Boo Balloon

From the Super Mario Wiki

A Boo Balloon is a Boo in the shape of a blue balloon in Super Mario World 2: Yoshi's Island. They race about the screen, trying to deal damage to Yoshi. But if hit three times, they will yield coins or the occaisional ! Switch. These enemies are not to be confused to this enemy, Balloon Boo; an enemy who appears in New Super Mario Bros.

Undead

Luigi's Mansion Ghosts

Characters
Neville \| Lydia \| Chauncey \| The Floating Whirlindas \| Shivers \| Melody Pianissima \| Mr. Luggs \| Spooky \| Bogmire \| Biff Atlas \| Miss Petunia \| Nana \| Slim Bankshot \| Henry and Orville \| Madame Clairvoya \| Boolossus \| Uncle Grimmly \| Clockwork Soldiers \| Sue Pea \| Jarvis \| Sir Weston \| Vincent Van Gore \| King Boo \| 50 Boos
Species
Bat \| Blue Blaze \| Blue Mouse \| Blue Twirler \| Bowling Ghost \| Ceiling Surprise \| Flash \| Flying Fish \| Garbage Can Ghost \| Grabbing Ghost Gold Ghost \| Gold Mouse \| Mr. Bones \| Purple Bomber \| Purple Mouse \| Purple Puncher \| Shy Guy \| Spark \| Speedy Spirit \| Temper Terror \| Waiter \| Bogmire Shadow \| Fire Elemental Ghost \| Ice Elemental Ghost \| Trapdoor \| Water Elemental Ghost

Other/Unknown

Species/Characters
???? \| Bink \| Blinky \| Bloat \| Bone Dragon \| Bonechill \| Boneheads \| Bonetail \| Bony Beetle \| Boo \| Bouldergeist \| Caged Ghost \| Captain Skull \| Cortez \| Count Zoltan Dracula \| Cractus \| D-Man \| Dangling Ghost \| Dark Skellobit \| Dark Spiky Skellobit \| Davy Bones \| Doopliss \| Doppel \| Dry Bowser \| Eerie \| Elvis Presley \| Ember \| Exterminator \| Fishbone \| Flightless Skeleton Goonie \| Frankenstein's Monster \| Ghost Barrel \| Ghost Glove \| Ghost Goom \| Ghost Piranha \| Ghost Rider \| Ghost Rope \| Ghosts of Christmas \| Ghost T. \| Ghoul Guy \| Giant Ghost \| Glum Reaper \| Goomba Mummy \| Gooey \| Greaper \| Grim Leecher \| Grindel \| Gusty \| Hector the Reflector \| Hobgoblin \| Honen \| Hoohoo Spirit \| Invisighoul \| Inviso \| Queen Jaydes \| Jean de Fillet \| Kackle \| Kingfin \| Kloak \| Krossbones \| Krow \| Lava Bubble \| Madam Merlar \| Mastadoom \| Merlumina \| Meteor Ghost \| Monsieur Boo \| Mummipokey \| Mummy Guy \| Pandorite \| Phantom Ember \| Phantom Guy \| Phantom Hand \| Pionpi \| Pokey Mummy \| Poobah the Pharaoh \| Queen Mushroomkhamen \| ReDead \| Reacher \| Resident Demon \| Roger the Potted Ghost \| Sarcopha Guy \| Shadow \| Shadow Queen \| Shayde \| Shiisa \| Skeleton Bee \| Skeleton Goonie \| Skellobait \| Skellobit \| Skellobomber \| Skellokey \| Slime Ghost \| Spiky Skellobait \| Spiky Skellobit \| Spindel \| Straw Head \| Support Ghost \| Three Musty Fears \| Tweeter Bat \| Underhand \| Wrinkly Kong \| Zombie Goomba \| Zombone

Boo Characters
Bigger Boo \| Boolossus \| Boos in Luigi's Mansion \| Bootler \| Franky \| Herbert \| Igor \| King Boo \| Lady Bow \| Lahla \| Peeka \| Spooky Speedster \| Stanley \| The Creepy Steeple Boo
Boos
Atomic Boo \| Balloon Boo \| Big Boo \| Big & Little Boo \| Blindfold Boo \| Bomb Boo \| Boo \| Boo Balloon \| Boo Buddy (SMW) \| Boo Buddy (YS) \| Boo Buddy Block \| Boo Buddy Snake \| Boo Guy \| Boo Man Bluff \| Broozer \| Calm Fishin' Boo \| Circling Boo Buddies \| Dark Boo \| Dark Dark Boo \| Disappearing Boo Buddies \| Fishin' Boo \| Li'l Boo \| Mad Big Boo \| Mad Boo \| Red Boo \| Sleepy Boo \| Stretch \| Terekuribo

Yoshi series Enemies
Main Antagonists Baby Bowser \| Bowser \| Kamek
Minor Antagonists Bessie Bass \| Big Bungee Piranha \| Bigger Boo \| Big Guy the Stilted \| Burt the Bashful \| Burt Bros. \| Cloudjin \| Cloud N. Candy \| Don Bongo \| Gilbert \| Hector the Reflector \| Hookbill the Koopa \| Inviso \| Marching Milde \| Moltz the Very Goonie \| Naval Piranha \| Prince Froggy \| Priscilla the Peckish \| Raphael the Raven \| Roger the Potted Ghost \| Salvo the Slime \| Six-Face Sal \| Sluggy the Unshaven \| Tap-Tap the Golden \| Tap-Tap the Red Nose
Enemy Classes Dudim Phreykunoutonthis \| Edibilis Boringus \| Harrassimentia Phlyoverus \| Mostosti Vomitonus \| Projectilia Ritebakatchia \| Ucantia Defeatus
Enemies Aerial Snifit \| Aqua Lakitu \| Bandit \| Barney Bubble \| Bat \| Big Boo \| Biting Bullet Bill \|Blargg \| Blooper \| Blow Hard \| Bone Dragon \| Boo \| Boo Balloon \| Boo Blah \| Boo Guy \| Boo Man Bluff \| Bouncy \| Boss Bass\| Bouncing Bullet Bill \| Bowling Goonie \| Bubble Dayzee \| Bullet Bill \| Bumpty \| Bungee Piranha Plant \| Burt \| Cactus Jack \| Cannibal Guy \| Chomp Shark \| Clawdaddy \| Cloud Drop \| Coin Bandit \| ComBat \| Crabble \| Crazee Dayzee \| Crusher Blargg \| Dangling Ghost \| Debull \| Drop Hard \| Eggo-Dil \| Fat Guy \| Flightless Goonie \| Flightless Skeleton Goonie \| Flopsy Fish \| Fly Guy \| Frog Pirate \| Gabon \| Gargantua Blargg \| Ghost Piranha \| Glide Guy \| Gobblin \| Gooey Goon \| Goomba \| Goonie \| Green Glove \| Grim Leecher \| Grinder \| Grunt \| Gusty \| Hanging Blow Hard \| Hot Lips \| Incoming Chomp \| Invisighoul \| Koopa \| Lakitu \| Lantern Ghost \| Large Milde \| Lava Drop \| Lemon Drop \| Little Mouser \| Little Skull Mouser \| Loch Nestor \| Lunge Fish \| Lure Ghost \| Melon Bug \| Milde \| Mini-Raven \| Mufti Guy \| Needlenose \| Nep-Enut \| Nipper Dandelion \| Nipper Plant \| Parakoopa \| Pirate Guy \| Piro Dangle \| Piscatory Pete \| Podoboo \| Pokey \| Potted Ghost \| Potted Spiked Fun Guy \| Preying Mantas \| Pyro Guy \| Raven \| Rocket Guy \| Seedy Sally \| Short Fuse \| Shy Guy \| Shy Stack \| Skeleton Goonie \| Slime \| Slug \| Slugger \| Spear Guy \| Spike (creature) \| Spike (moving obstacle) \| Spiked Fun Guy \| Spooky \| Spray Fish \| Spring Plant \| Stilt Guy \| Stompin' Chomp \| Stretch \| Tap-Tap \| Thunder Lakitu \| Tube Guy \| Very Goonie \| Wall Lakitu \| Whirly Fly Guy \| Wild Piranha \| Wild Ptooie Piranha \| Windbag \| Woozy Guy \| Zeus Guy (Bandit) \| Zeus Guy (Snifit)