ''Paper Mario: Color Splash
 * Huff N. Puff – ''Paper Mario
 * Hulu – ''Mario Party Advance

I

 * Ice Climbers – ''Super Smash Bros. Melee
 * Icy – ''Mario & Sonic at the Olympic Winter Games
 * Iggy – Super Mario Bros. (film)
 * Iggy Koopa – ''Super Mario Bros. 3
 * Igor – ''Paper Mario
 * Iguanagon – ''Donkey Kong Jungle Beat
 * Ike – ''Super Smash Bros. Brawl
 * Ike – ''The Super Mario Bros. Super Show!
 * Il Piantissimo – ''Super Mario Sunshine
 * Ima no Mario – Super Mario-kun volume 13
 * Imperial Poobah – ''The Super Mario Bros. Super Show!
 * Indiana Joe – ''The Super Mario Bros. Super Show!
 * Inga – ''Super Paper Mario
 * Inka Dinka Doo – Donkey Kong Country (television series)
 * Inspector Gadget – ''The Super Mario Bros. Super Show!
 * Inviso – ''Yoshi's Story
 * Ironsider – ''Wario World
 * Isaac Newton – ''Mario's Time Machine
 * Isabelle – ''Super Smash Bros. for Nintendo 3DS
 * Ishnail – ''Paper Mario: The Thousand-Year Door
 * Isle Delfino Police – ''Super Mario Sunshine
 * Isshī – Super Mario-kun volume 1

J

 * Jabble – ''Paper Mario: The Thousand-Year Door
 * Jack – ''Mario Party Advance
 * Jagger – ''Super Mario RPG: Legend of the Seven Stars
 * Jake the Crusher Fungus – ''The Adventures of Super Mario Bros. 3
 * Jake the Watchman – ''Donkey Kong Goes Home
 * Jamano – ''Wario Land 3
 * James Blond – ''The Super Mario Bros. Super Show!
 * James T. – ''WarioWare: Touched!
 * Jamie T. – ''WarioWare: Touched!
 * Janbi – ''Super Paper Mario
 * Jarvis – ''Luigi's Mansion
 * Jason Bateman – ''Mario Ice Capades
 * Jasperoid – ''Super Paper Mario
 * Jean-Claude Truchet – ''Donkey Kong Planet
 * Jeff Griffeath – ''Mario's Time Machine
 * Jellybob – ''Wario Land 3
 * Jellyfish Sisters – ''Mario & Luigi: Superstar Saga
 * Jerry – ''Paper Mario: The Thousand-Year Door
 * Jerry – ''Mario & Luigi: Bowser's Inside Story
 * Jessica – ''Itadaki Street DS
 * Jet – ''Mario Tennis: Power Tour
 * Jet the Hawk – ''Super Smash Bros. Brawl
 * Jibberjay – ''Super Mario Galaxy 2
 * Jigglypuff – ''Super Smash Bros.
 * Jill Board – ''Super Mario Galaxy
 * Jim Lange – ''The Super Mario Bros. Super Show!
 * Jimmy P. – ''WarioWare: Smooth Moves
 * Jimmy T – ''WarioWare, Inc.: Mega Microgame$!
 * Jimmy's Folks – ''WarioWare: Twisted!
 * Jinx – ''Super Mario RPG: Legend of the Seven Stars
 * Jodie – ''The Super Mario Bros. Super Show!
 * Joan of Arc – ''Mario's Time Machine
 * Joe – ''WarioWare: Twisted!
 * Joe – ''Mario Golf
 * Johann Gutenberg – ''Mario's Time Machine
 * Johnson (Airship crewman) – ''Paper Mario: Color Splash
 * Johnson (X-Naut) – ''Paper Mario: The Thousand-Year Door
 * Johnson – ''Super Paper Mario
 * Jojora – ''Mario & Luigi: Superstar Saga
 * Jojora's friends – ''Mario & Luigi: Superstar Saga
 * Joker – ''Super Smash Bros. Ultimate
 * Jolene – ''Paper Mario: The Thousand-Year Door
 * Joliet – ''The Super Mario Bros. Super Show!
 * Joliet's father – ''The Super Mario Bros. Super Show!
 * Jonathan Jones – ''Super Mario RPG: Legend of the Seven Stars
 * Joseph Haydn – ''Mario's Time Machine
 * Joy – ''Mario Golf
 * Jr. Klap Trap – Donkey Kong Country (television series)
 * Jr. Troopa – ''Paper Mario
 * Juan Sebastian Del Cano – ''Mario's Time Machine
 * Julius Caesar – ''Mario's Time Machine
 * June and Ward – ''The Super Mario Bros. Super Show!
 * Junior (II) – ''Donkey Kong Jr. Math
 * Junior – ''The Adventures of Super Mario Bros. 3
 * Junior's dad – ''The Adventures of Super Mario Bros. 3
 * Junior's mom – ''The Adventures of Super Mario Bros. 3
 * Junior Shrooboid – ''Mario & Luigi: Partners in Time
 * Junker – ''Mario & Luigi: Bowser's Inside Story
 * Junklomp – ''DK: Jungle Climber
 * Juppi – ''Super Paper Mario
 * Justice Toad – ''Paper Mario: Color Splash

K

 * K. Lumsy – ''Donkey Kong 64
 * Kaiju Mario – Super Mario-kun volume 4
 * Kaley – ''Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey
 * Kalmar – ''Paper Mario
 * Kalypso – ''Donkey Kong Barrel Blast
 * Kamek – ''Super Mario World 2: Yoshi's Island
 * Kamek Krew – ''Mario Party Advance
 * Kamella – ''Super Mario Galaxy
 * Kāmenētā – Super Mario-kun volume 5
 * Kammy Koopa – ''Paper Mario
 * Kangaroo – ''Yoshi's Island DS
 * Kanya - Mario + Rabbids Sparks of Hope
 * KAOS – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Kaptain Skurvy – Donkey Kong Country (television series)
 * Karate Kong – ''Donkey Kong Jungle Beat
 * Karla – ''Super Paper Mario
 * Kass – ''Donkey Kong Barrel Blast
 * Kat – ''WarioWare, Inc.: Mega Microgame$!
 * Kate – ''Mario Tennis
 * Katsini – ''Wario's Woods
 * Kazooie – ''Diddy Kong Racing
 * Ken – ''Mobile Golf
 * Ken Masters – ''Super Smash Bros. Ultimate
 * Ken the Reporter – ''WarioWare, Inc.: Mega Microgame$!
 * Kenneth – ''The Super Mario Bros. Super Show!
 * Kent C. Koopa – ''Paper Mario
 * Kerozene – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Kerrie – ''Super Paper Mario
 * Kersti – ''Paper Mario: Sticker Star
 * Kevin – ''Mario Tennis
 * Keyzer – ''Wario Land 4
 * Kid – ''Mario Golf
 * Kid Klown – ''Club Nintendo
 * Kiddy Kong – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Killer Kitty of the Kaskervilles – ''The Super Mario Bros. Super Show!
 * King Bob-omb – ''Super Mario 64
 * King Boo – ''Luigi's Mansion
 * King Boo – ''Super Mario Sunshine
 * King Calamari – ''Super Mario RPG: Legend of the Seven Stars
 * King Croacus I – ''Super Paper Mario
 * King Croacus III – ''Super Paper Mario
 * King Croacus IV – ''Super Paper Mario
 * King Dedede – ''Super Smash Bros. Brawl
 * King Fret – ''Yoshi's Safari
 * King James – ''The Super Mario Bros. Super Show!
 * King K – ''Paper Mario: The Thousand-Year Door
 * King K. Rool – ''Donkey Kong Country
 * King Koopa's great-great grandkoop – ''The Super Mario Bros. Super Show!
 * King Kaliente – ''Super Mario Galaxy
 * King Kut Out – ''Donkey Kong 64
 * King Mackerel – ''The Adventures of Super Mario Bros. 3
 * King Neptune – ''The Super Mario Bros. Super Show!
 * King Nimbus – ''Super Mario RPG: Legend of the Seven Stars
 * King Olly – ''Paper Mario: The Origami King
 * King Sammer – ''Super Paper Mario
 * King Tetris – ''Super Mario Land 2
 * King Totomesu – ''Super Mario Land
 * King Virus – Super Mario-kun volume 4
 * King Watinga – ''Mario Paint
 * King Windbag – ''The Adventures of Super Mario Bros. 3
 * King Zing – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Kings – ''Super Mario Bros. 3
 * Kinoko Sennin – ''Super Mario Bros.: Peach-hime Kyūshutsu Dai Sakusen!
 * Kinoppe – ''Super Mario Kart 1
 * Kip – ''Donkey Kong Barrel Blast
 * Kirby – ''Super Smash Bros.
 * Kiryl – ''Itadaki Street DS
 * Kitty – ''The Adventures of Super Mario Bros. 3
 * KKDU – ''Club Nintendo
 * Klepto – ''Super Mario 64
 * Klevar – ''Paper Mario
 * Klösn – ''Club Nintendo
 * Klump – ''Donkey Kong Barrel Blast
 * Kleever – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Klubba – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Kludge – ''Donkey Kong Barrel Blast
 * Knife Guy – ''Super Mario RPG: Legend of the Seven Stars
 * Know-it-All Toad – ''Paper Mario: Color Splash
 * Knuckles the Echidna – ''Mario & Sonic at the Olympic Games
 * Kolorado – ''Paper Mario
 * Kolorado's father – ''Paper Mario: The Thousand-Year Door
 * Kolorado's wife – ''Paper Mario
 * Kong Family – ''Donkey Kong Country
 * Kong Fu – Donkey Kong Country (television series)
 * Koopa 3 – Super Mario-kun volume 5
 * Koopa General – ''The Super Mario Bros. Movie
 * Koopa Kid – ''Mario Party
 * Koopa Koot – ''Paper Mario
 * Koopa Krag – ''Mario Party DS
 * Koopa Master – ''Mario Party 7
 * Koopa Paratroopa Trio – ''Mario & Luigi: Bowser's Inside Story
 * Koopa Shepherdess – ''Mario Party 7
 * Koopatrol – ''Paper Mario
 * Koopa the Quick – ''Super Mario 64
 * Koopalings – ''Super Mario Bros. 3
 * Kooper – ''Paper Mario
 * Koopie Koo – ''Paper Mario: The Thousand-Year Door
 * The Koopinator – ''Paper Mario: The Thousand-Year Door
 * Koopley – ''Paper Mario: The Thousand-Year Door
 * Koopook – ''Paper Mario: The Thousand-Year Door
 * Koops – ''Paper Mario: The Thousand-Year Door
 * Koover – ''Paper Mario
 * Kopter – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * KP Koopas – ''Paper Mario: The Thousand-Year Door
 * Kreepy Krow – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Kritter – ''Mario Super Sluggers
 * Kroop – ''Paper Mario: The Thousand-Year Door
 * Kroc – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Kroctopus – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Krow – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Krunch – ''Diddy Kong Racing
 * Krusha – Donkey Kong Country (television series)
 * Krushy – ''Donkey Kong Planet
 * Kublai Khan – ''Mario's Time Machine
 * Kudgel – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Kung Fu Koopa – ''Mario Party 7
 * Kuribo – '' Mario & Luigi: Bowser's Inside Story
 * Kuro Neko – ''Wario Land 4
 * Kutlass – Donkey Kong Country (television series)
 * Kuzzle – ''Mario & Luigi: Bowser's Inside Story
 * Kyle – ''Mario Tennis: Power Tour
 * Kylie Koopa – ''Mario & Luigi: Partners in Time
 * Kyodai Togemetto – Super Mario-kun volume 3
 * Kyoko – ''Mario Tennis: Power Tour
 * KYON² – All Night Nippon: Super Mario Bros.

L

 * Lady Bow – ''Paper Mario
 * Lady Lima – ''Mario & Luigi: Superstar Saga
 * Lahla – ''Paper Mario: The Thousand-Year Door
 * Laki – ''Paper Mario: The Thousand-Year Door
 * Lakilester – ''Paper Mario
 * Lakilulu – ''Paper Mario
 * Lakithunder – ''New Super Mario Bros.
 * Lakitu Bros. – ''Super Mario 64
 * Lanky Kong – ''Donkey Kong 64
 * Large Fry – ''Wario Land: Shake It!
 * Larry Koopa – ''Super Mario Bros. 3
 * Larson – ''Paper Mario: The Thousand-Year Door
 * Lava Piranha – ''Paper Mario
 * Ledger – ''Super Paper Mario
 * Lee – ''Paper Mario
 * Legendary captain – ''Paper Mario: Color Splash
 * Lemmy Koopa – ''Super Mario Bros. 3
 * Lena – Super Mario Bros. (film)
 * Leonardo da Vinci – ''Mario's Time Machine
 * Lightfish – ''Donkey Kong 64
 * Lighthouse keeper – ''Paper Mario: Color Splash
 * Li'l Ogre – ''WarioWare: Smooth Moves
 * Lil' Massif – ''Mario & Luigi: Dream Team
 * Lily – ''Paper Mario
 * Lily – ''Super Paper Mario
 * Linda – ''Mario Tennis: Power Tour
 * Link – ''The Super Mario Bros. Super Show!
 * Lisa – ''Mobile Golf
 * Little Mac – ''WarioWare: Smooth Moves
 * Little Mouser – ''Paper Mario
 * Little T. – ''Paper Mario
 * Liz – ''The Super Mario Bros. Super Show!
 * Lizardon – ''Wario's Woods
 * Llama – ''Donkey Kong 64
 * Lord Crump – ''Paper Mario: The Thousand-Year Door
 * Lord Fredrik – ''Donkey Kong Country: Tropical Freeze
 * Lou Albano – ''The Super Mario Bros. Super Show!
 * Louis Pasteur – ''Mario's Time Machine
 * Lubba – ''Super Mario Galaxy 2
 * Lucario – ''Super Smash Bros. Brawl
 * Lucas – ''Super Smash Bros. Brawl
 * Lucina – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Lucky – ''Paper Mario: The Thousand-Year Door
 * Ludwig van Beethoven – ''Mario's Time Machine
 * Ludwig von Koopa – ''Super Mario Bros. 3
 * Luigeena – ''The Super Mario Bros. Super Show!
 * Luigi – Mario Bros. (Game & Watch)
 * Luigi's girlfriend – ''The Super Mario Bros. Super Show!
 * Luigi Kong Chēnji – Super Mario-kun volume 10
 * Lulu – ''Super Mario World
 * Lulu – ''WarioWare Gold
 * Lumalee – ''Super Mario Galaxy
 * Lumpy – ''Paper Mario: The Thousand-Year Door
 * Luvbi – ''Super Paper Mario
 * Lydia – ''Luigi's Mansion
 * Lyle Alzado – ''The Super Mario Bros. Super Show!

M

 * Ma'Mole and Pa'Mole – ''Super Mario RPG: Legend of the Seven Stars
 * Macho Grubba – ''Paper Mario: The Thousand-Year Door
 * Mack – ''Super Mario RPG: Legend of the Seven Stars
 * Mad – ''Wario's Woods
 * Mad Adder – ''Super Mario RPG: Legend of the Seven Stars
 * Mad-Bomber – ''Wario Blast: Featuring Bomberman!
 * Mad Hat Mk. I – ''Wario: Master of Disguise
 * Mad Hat Mk. II – ''Wario: Master of Disguise
 * Mad Hat Mk. III – ''Wario: Master of Disguise
 * Mad Jack – ''Donkey Kong 64
 * Mad Piano – ''Super Mario 64
 * Mad Scienstein – ''Wario Land 3
 * Madam AGoGo – ''The Super Mario Bros. Super Show!
 * Madame Bwahstrella – ''Mario + Rabbids Kingdom Battle
 * Madame Clairvoya – ''Luigi's Mansion
 * Madzilla – ''The Adventures of Super Mario Bros. 3
 * Madzilla's Mom – ''The Adventures of Super Mario Bros. 3
 * Magikoopa Masters – ''Paper Mario: The Thousand-Year Door
 * Magnus von Grapple – ''Paper Mario: The Thousand-Year Door
 * Magnus von Grapple 2.0 – ''Paper Mario: The Thousand-Year Door
 * Mahatma Gandhi – ''Mario's Time Machine
 * Mahgo – ''Club Nintendo
 * Mailtoad – ''Super Mario Galaxy
 * Maitre Delish – ''Paper Mario: The Thousand-Year Door
 * Major Burrows – Super Mario Galaxy
 * Mallow – ''Super Mario RPG: Legend of the Seven Stars
 * Mama Fireplant – ''Super Mario World
 * Mama Kurara – Super Mario-kun volume 11
 * Mama Mario – ''Super Mario Issun-bōshi
 * Mama T. – ''WarioWare: Twisted!
 * Mamar – ''Paper Mario
 * Mametchi – ''Mario Kart Arcade GP 2
 * Manager – ''Super Mario RPG: Legend of the Seven Stars
 * Mangylox – ''Wario's Woods
 * Manta – ''Super Mario 64
 * Maple – ''Mario Golf
 * Marbald – ''Super Paper Mario
 * Marching Milde – ''Super Mario World 2: Yoshi's Island
 * Marco Polo – ''Mario's Time Machine
 * Marianne – ''The Super Mario Bros. Super Show!
 * Marilyn – ''Paper Mario: The Thousand-Year Door
 * Marilyn – ''The Super Mario Bros. Super Show!
 * Mario – ''Donkey Kong
 * Mario – Super Mario Bros. (film)
 * Mario Joe and Luigi Bob – ''The Super Mario Bros. Super Show!
 * Mark – ''Mario Tennis
 * Mark – ''NES Open Tournament Golf
 * Marth – ''Super Smash Bros. Melee
 * Mary O. – ''Super Mario Maker
 * Mary Todd Lincoln – ''Mario's Time Machine
 * Mason – ''Mario Tennis: Power Tour
 * Master Crash – ''Paper Mario: The Thousand-Year Door
 * Master Duff – ''Mario Golf: Super Rush
 * Master Hand – ''Super Smash Bros.
 * Master Lob – ''Mario Golf: Super Rush
 * Master Stinger – ''Mario Golf: Super Rush
 * Master Mantis – ''WarioWare: Smooth Moves
 * Master Necky – ''Donkey Kong Country
 * Master Necky Snr. – ''Donkey Kong Country
 * Master Poet – ''Paper Mario
 * Matchan – All Night Nippon: Super Mario Bros.
 * Maude – ''Paper Mario: The Thousand-Year Door
 * Max Milliplatt – ''Club Nintendo
 * Mayor Dour – ''Paper Mario: The Thousand-Year Door
 * Mayor Fettuccine – ''The Super Mario Bros. Super Show!
 * Mayor Froobnitz – Mario is Missing! (MS-DOS)
 * Mayor of New York City – ''The Adventures of Super Mario Bros. 3
 * Mayor Penguin – ''Paper Mario
 * MC Ballyhoo – ''Mario Party 8
 * McGoomba – ''Paper Mario: The Thousand-Year Door
 * Mean Emcee – ''Wario World
 * Meg – ''Mario Tennis: Power Tour
 * Mega Goomba – ''New Super Mario Bros.
 * Mega Koopa – ''Super Paper Mario
 * Mega Man – ''Club Nintendo
 * Megasmilax – ''Super Mario RPG: Legend of the Seven Stars
 * Mel – ''Mario Tennis: Power Tour
 * Melody Pianissima – ''Luigi's Mansion
 * Mekakuppa – Super Mario-kun volume 2
 * Mekakuribō – ''Super Mario Land
 * Merle – ''Paper Mario
 * Merlee – ''Paper Mario
 * Merlight – ''Super Paper Mario
 * Merlimbis – ''Super Paper Mario
 * Merlon – ''Paper Mario
 * Merloo – ''Super Paper Mario
 * Merlow – ''Paper Mario
 * Merlumina – ''Paper Mario
 * Merluvlee – ''Paper Mario
 * Mermaid – ''Donkey Kong 64
 * Mervin – ''The Super Mario Bros. Super Show!
 * Meta Knight – ''Super Smash Bros. Brawl
 * Metal Luigi – ''Super Smash Bros. Melee
 * Metal Mario – ''Super Smash Bros.
 * Metto Oyakata – Super Mario-kun volume 3
 * Mewtwo – ''Super Smash Bros. Melee
 * Michael Faraday – ''Mario's Time Machine
 * Michelangelo Buonarroti – ''Mario's Time Machine
 * Micki – ''Mario Tennis: Power Tour
 * Microphone – ''Donkey Kong 64
 * Midbus – ''Mario & Luigi: Bowser's Inside Story
 * Midnite – ''Mario + Rabbids Sparks of Hope
 * Mighty Plumber – ''The Adventures of Super Mario Bros. 3
 * Mii – ''WarioWare: Smooth Moves
 * Mikhail S. Gorbachev – ''The Super Mario Bros. Super Show!
 * Mike – ''WarioWare: Touched!
 * Miles "Tails" Prower – ''Mario & Sonic at the Olympic Games
 * Millennium Star – ''Mario Party 3
 * Milli Vanilli – ''The Adventures of Super Mario Bros. 3
 * Mimi – ''Super Paper Mario
 * Minamoto no Yoritomo – ''Mario's Time Machine
 * Mind-Bogglers – ''Paper Mario: The Thousand-Year Door
 * Minh T. – ''Paper Mario
 * Mini Bowser – ''Mini Mario & Friends: amiibo Challenge
 * Mini Bowser Jr. – ''Mini Mario & Friends: amiibo Challenge
 * Mini Diddy Kong – ''Mini Mario & Friends: amiibo Challenge
 * Mini Rosalina – ''Mini Mario & Friends: amiibo Challenge
 * Mini Spek – ''Mini Mario & Friends: amiibo Challenge
 * Mini Yoshi – ''Mini Mario & Friends: amiibo Challenge
 * Mini T. – ''Paper Mario
 * Mini-Yoshi – ''Paper Mario: The Thousand-Year Door
 * Minister – ''Super Mario RPG: Legend of the Seven Stars
 * Minister Crepe – ''Paper Mario: The Thousand-Year Door
 * Minister of Massage – ''Super Mario Adventures
 * Minmei – ''Super Mario Land
 * Min Min – ''Super Smash Bros. Ultimate
 * Minnie – ''Super Paper Mario
 * Minotaur – ''Wario Land: Super Mario Land 3
 * MIPS – ''Super Mario 64
 * Misaki – ''The Super Mario Bros. Super Show!
 * Miss Endless – ''Super Mario Bros.: Peach-hime Kyūshutsu Dai Sakusen!
 * Miss Petunia – ''Luigi's Mansion
 * Miss Persimmon O'Hara – ''Saturday Supercade
 * Misstar – ''Paper Mario
 * Missy – ''The Adventures of Super Mario Bros. 3
 * Mitsy – ''Super Paper Mario
 * Miyuki – All Night Nippon: Super Mario Bros.
 * Mo-Hog – ''Donkey Kong Jungle Beat
 * Mokura – ''Super Mario RPG: Legend of the Seven Stars
 * Moldy – ''The Super Mario Bros. Super Show!
 * Mole Miner Max – ''Donkey Kong Country Returns
 * Moltz the Very Goonie – ''Yoshi's Island DS
 * Momma - Mario + Rabbids Sparks of Hope
 * Mom Piranha – ''Mario & Luigi: Superstar Saga
 * Mona – ''WarioWare, Inc.: Mega Microgame$!
 * Mona – ''Club Nintendo
 * Mona's Bear – ''WarioWare: Smooth Moves
 * Mona's Elephant – ''WarioWare, Inc.: Mega Microgame$!
 * Mona's Monkey – ''WarioWare, Inc.: Mega Microgame$!
 * Mona's Pig – ''WarioWare, Inc.: Mega Microgame$!
 * Monettes – ''WarioWare: Smooth Moves
 * Monstar – ''Paper Mario
 * Monster – ''The Super Mario Bros. Super Show!
 * Monster Flower – ''WarioWare: Smooth Moves
 * Monstermama – ''Super Mario RPG: Legend of the Seven Stars
 * Monty Bros. – ''Mario & Luigi: Bowser's Inside Story
 * Monzo – ''Super Paper Mario
 * Moogle – ''Mario Hoops 3-on-3
 * Mort – ''Super Paper Mario
 * Mort T. – ''Paper Mario
 * Morton Koopa Jr. – ''Super Mario Bros. 3
 * Mother Brain – ''WarioWare, Inc.: Mega Microgame$!
 * Mountain Sage – ''Paper Mario: Color Splash
 * Mother Penguin – ''Super Mario 64
 * Mouser – ''Super Mario Bros. 2
 * Mousersaurus Rex – ''The Super Mario Bros. Super Show!
 * Mousimilian – ''Paper Mario: The Thousand-Year Door
 * Moustafa – ''Paper Mario
 * Mouth of the River – ''The Super Mario Bros. Super Show!
 * Mr. E – ''Mario Party Advance
 * Mr. E – ''Paper Mario
 * Mr. Eraser – ''Super Mario Maker
 * Mr. Game & Watch – ''Super Smash Bros. Melee
 * Mr. Gibbel – ''The Super Mario Bros. Super Show!
 * Mr. Hammer – ''Paper Mario
 * Mr. Hoggle – ''Paper Mario: The Thousand-Year Door
 * Mr. L – ''Super Paper Mario
 * Mr. Levison – ''Valiant Comics
 * Mr. Luggs – ''Luigi's Mansion
 * Mr. Mayor – ''The Super Mario Bros. Super Show!
 * Mr. President – ''The Super Mario Bros. Super Show!
 * Mr. Thwomp – ''Mario & Luigi: Partners in Time
 * Mr. X – ''Saturday Supercade
 * Mrs. Gammliss – ''The Super Mario Bros. Super Show!
 * Mrs. Periwinkle – ''The Super Mario Bros. Super Show!
 * Mrs. President – ''The Adventures of Super Mario Bros. 3
 * Mrs. Shroomlock – ''Mario Party Advance
 * Mrs. Thwomp – ''Mario & Luigi: Partners in Time
 * Ms. Mowz – ''Paper Mario: The Thousand-Year Door
 * Ms. Pac-Man – ''Mario Kart Arcade GP
 * Mssr Boo – ''Wario's Woods
 * Muddy Buddy – ''Super Mario World 2: Yoshi's Island
 * Muddee – ''Wario Land 3
 * Muffy (1F) – ''Super Paper Mario
 * Muffy (2F) – ''Super Paper Mario
 * Mugga – ''The Super Mario Bros. Super Show!
 * Mummipokey – ''New Super Mario Bros.
 * Murphy – ''The Super Mario Bros. Super Show!
 * Mushbert – ''Mario Party Advance
 * Mushroom Boy – ''Super Mario RPG: Legend of the Seven Stars
 * Mushroom Genie – ''Mario Party 2
 * Mushroom Jeanie – ''Mario Party 3
 * Mushroom King – ''Nintendo Comics System
 * Mushroom Marauder – ''The Adventures of Super Mario Bros. 3
 * Mushroom Nanny – ''The Adventures of Super Mario Bros. 3
 * Mushroom Rebel – ''The Super Mario Bros. Super Show!
 * Mushroom Referee – ''The Adventures of Super Mario Bros. 3
 * Mushroom Shop Clerk – ''Mario Party
 * Musical Note – ''Mario Party DS
 * Muskular – ''Paper Mario
 * Muss T. – ''Paper Mario
 * Mustard Café Chef – ''Paper Mario: Color Splash
 * Mutant Ninja Sentai Nokonokoman – Super Mario-kun volume 1
 * Muteki Kyodai Pakkun – Super Mario-kun volume 1
 * Mynx – ''Mario Tennis: Power Tour
 * Mysterious Mine Carts owner – ''Mario & Luigi: Superstar Saga
 * Mythra – ''Super Smash Bros. Ultimate

N

 * Nabbit – ''New Super Mario Bros. U
 * Nan-chan Dōshi – ''Super Mario Land
 * Nana – ''Luigi's Mansion
 * Nankin-kun – ''Super Mario Land
 * Napple – ''Mobile Golf
 * Nastasia – ''Super Paper Mario
 * Naval Piranha – ''Super Mario World 2: Yoshi's Island
 * Neil – ''Mario Golf: Advance Tour
 * Ness – ''Super Smash Bros.
 * Netty – ''Blast Corps in Yoshis Knallkekse
 * Neville – ''Luigi's Mansion
 * Nibbla – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Nicole Eggert – ''The Super Mario Bros. Super Show!
 * Niff T. – ''Paper Mario: The Thousand-Year Door
 * Nina – ''Mario Tennis
 * Nina – ''Super Mario Maker 2
 * Ninja – ''Mario Hoops 3-on-3
 * Ninja Kong – ''Donkey Kong Jungle Beat
 * Nob – ''Paper Mario: The Thousand-Year Door
 * Noki elder – ''Super Mario Sunshine
 * Noki grandson – ''Super Mario Sunshine
 * Nolrem – ''Super Paper Mario
 * Nora – ''Super Paper Mario
 * Noritake – All Night Nippon: Super Mario Bros.
 * Norman – ''The Adventures of Super Mario Bros. 3
 * Nomadimouse – ''Paper Mario
 * Notso – ''Super Paper Mario
 * Novbi – ''Super Paper Mario
 * Numchuck the Monkey – ''WarioWare: Touched!
 * Nutsoglobin – ''Mario & Luigi: Bowser's Inside Story

O

 * O'Chunks – ''Super Paper Mario
 * Oaklie – ''Paper Mario
 * Obi-Wan Toadi – ''The Super Mario Bros. Super Show!
 * Octo – ''Wario Land 3
 * Octoblazooka – ''WarioWare Gold
 * Octopus – ''Octopus
 * Octopus (boss) – ''Super Mario Land 2: 6 Golden Coins
 * Ojīsan and Obāsan – ''Super Mario Momotarō
 * Old Man Skoo – ''Paper Mario: The Thousand-Year Door
 * Old Man Watchitt – ''Super Paper Mario
 * Old Red-Mug – ''Wario World
 * Olivia – ''Paper Mario: The Origami King
 * OM – ''Donkey Kong Planet
 * Onnanoko – ''Wrecking Crew '98
 * Oogtar – ''Super Mario World
 * Orbulon – ''WarioWare, Inc.: Mega Microgame$!
 * Orco – ''Donkey Kong Jungle Beat
 * Ōsama – ''BS Super Mario USA
 * Otto – ''Super Paper Mario
 * Outback mayor – ''The Super Mario Bros. Super Show!
 * Oyazi – ''Wrecking Crew '98

P

 * Pa-Patch – ''Paper Mario: The Thousand-Year Door
 * Pac-Man – ''Mario Kart Arcade GP
 * Pak E. Derm – ''Yoshi's Story
 * Pakkun Mogura – Super Mario-kun volume 9
 * Palutena – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Pam – ''Mario Tennis
 * Pam Matteson – ''The Super Mario Bros. Super Show!
 * Pandorite – ''Super Mario RPG: Legend of the Seven Stars
 * Papa Mario – ''Super Mario Issun-bōshi
 * Papa T. – ''WarioWare: Twisted!
 * Parakarry – ''Paper Mario
 * Park director – ''Super Mario Sunshine
 * Park Street Residents – ''WarioWare: Smooth Moves
 * Parrot – ''Paper Mario: The Thousand-Year Door
 * Parrotor – ''Wario's Woods
 * Parry – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Partrick – ''Super Mario Maker 2
 * Patch – ''Super Paper Mario
 * Patches – ''The Super Mario Bros. Super Show!
 * Patty – ''The Super Mario Bros. Super Show!
 * Patty – ''Saturday Supercade
 * Patty's father – ''The Super Mario Bros. Super Show!
 * Patty's mother – ''The Super Mario Bros. Super Show!
 * Paula – ''Mario Tennis: Power Tour
 * Pauline – ''Donkey Kong
 * Peeka – ''Paper Mario: The Thousand-Year Door
 * Peewee Piranha – ''Super Mario Galaxy 2
 * Penguin – ''Wario Land: Super Mario Land 3
 * Penguin King – ''The Super Mario Bros. Movie
 * Penguin patrol – ''Paper Mario
 * Penguru – ''Super Mario Galaxy
 * Pengwen – ''Mario Party Advance
 * Pennington – ''Paper Mario: The Thousand-Year Door
 * Penny – ''WarioWare: Smooth Moves
 * Pentabros – ''Paper Mario: Color Splash
 * Perry – ''Super Princess Peach
 * Pesce – ''Wario Land 3
 * Petey Piranha – ''Super Mario Sunshine
 * Petuni – ''Paper Mario: The Thousand-Year Door
 * Petunia – ''Paper Mario
 * P-Flower – ''Wario Blast: Featuring Bomberman!
 * Phantamanta – ''Super Mario Sunshine
 * Phantom – ''Mario + Rabbids Kingdom Battle
 * Phil Board – ''Super Mario Galaxy
 * Pi'illoper – ''Mario & Luigi: Dream Team
 * Pianta – ''Super Mario Sunshine
 * Pianta judge – ''Super Mario Sunshine
 * Pianta mayor – ''Super Mario Sunshine
 * Pianta prosecutor – ''Super Mario Sunshine
 * Piccolo – ''Super Paper Mario
 * Pichu – ''Super Smash Bros. Melee
 * Pierre Paul Emile Roux – ''Mario's Time Machine
 * Pikachu – ''Super Smash Bros.
 * Pikmin – '' Super Smash Bros. Brawl
 * Pierre – ''Paper Mario: The Thousand-Year Door
 * Pietro – ''The Super Mario Bros. Super Show!
 * Pine – ''The Super Mario Bros. Super Show!
 * Pine T. Jr. – ''Paper Mario: The Thousand-Year Door
 * Pine T. Sr. – ''Paper Mario: The Thousand-Year Door
 * Pink Gold Peach – ''Mario Kart 8
 * Pipe creatures – ''The Adventures of Super Mario Bros. 3
 * Pipsy – ''Diddy Kong Racing
 * Pipe Master – ''Mario & Luigi: Superstar Saga
 * Piper – ''Paper Mario: Color Splash
 * Pirabbid Plant – ''Mario + Rabbids Kingdom Battle
 * Piranha Bean – ''Mario & Luigi: Superstar Saga
 * Piranha Sue – ''Valiant Comics
 * Pit – ''Super Smash Bros. Brawl
 * Pitta – ''Super Paper Mario
 * Plato – ''Mario's Time Machine
 * Platypunk – ''Itadaki Street DS
 * Plenn T. – ''Paper Mario: The Thousand-Year Door
 * Plessie – ''Super Mario 3D World
 * Plok – ''Club Nintendo
 * Plum – ''Mario Golf
 * Podler – ''Paper Mario: The Thousand-Year Door
 * Podley – ''Paper Mario: The Thousand-Year Door
 * Poker Faces – ''Paper Mario: The Thousand-Year Door
 * Pokey Triplets – ''Paper Mario: The Thousand-Year Door
 * Pola – ''Mario & Sonic at the Olympic Winter Games
 * Polari – ''Super Mario Galaxy
 * Polly Roger – Donkey Kong Country (television series)
 * Pom Pom – ''Super Mario 3D Land
 * Pompy – ''Donkey Kong Country: Tropical Freeze
 * Poobah the Pharaoh – ''Wario: Master of Disguise
 * Poochie – ''The Super Mario Bros. Super Show!
 * Poochy – ''Super Mario World 2: Yoshi's Island
 * Pook – ''Super Paper Mario
 * Pookie – ''Valiant Comics
 * Poopa La Koopa – ''The Super Mario Bros. Super Show!
 * Pop Diva – ''Paper Mario
 * Popple – ''Mario & Luigi: Superstar Saga
 * The Pork Loins – ''WarioWare: Touched!
 * Porcupuffer – ''Mario Pinball Land
 * Porter – ''Paper Mario: The Thousand-Year Door
 * Portrait ghost – ''Luigi's Mansion
 * Posie – ''Paper Mario
 * Powert – ''Mobile Golf
 * Postmaster – ''Paper Mario
 * PR Toad – ''Mario & Luigi: Bowser's Inside Story
 * Princessa – ''Itadaki Street DS
 * Prince Croacus – ''Super Paper Mario
 * Prince Dreambert – ''Mario & Luigi: Dream Team
 * Prince Hugo – ''The Adventures of Super Mario Bros. 3
 * Prince Mush – ''Paper Mario: The Thousand-Year Door
 * Prince Mushroomkhamen – ''The Adventures of Super Mario Bros. 3
 * Prince Peasley – ''Mario & Luigi: Superstar Saga
 * Prince Pine – ''Yoshi's Safari
 * Prince Pompadour – ''The Super Mario Bros. Super Show!
 * Princess – ''Paper Mario: Color Splash
 * Princess – ''Paper Mario: The Origami King
 * Princess Daisy – ''Super Mario Land
 * Princess Daisy – Super Mario Bros. (film)
 * Princess Daisy's father – ''Super Mario Land
 * Princess Eclair – ''Paper Mario: The Thousand-Year Door
 * Princess Lipid – ''Mario & Luigi: Bowser's Inside Story
 * Princess Peach – ''Super Mario Bros.
 * Princess Shokora – ''Wario Land 4
 * Princess Shroob – ''Mario & Luigi: Partners in Time
 * Princess Zelda – ''The Super Mario Bros. Super Show!
 * Priscilla the Peckish – ''Yoshi's Island DS
 * Private Goomp – ''Mario & Luigi: Bowser's Inside Story
 * Private Koopa – ''Super Paper Mario
 * Prof. Kinopio – ''Paper Mario: Color Splash
 * Professor Chops – ''Donkey Kong Country Returns
 * Professor Elvin Gadd – ''Luigi's Mansion
 * Professor Frankly – ''Paper Mario: The Thousand-Year Door
 * Professor Fungi – ''Mario Party 2
 * Pronto – ''The Super Mario Bros. Super Show!
 * Psycho Kamek – ''Mario & Luigi: Superstar Saga
 * Puck – ''Super Paper Mario
 * Puff – ''Mario Party
 * Puftoss – ''Donkey Kong 64
 * Pukupuku – ''Wario Blast: Featuring Bomberman!
 * Punchinello – ''Super Mario RPG: Legend of the Seven Stars
 * Pungent – ''Paper Mario: The Thousand-Year Door
 * Pungry – ''Paper Mario: The Thousand-Year Door
 * Puni elder – ''Paper Mario: The Thousand-Year Door
 * Punio – ''Paper Mario: The Thousand-Year Door
 * Puniper – ''Paper Mario: The Thousand-Year Door
 * Punk Rocks – ''Paper Mario: The Thousand-Year Door
 * Putrid Piranha – ''Paper Mario
 * Putts – ''Mario Golf: Advance Tour
 * Pyoro – ''WarioWare, Inc.: Mega Microgame$!
 * Pyra – ''Super Smash Bros. Ultimate

Q

 * Quawks – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Queen B. – ''Donkey Kong Country
 * Queen Bean – ''Mario & Luigi: Superstar Saga
 * Queen Croacus II – ''Super Paper Mario
 * Queen Elizabeth I – ''Mario's Time Machine
 * Queen Jaydes – ''Super Paper Mario
 * Queen Merelda – ''Wario Land: Shake It!
 * Queen Mushroomkhamen – ''The Adventures of Super Mario Bros. 3
 * Queen Nimbus – ''Super Mario RPG: Legend of the Seven Stars
 * Queen Rotunda – ''The Super Mario Bros. Super Show!

R

 * Rabbid Cranky – ''Mario + Rabbids Kingdom Battle (Donkey Kong Adventure DLC)
 * Rabbid Kong – ''Mario + Rabbids Kingdom Battle
 * Rabbid Luigi – ''Mario + Rabbids Kingdom Battle
 * Rabbid Mario – ''Mario + Rabbids Kingdom Battle
 * Rabbid Peach – ''Mario + Rabbids Kingdom Battle
 * Rabbid Rosalina – ''Mario + Rabbids Sparks of Hope
 * Rabbid Yoshi – ''Mario + Rabbids Kingdom Battle
 * Raini – ''Super Mario RPG: Legend of the Seven Stars
 * Ramenses II – ''Wario: Master of Disguise
 * Rambi – ''Donkey Kong Country
 * Raphael Sanzio – ''Mario's Time Machine
 * Raphael the Raven – ''Super Mario World 2: Yoshi's Island
 * Raspberry – ''Super Mario RPG: Legend of the Seven Stars
 * Ratagator – ''The Super Mario Bros. Super Show!
 * Rattly – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Ratso – ''King Koopa's Kool Kartoons
 * Rawk Hawk – ''Paper Mario: The Thousand-Year Door
 * Ray – ''Super Mario Galaxy
 * Raz – ''Super Mario RPG: Legend of the Seven Stars
 * Razor – ''Wario's Woods
 * Really Gnawty – ''Donkey Kong Country
 * Rebbi – ''Super Paper Mario
 * Red – ''Super Paper Mario
 * Red – ''WarioWare: Touched!
 * Red Goomba – ''Paper Mario
 * Red-Brief J – ''Wario World
 * Red Bob-omb – Super Mario-kun volume 15
 * Red Ninjakoopa – ''Paper Mario
 * Rescue Squad V – ''Paper Mario: Color Splash
 * Resident demon – ''Donkey Kong 64
 * Richard Burbage – ''Mario's Time Machine
 * Richter Belmont – ''Super Smash Bros. Ultimate
 * Ridley – ''Super Smash Bros.
 * Ringo – ''Donkey Kong Jungle Action Special
 * Rip Cheato – ''Paper Mario
 * Rob Stone – ''The Super Mario Bros. Super Show!
 * Robin – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Robirdo – ''Super Mario Advance
 * Robo Mario – ''Mario Kart Arcade GP
 * Robo-Kritter – ''Super Mario Strikers
 * Robo-Mouse – ''Wario Land 3
 * Robot Princess – ''The Adventures of Super Mario Bros. 3
 * R.O.B. – ''Mario Kart DS
 * Rock Paper Wizard – ''Paper Mario: Color Splash
 * Rockman – ''Super Mario World
 * Rocko – ''Paper Mario: The Thousand-Year Door
 * Rollanratl – ''Wario Land: Shake It!
 * Romano – ''The Super Mario Bros. Super Show!
 * Romano's father – ''The Super Mario Bros. Super Show!
 * Rookie – ''Mario & Luigi: Superstar Saga
 * Roger the Potted Ghost – ''Super Mario World 2: Yoshi's Island
 * Rogue-Hog – ''Donkey Kong Jungle Beat
 * Rouge the Bat – ''Mario & Sonic at the Olympic Winter Games
 * Rose Town innkeeper – ''Super Mario RPG: Legend of the Seven Stars
 * Rosie – ''Paper Mario
 * Rosalina – ''Super Mario Galaxy
 * Rowf and Rhuff – ''Paper Mario
 * Rowdy Roddy Piper – ''The Super Mario Bros. Super Show!
 * Roxanne – ''The Super Mario Bros. Super Show!
 * Roy – ''Super Smash Bros. Melee
 * Roy – ''Mario Tennis: Power Tour
 * Roy Koopa – ''Super Mario Bros. 3
 * Royal bus driver – ''Super Mario RPG: Legend of the Seven Stars
 * Royal Cow – ''The Super Mario Bros. Super Show!
 * Royal Parrot – ''The Adventures of Super Mario Bros. 3
 * Royal Society – ''Mario's Time Machine
 * Rozary – ''Mobile Golf
 * Rubber Band – ''Paper Mario: The Origami King
 * Rudy – ''Wario Land 3
 * Russ T. – ''Paper Mario
 * Ryu – ''Super Smash Bros. for Nintendo 3DS / Wii U

S

 * Sacre – ''Super Paper Mario
 * Saffron – ''Super Paper Mario
 * Sal Out – ''WarioWare: Twisted!
 * Salvador Drainotto –''The Super Mario Bros. Super Show!
 * Salvo the Slime – ''Super Mario World 2: Yoshi's Island
 * Sammi – ''Mario Tennis
 * SamSpook – ''Wario's Woods
 * Sammy Rai – ''WarioWare: Touched!
 * Samus Aran – ''Super Mario RPG: Legend of the Seven Stars
 * Sam Shalam – ''The Super Mario Bros. Super Show!
 * Sand Bird – ''Super Mario Sunshine
 * Sandworm – ''Wario World
 * Santa Claus – ''The Super Mario Bros. Super Show!
 * Sarah Barnard – ''Mario's Time Machine
 * Sarissa – ''Wario's Woods
 * Sasha – ''Mario Tennis: Power Tour
 * Sashimie – ''Paper Mario
 * Sass – ''Mario Tennis: Power Tour
 * Sassy Squatch – ''DK: King of Swing
 * Scarlette – ''Paper Mario: The Thousand-Year Door
 * Scissors – ''Paper Mario: The Origami King
 * Scoff – ''Donkey Kong 64
 * Scooter – ''The Super Mario Bros. Super Show!
 * Scratchy the 'Fro Bug – ''WarioWare: Touched!
 * Screamy – ''Paper Mario: The Thousand-Year Door
 * Screech – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Screech – ''Mario + Rabbids Sparks of Hope
 * Scruff Roc – ''Donkey Kong Jungle Beat
 * Sean – ''Mario Tennis
 * Secret Agent N – ''The Super Mario Bros. Super Show!
 * Seizer – ''Wario's Woods
 * Sensei – ''WarioWare: Smooth Moves
 * Señor Mayor – ''The Super Mario Bros. Super Show!
 * Sephiroth – ''Super Smash Bros. Ultimate
 * Sergeant Flutter – ''Super Mario RPG: Legend of the Seven Stars
 * Sergeant Guy – ''Mario & Luigi: Bowser's Inside Story
 * Sergeant Kooperman – ''The Super Mario Bros. Super Show!
 * Servant – ''The Adventures of Super Mario Bros. 3
 * Sewer Guru – ''WarioWare: Touched!
 * Sewer rat – ''Super Mario Land 2: 6 Golden Coins
 * Sgt. Slaughter – ''The Super Mario Bros. Super Show!
 * Shadoo – ''Super Paper Mario
 * Shadow Mario – ''Super Mario Sunshine
 * Shadow Queen – ''Paper Mario: The Thousand-Year Door
 * Shadow Sirens – ''Paper Mario: The Thousand-Year Door
 * Shadow the Dog – ''WarioWare, Inc.: Mega Microgame$!
 * Shadow the Hedgehog – ''Mario & Sonic at the Olympic Games
 * Shake King – ''Wario Land: Shake It!
 * Shawn – ''Mario Tennis: Power Tour
 * Sheik – ''Super Smash Bros. Melee
 * Shellshockers – ''Paper Mario: The Thousand-Year Door
 * Sheri – ''Mario Tennis: Power Tour
 * Sherry – ''Mario Golf
 * Shisai – ''Super Mario Bros.: Peach-hime Kyūshutsu Dai Sakusen!
 * Shivers – ''Luigi's Mansion
 * Shoot – ''Wario Land 3
 * Shop owner – ''Wario Land 4
 * Shūchō no Geruman – ''Super Mario Land 2
 * Shop Manager Iwata – ''WarioWare: Smooth Moves
 * Shabba-Doo – ''The Super Mario Bros. Super Show!
 * Shroob – ''Mario & Luigi: Partners in Time
 * Shrooboid Brat – ''Mario & Luigi: Partners in Time
 * Shroomlock – ''Mario Party Advance
 * Shulk – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Shuriken the Falcon – ''WarioWare: Twisted!
 * Shy Bandit – ''Paper Mario: Color Splash
 * Shy Guy – ''Mario Party 4
 * Shy Guy Well – ''Mario Party 4
 * Shy Squad – ''Paper Mario
 * Sickobratz – ''Club Nintendo
 * Silky – ''Wario Land 3
 * Silver the Hedgehog – ''Super Smash Bros. Brawl
 * Sipsi – ''Super Paper Mario
 * Sir Grodus – ''Paper Mario: The Thousand-Year Door
 * Sir Swoop – ''Paper Mario: The Thousand-Year Door
 * Sir Weston – ''Luigi's Mansion
 * Skeet – ''Super Paper Mario
 * Skeleton Key – ''Mario Party 2
 * Skipper – ''Mario Tennis: Power Tour
 * Skolar – ''Paper Mario
 * Skowl – ''Donkey Kong Country: Tropical Freeze
 * Slammer – ''The Super Mario Bros. Super Show!
 * Slim – ''Super Paper Mario
 * Slim – ''Super Paper Mario
 * Slim Bankshot – ''Luigi's Mansion
 * Slime – ''Itadaki Street DS
 * Sluggy the Unshaven – ''Super Mario World 2: Yoshi's Island
 * Smelter – ''Super Mario RPG: Legend of the Seven Stars
 * Smilax – ''Super Mario RPG: Legend of the Seven Stars
 * Smithy – ''Super Mario RPG: Legend of the Seven Stars
 * Smokey the Dragon – ''Diddy Kong Racing
 * Smookers – ''Nintendo Comics System
 * Smorg – ''Paper Mario: The Thousand-Year Door
 * Snide – ''Donkey Kong 64
 * Snifit Patrol – ''Mario Party 2
 * Snorkel Snake – ''Yoshi's Story
 * Snow King – ''Mario Golf: Super Rush
 * Snow spirits – ''Mario & Sonic at the Olympic Winter Games
 * Solid Snake – ''Super Smash Bros. Brawl
 * Sonic the Hedgehog – ''Mario & Sonic at the Olympic Games
 * Sonny – ''Saturday Supercade
 * Sonny – ''Mario Golf
 * Sophia – ''Mario Tennis: Power Tour
 * Sora – ''Super Smash Bros. Ultimate
 * Soundfrog – ''Super Mario Maker
 * Spangle – ''Mario & Luigi: Superstar Saga
 * Sparky – ''Mario & Sonic at the Olympic Winter Games
 * Spear-Mask – ''Wario Land 4
 * Sphinx – ''Wario: Master of Disguise
 * Sphinx Zō – Super Mario-kun volume 6
 * Spideraticus – ''Wario World
 * Spike – ''Mario Tennis
 * Spike – Super Mario Bros. (film)
 * Spike Storm – ''Paper Mario: The Thousand-Year Door
 * Spiky Joe – ''Paper Mario: The Thousand-Year Door
 * Spiky John – ''Paper Mario
 * Spiky Tom – ''Paper Mario
 * Spindel – ''Super Mario 64
 * Spirit of Cuteness – ''Yoshi Topsy-Turvy
 * Spirit of Fright – ''Yoshi Topsy-Turvy
 * Spirit of Greed – ''Yoshi Topsy-Turvy
 * Spirit of Kindness – ''Yoshi Topsy-Turvy
 * Spirit of Power – ''Yoshi Topsy-Turvy
 * Spirit of Speed – ''Yoshi Topsy-Turvy
 * Spirit Who Loves Surprises – ''Yoshi Topsy-Turvy
 * Spitz – ''WarioWare, Inc.: Mega Microgame$!
 * Spoiled Rotten – ''Wario Land 4
 * Spooky – ''Luigi's Mansion
 * Spooky Speedster – ''Super Mario Galaxy
 * Spore King – ''Mario Party Advance
 * Sprixie Princesses – ''Super Mario 3D World
 * Squiddicus – ''Donkey Kong Country Returns
 * Squawks – ''Donkey Kong Country
 * Squitter – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Squirt – ''Donkey Kong Country 3: Dixie Kong's Double Trouble!
 * Stanley – ''Green House
 * Stanley – ''Paper Mario
 * Stanley the Talking Fish – ''Nintendo Comics System
 * Stapler – ''Paper Mario: The Origami King
 * Star children – ''Yoshi's Island DS
 * Star Spirits – ''Paper Mario
 * Star Temple gate – ''Mario & Luigi: Partners in Time
 * Star World leader – Super Mario-kun volume 5
 * Starfy – ''Mario & Luigi: Superstar Saga
 * Starfish – ''Super Princess Peach
 * Starlow – ''Mario & Luigi: Bowser's Inside Story
 * Starshade Bros. – ''Mario & Luigi: Superstar Saga
 * Steamer – ''Mario Party 2
 * Steve – ''NES Open Tournament Golf
 * Steve – ''Super Smash Bros. Ultimate
 * Steward – ''Luigi's Mansion 3
 * Steward – ''Paper Mario: Sticker Star
 * Stewart – ''Paper Mario: The Thousand-Year Door
 * Stool Pigeon – ''The Super Mario Bros. Super Show!
 * Stock – ''Super Paper Mario
 * Stork – ''Super Mario World 2: Yoshi's Island
 * Stuffwell – ''Mario & Luigi: Partners in Time
 * Stuffy the 64th – ''Wario: Master of Disguise
 * Submarine captain – ''The Adventures of Super Mario Bros. 3
 * Sue Pea – ''Luigi's Mansion
 * Suika Hime – Super Mario-kun volume 1
 * Sullivan - Mario + Rabbids Sparks of Hope
 * Sultan – ''The Adventures of Super Mario Bros. 3
 * Sultan Pasbah – ''The Super Mario Bros. Super Show!
 * Sumbi – ''Super Paper Mario
 * Sumo Kong – ''Donkey Kong Jungle Beat
 * Sun – ''Paper Mario
 * Sundream Stone – ''Yoshi's Crafted World
 * Sunglasses vendor – ''Super Mario Sunshine
 * Sunnycide – ''Mario & Luigi: Partners in Time
 * Sunset Express conductor – ''Paper Mario: Color Splash
 * Super Blooper – ''Paper Mario
 * Super Cool Jake ‐ ''Yoshi's Woolly World: Adventure Guide
 * Super Kong – ''Donkey Kong Country Returns
 * Super Plant – ''The Super Mario Bros. Super Show!
 * Super Team – ''Super Mario Strikers
 * Surfing Kinopio – ''Paper Mario: Color Splash
 * Susanna Ross – ''The Super Mario Bros. Super Show!
 * Sushie – ''Paper Mario
 * Sutakichi – Super Mario-kun volume 5
 * Suu-chan – ''Super Mario Land
 * Sven – ''Wario's Woods
 * Swanky Kong – ''Donkey Kong Country 2: Diddy's Kong Quest
 * Sweetlopek - Mario + Rabbids Sparks of Hope
 * Swiggler – ''Mario & Luigi: Partners in Time
 * Swindell – ''Paper Mario: The Thousand-Year Door
 * Swob – ''Paper Mario: The Thousand-Year Door
 * Sylvia – ''Paper Mario: The Thousand-Year Door
 * Sylvia – ''Mario Tennis: Power Tour

T

 * T.T. – ''Diddy Kong Racing
 * Tabuu – ''Super Smash Bros. Brawl
 * Tad Rock – ''Wario's Woods
 * Taj – ''Diddy Kong Racing
 * Takaaki – All Night Nippon: Super Mario Bros.
 * Takeshi – All Night Nippon: Super Mario Bros.
 * Talking Parrot – ''Mario Party
 * Tamagodon – Super Mario-kun volume 9
 * Tamao – ''Super Mario Land
 * Tammy Treehugger – ''Club Mario
 * Tangerino Grill chef – ''Paper Mario: Color Splash
 * Tap-Tap the Golden – ''Super Mario World 2: Yoshi's Island
 * Tap-Tap the Red Nose – ''Super Mario World 2: Yoshi's Island
 * Tape – ''Paper Mario: The Origami King
 * Tatanga – ''Super Mario Land
 * Tashrooba – ''Mario & Luigi: Partners in Time
 * Tawks – Donkey Kong Country: Tropical Freeze (Nintendo Switch)
 * Tawny Tyler – ''The Super Mario Bros. Super Show!
 * Tayce T. – ''Paper Mario
 * T-Bear – ''Wario Blast: Featuring Bomberman!
 * Tea Party Toads – ''Paper Mario: Color Splash
 * Team Baby Yoshi – Super Mario-kun volume 18
 * TEC-XX – ''Paper Mario: The Thousand-Year Door
 * Ted Bull – ''The Super Mario Bros. Super Show!
 * Terrormisu – ''Wario: Master of Disguise
 * Terry Bogard – ''Super Smash Bros. Ultimate
 * Tetris Tribe – ''Super Mario Land 2
 * TFV Fan Club – ''Mario Party Advance
 * Thak – ''Wario's Woods
 * The Chimp – ''Super Mario Galaxy 2
 * The Creepy Steeple Boo – ''Paper Mario: The Thousand-Year Door
 * The Floating Whirlindas – ''Luigi's Mansion
 * The Fork - Mario + Rabbids Sparks of Hope
 * The InterChet – ''Super Paper Mario
 * The InterNed – ''Super Paper Mario
 * The Master – ''Paper Mario
 * The Old Psychic Lady with the Evil Eye Who Reads Fortunes and Knows Everything Before it Happens – ''The Super Mario Bros. Super Show!
 * Thermidor – Donkey Kong Country (television series)
 * Thomas Edison – ''Mario's Time Machine
 * Thomas Jefferson – ''Mario's Time Machine
 * Thoreau – ''Super Paper Mario
 * Thread – ''Mobile Golf
 * Three hags – ''Super Paper Mario
 * Three Little Pigheads – ''Super Mario Land 2: 6 Golden Coins
 * Thriff T. – ''Paper Mario: The Thousand-Year Door
 * Thudley – ''Super Paper Mario
 * Thugly – ''Donkey Kong Country Returns
 * Thunderbirdo – ''The Super Mario Bros. Super Show!
 * Thunder Cloud – ''Wario Blast: Featuring Bomberman!
 * Thunder Roc – ''Donkey Kong Jungle Beat
 * Thunderhand – ''Mario & Luigi: Superstar Saga
 * Thwomp Bros. – ''Mario & Luigi: Partners in Time
 * Tiara – ''Super Mario Odyssey
 * Tiki Tong – ''Donkey Kong Country Returns
 * Timber – ''Diddy Kong Racing
 * Timber's Parents – ''Diddy Kong Racing
 * Tinga – ''Super Paper Mario
 * Tiny – Mario Golf (Nintendo 64)
 * Tiny Kong – ''Donkey Kong 64
 * Tiny Spinies – ''Paper Mario: The Thousand-Year Door
 * Tippi – ''Super Paper Mario
 * Tiptron – ''Super Paper Mario
 * Tiptron Mk. II – ''Super Paper Mario
 * Tiptup – ''Diddy Kong Racing
 * Toad – ''Super Mario Bros. 2
 * Toad in the Desert – ''Paper Mario
 * Toad's cousin – ''The Adventures of Super Mario Bros. 3
 * Toadbert – ''Mario & Luigi: Partners in Time
 * Toadette – ''Mario Kart: Double Dash!!
 * Toadia – ''Paper Mario: The Thousand-Year Door
 * Toadiko – ''Mario & Luigi: Partners in Time
 * Toadman – ''Super Mario Adventures
 * Toadmaster General – ''Paper Mario: Color Splash
 * Toadofsky – ''Super Mario RPG: Legend of the Seven Stars
 * Toadster – ''Super Mario Adventures
 * Toadsworth – ''Super Mario Sunshine
 * Toadsworth the Younger – ''Mario & Luigi: Partners in Time
 * Toad General – ''The Super Mario Bros. Movie
 * Toad villager – ''Super Mario
 * Toce T. – ''Paper Mario: The Thousand-Year Door
 * Todojewski – ''Club Nintendo
 * Tolielip – ''Paper Mario
 * Tolstar – ''Mario & Luigi: Superstar Saga
 * Tommy Lasagna – ''The Super Mario Bros. Super Show!
 * Tommy Treehugger – ''Club Mario
 * Tony – ''Paper Mario: The Thousand-Year Door
 * Tony – ''NES Open Tournament Golf
 * Toodles – ''Paper Mario: The Thousand-Year Door
 * Toon Link – ''Super Smash Bros. Brawl
 * Top Man – ''Wario Blast: Featuring Bomberman!
 * Topmaniac – ''Super Mario Galaxy
 * Torch Tusk – ''Donkey Kong Jungle Beat
 * Tori – ''Mario Tennis: Power Tour
 * Torque – ''Paper Mario: The Thousand-Year Door
 * Toxic Toad Z – ''Mario Party Advance
 * Toy Monster – ''Donkey Kong 64
 * Trading Event Toad – ''Paper Mario
 * Traveling Sisters 3 – ''Paper Mario: The Thousand-Year Door
 * Treasure-hunting Toad – ''Super Mario RPG: Legend of the Seven Stars
 * Tribe of Ancients – ''Super Paper Mario
 * Tricky the Triceratops – ''Diddy Kong Racing
 * Triplets – ''Super Mario RPG: Legend of the Seven Stars
 * Troff – ''Donkey Kong 64
 * Tryclyde – ''Super Mario Bros. 2
 * Ts'ai Lun – ''Mario's Time Machine
 * Tsūdebiru – ''Yoshi's Safari
 * Tubba Blubba – ''Paper Mario
 * Tubba's Heart – ''Paper Mario
 * Tumble – ''Mario Party 3
 * Turret Tusk – ''Donkey Kong Jungle Beat
 * Tutankoopa – ''Paper Mario
 * Tuxie – ''Super Mario 64
 * Twila – ''Mario Party 6
 * Twink – ''Paper Mario
 * Tyrannosaurus Twins – ''Super Mario World

U

 * Ultra Barrel DK – ''Donkey Kong Barrel Blast
 * Ultra Pukupuku – Super Mario-kun volume 6
 * Uncle amiibo – ''Super Mario Odyssey
 * Uncle Arthur – ''The Super Mario Bros. Movie
 * Uncle Grimmly – ''Luigi's Mansion
 * Uncle Kong – ''Super Donkey Kong 2: Dixie & Diddy Kōryaku Guidebook Kanzenhan
 * Uncle Tony – ''The Super Mario Bros. Movie
 * Underchomp – ''Super Paper Mario
 * Undergrunt Gunner – ''Super Mario Galaxy
 * Undodog – ''Mario Paint
 * Unnamed Worlds A-C human – All Night Nippon: Super Mario Bros.
 * Ura Yoshi – Super Mario-kun volume 2

V

 * Valentina – ''Super Mario RPG: Legend of the Seven Stars
 * Vampa White – ''The Super Mario Bros. Super Show!
 * Vanessa – ''WarioWare: Touched!
 * Vanna T. – ''Paper Mario
 * Vault Guard – ''Super Mario RPG: Legend of the Seven Stars
 * Vector the Crocodile – ''Mario & Sonic at the Olympic Games
 * Very Gnawty – ''Donkey Kong Country
 * Village Leader – ''Paper Mario
 * Villager – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * Vincent Van Gore – ''Luigi's Mansion
 * Vinny – ''Paper Mario: The Thousand-Year Door
 * Violet Passage captain – ''Paper Mario: Color Splash
 * Vivian – ''Paper Mario: The Thousand-Year Door
 * Vizorman – ''Wario Land 4

W

 * Waluigi – ''Mario Tennis
 * Wanda – ''Mario & Wario
 * Waldo the Wizard – ''The Super Mario Bros. Super Show!
 * Walter – ''Super Paper Mario
 * Wario – ''Super Mario Land 2: 6 Golden Coins
 * Wario's father – Super Mario-kun volume 10
 * Wario's mother – Super Mario-kun volume 10
 * Wario Bug – ''WarioWare: Get It Together!
 * Wario-Man – ''WarioWare: Twisted!
 * Wario-men Sakana – Super Mario-kun volume 10
 * Wart – ''Super Mario Bros. 2
 * Watt – ''Paper Mario
 * Webber – ''Wario Land 3
 * Welderberg – ''Super Paper Mario
 * Wendy O. Koopa – ''Super Mario Bros. 3
 * Whacka – ''Paper Mario
 * Whale – ''Paper Mario
 * Whibbi – ''Super Paper Mario
 * Whittle – ''Super Mario Galaxy 2
 * Whisker – ''Mario Tennis: Power Tour
 * Whispy Woods – ''Super Smash Bros.
 * White Mage – ''Mario Hoops 3-on-3
 * White Shy Guy – ''Yoshi's Story
 * Whomp King – ''Super Mario 64
 * Wiggler – ''Super Mario Sunshine
 * Wiggler Family – ''Mario & Luigi: Bowser's Inside Story
 * Wild Sting – ''Donkey Kong Land
 * Wii Fit Trainer – ''Super Smash Bros. for Nintendo 3DS / Wii U
 * William Shakespeare – ''Mario's Time Machine
 * Willy – ''Mario Tennis: Power Tour
 * Wingo – ''Captain Toad: Treasure Tracker
 * Wings of Night – ''Paper Mario: The Thousand-Year Door
 * Winkle – ''Mario & Luigi: Superstar Saga
 * Winky – ''Donkey Kong Country
 * Winnie – ''Super Paper Mario
 * Winter Windster – ''Wario World
 * Wisdurm – ''Mario & Luigi: Bowser's Inside Story
 * Wise Wisterwood – ''Paper Mario
 * Witch – ''Super Mario Land 2: 6 Golden Coins
 * Wizenheimer – ''Super Mario World
 * Wizard King of the West – ''The Adventures of Super Mario Bros. 3
 * Wizpig – ''Diddy Kong Racing
 * Wolf O'Donnell – ''Super Smash Bros. Brawl
 * Wolfenboss – ''Wario Land 3
 * Wolfgang Amadeus Mozart – ''Mario's Time Machine
 * Wonky – ''Paper Mario: The Thousand-Year Door
 * Woodrow - Mario + Rabbids Sparks of Hope
 * Woody – ''Mario Party 2
 * Wooster – ''Nintendo Comics System
 * Worm – ''Donkey Kong 64
 * Wormwould – ''Wario Land 3
 * Wrestling Gorilla – ''Saturday Supercade
 * Wringer – ''Paper Mario: Color Splash
 * Wrinkly Kong – ''Donkey Kong Country 2: Diddy's Kong Quest

X

 * Xananab – ''DK: Jungle Climber

Y

 * Yakkey – ''Paper Mario
 * Yamamura – ''Super Mario Maker
 * Yangus – ''Itadaki Street DS
 * Yaridovich – ''Super Mario RPG: Legend of the Seven Stars
 * Yebbi – ''Super Paper Mario
 * Yellow Ninjakoopa – ''Paper Mario
 * Yellow Toad – ''New Super Mario Bros. Wii
 * Yellow Toad – ''Super Mario Galaxy
 * Yikk – ''Mario & Luigi: Bowser's Inside Story
 * Yokkī – Super Mario-kun volume 7
 * Yoob – ''Mario & Luigi: Partners in Time
 * Yoshi – ''Super Mario World
 * Yoshi Island Spirits – ''Yoshi Topsy-Turvy
 * Young Cricket – ''WarioWare: Smooth Moves
 * Young Link – ''Super Smash Bros. Melee
 * Young McDonald – ''The Super Mario Bros. Super Show!
 * Yukio Sawada – Super Mario-kun volume 1

Z

 * Zangief – ''Club Nintendo
 * Zeekeeper – ''Mario & Luigi: Dream Team
 * Zess T. – ''Paper Mario: The Thousand-Year Door
 * Zero – ''The Super Mario Bros. Super Show!
 * Zip Toad – ''Paper Mario: The Thousand-Year Door
 * Zombone – ''Super Mario RPG: Legend of the Seven Stars

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