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Wart Artwork - Super Mario Bros 2.png
Wart, as he appears in Super Mario Bros. 2.
Full Name King Wart
Species Frog
First Appearance Super Mario Bros. 2 (Mario series appearance) (1988)
Yume Kōjō: Doki Doki Panic (first appearance) (1987)
Latest Appearance Ultimate NES Remix (2014)
Latest Portrayal Charles Martinet (2001)

“I am the great Wart! Ha ha ha!!”
Wart, Super Mario Advance

Wart (known in Japan and in The Legend of Zelda: Link's Awakening as Mamu) is an anthropomorphic frog king and the main antagonist of Super Mario Bros. 2. He is the leader of his troop known as the 8 bits and his major appearances all center around his efforts to conquer Subcon, a land of dreams. Wart's information in the game's instruction booklet says, "He is the most mischievous of all in the world of dreams. He created monsters by playing with the dream machine." To attack, Wart can spit streams of bubbles or jets of water; he can also use magic and put curses on people.


Yume Kōjō: Doki Doki Panic[edit]

The monkey Rūsa watches in horror as Mamu reaches his hand through the storybook to kidnap the two children Piki and Poki in Yume Kōjō: Doki Doki Panic.
Mamu's early artwork in Yume Kōjō: Doki Doki Panic.

In Yume Kōjō: Doki Doki Panic, Mamu's true origins lie in the Tale of the Dream World of Muu. In the original storyline, Mamu had taken control of the Muu people's Dream Machine, turning it into a Nightmare Machine that produced monsters and mayhem. However, the Muu people knew of his weakness to vegetables and used them to force a surrender, bringing peace back to the Dream World.

In the "real" world, the green-dressed monkey Rūsa gives the storybook to the twins Poki and Piki. Towards the end of the book, the twins quarrel and tear out the final page of the story, thus erasing the book's ending. Freed, Mamu pulls through the pages of the storybook and kidnaps the two children, fulfilling his dream of conquering Muu. The two kids pleaded for help, and Rūsa hurries away, soon coming across an Arabian family, which consists of Papa, Mama and their son and daughter, Imajin and Lina. After being informed of the situation, the Arabian family jumps through the storybook and embarks on a journey to save the two children and free Muu from Mamu's reign.

After all of his army and leaders have been defeated by the Arabian family, Mamu himself engages them in battle in the castle. Mamu can spit five bubbles at the four heroes and can destroy the vegetable projectiles produced by the machine of his room. Conventional attack methods are ineffective against the tyrannical amphibian. The Arabian family has to throw vegetables in his mouth when it's open, defeating him after four hits. After Mamu's defeat, the inhabitants are saved, completing the story. The two kidnapped children are rescued from their cages and return with the Arabian family back to their world, where the game ends.

Super Mario series[edit]

Super Mario Bros. 2[edit]

Toad battling Wart in Super Mario Bros. 2.
Wart looking worried in Super Mario Bros. 2.

Because the original Super Mario Bros. 2 was considered too difficult for North American audiences, Nintendo remade Doki Doki Panic into a Mario game and released it as Super Mario Bros. 2 outside of Japan. Muu was changed to "Subcon" and Mamu's name was changed to "Wart" for English-speaking audience. When the international version of Super Mario Bros. 2 was released in Japan as Super Mario USA, the original name of "Mamu" was used for Wart, although the name "Subcon" was retained along with all the plot elements the were changed when the game was originally converted from Doki Doki Panic to a Mario title.

Like in Doki Doki Panic, in Super Mario Bros. 2, Wart uses the hijacked Dream Machine and his army (known as the 8 bits) to conquer Subcon. The plot about the storyline is removed, however, and Wart is simply left undefeated. Instead of fighting him, the native fairies of Subcon (themselves called Subcons) make contact with Mario through one of his dreams, pleading for him to save them and telling him about Wart's weakness distaste for Vegetables. Mario initially dismisses the message as a regular dream, but the next day he, Luigi, Toad, and Princess Toadstool discover a door to Subcon and decide to save the dream world from Wart.

Mario and his friends proceed to defeat Wart's 8 bits and the leaders, Tryclyde, Mouser, various Birdos (including Birdo herself), Fryguy and Clawgrip. They then confront Wart in his castle, and like the heroes of Doki Doki Panic, use vegetables ejected by the Nightmare Machine to defeat Wart. In this game, Wart must be forced to swallow six vegetables to be defeated, but other than that, his attacks and abilities are the same as in Doki Doki Panic. After his defeat, Wart is seen one last time during the victory celebrations, being crowd-surfed across the screen by the now-freed Subcons. As he disappears off the screen, swirls and stars appear, implying that they serve him another beat-down for his actions.

After the victory celebrations, Mario wakes up in his bed and is left to ponder if the events that transpired really happened or if they are no more than products of a dream, then continue sleeping.

Super Mario Advance[edit]

In Super Mario Advance, the remake of Super Mario Bros. 2, Wart is given dialogue, spoken by Charles Martinet, who also voices Mario, Luigi and Wario, with Wart's voice bearing resemblance to the latter. In this game, Wart spoke clear sentences such as, "I am the great Wart!" and "Ah, ribbit!". His army is also given an additional leader, Robirdo, however the rest of the plot remains unchanged. Another minor difference is that after he is defeated, Wart's body becomes intangible to the player, unlike in the original Super Mario Bros. 2 (and its port in Super Mario All-Stars), wherein the players are dealt damage if they touch his defeated body.

BS Super Mario USA[edit]

Wart fighting Toad in BS Super Mario USA.

Wart once again appears in all four "Power Challenge" installments of BS Super Mario USA for Satellaview. BS Super Mario USA is a follow up to Super Mario Bros. 2 / Super Mario USA. In this game, it is shown that the events of the first game actually happened, and were not simply dreamt up by Mario. It also explains that after his defeat, Wart and his crew escaped to another dream and laid low for a while[citation needed], eventually returning and attacking Subcon once more, forcing its rightful king into hiding and moving him to summon Mario, Luigi, Toad and Princess Toadstool once more, thus setting off the events of BS Super Mario USA. This time, Wart also steals the golden statues that had been placed around the land as thanks for Mario's previous rescue.

Wart can be found in every vase in Subspace, where his room is actually identical to that of the final room of Subcon's Castle (World 7-2) from Super Mario Bros. 2. He possesses the same attacks and is defeated the same way as in his earlier appearances. Like Mouser and Birdo, his portrait will periodically appear on the screen as he casts randomly a spell on Mario. This could be stopped only when Princess Toadstool aggressively interrupts it. Like all the major characters in this version, he is voiced, though due to its broadcast nature very little of the dialog is known. After his defeat, Subcon vanishes and Wart is not heard from again.

Nintendo Comics System[edit]

"Cloud Nine"[edit]

Wart as he appears in the Nintendo Comics System comic "Cloud Nine".

Wart made an appearance in the Nintendo Comics System issue Cloud Nine. In the comic Wart, disguised as a bed salesman, abducts King Toadstool and also tries to flood the Mushroom Kingdom. Notably in this story, Mario mentions Wart had abducted the king on at least one previous occasion. Wart looked more like a crocodile than a frog in the comic.

"Duh Stoopid Bomb!"[edit]

Wart was also briefly mentioned in a later Nintendo Comics System story entitled Duh Stoopid Bomb!, where his name is seen on Wooster's list of people who think King Toadstool is dumb.

"Tanooki Suits Me"[edit]

Wart and Bowser in "Tanooki Suits Me".

Wart eventually reappears in the comics in the story Tanooki Suits Me, in which Bowser plans to sell him pieces of artwork that he had stolen from the Mushroom Castle's Royal Art Gallery for a huge profit. However, a disguised Mario is stolen along with the artwork and, upon discovering Bowser's plot, manages to fool Wart into believing that the artwork is nothing more than worthless droplets of the Apook Corporation. By comparison to Cloud Nine, in this story, Wart bears a better resemblance to his official artwork appearance. Wart also appears to have some resemblance to a crocodile/alligator.

Nintendo Adventure Books[edit]

“Right here in the Land of Outrageous Dreams. It's a most excellent dream, Dude. Far superior to that conquer-the-world stuff. Now I dream of skating the most radical inclines possible. That short fungus doctor dude helped me turn Subcon into this raucous skate park. Gnarly, don't you agree?”
Wart, Doors to Doom

Wart made an appearance in the Nintendo Adventure Books book Doors to Doom. Dr. Sporis Von Fungenstein had convinced him to convert the denizens of Subcon into surfers, and when the Mario Brothers meet Wart, he is friendly and playing a Game Boy. He tries to trade a garage door opener for one of their hats.

In the later book Dinosaur Dilemma, Wart has a cameo as one of the guests invited to the party Bowser is holding at his Dinosaur Island Castle, in honor of being chosen as the recipient of that year's Snowbell Prize. The text introduces Wart as "the king of the Land of Nightmares".

Club Nintendo[edit]

Wart is the protagonist in the Club Nintendo comic "Wart steht unter Strom," in which he plays Game Boy and got involved in a fight with Mario due to him simply throwing the batteries of his Game Boy away. Wart looked just like a smaller version of Bowser in this comic. This may be considered as a mistake, since later appearances of him in the magazine refer to him as Bowser.

Other appearances, cameos and references[edit]

Wart was mentioned in Shy Guy's biography in Mario Superstar Baseball, but Wart himself did not appear in the game. He was also referenced in Super Smash Bros. Brawl, in that "Wart" was one of the randomly generated names offered to players.

In Super Paper Mario, Wart is featured in a product that Francis owns and wants more of called Cyborg Wart. It is said that he is the protagonist of that comic book.

The Legend of Zelda: Link's Awakening[edit]

“Everybody knows me!”
Mamu, The Legend of Zelda: Link's Awakening

LinkAwakening Mamu Shamu.png

Wart made an appearance in the game The Legend of Zelda: Link's Awakening, under his Japanese name, Mamu. He lives in a pond beneath the Signpost Maze on Koholint Island, which, like Subcon, is a dream land. However, unlike in the Mario game, Wart is not an antagonist in Link's Awakening, and actually helps the hero, Link, by teaching him a song on the ocarina, the "Frog's Song of Soul", for which Link pays him 300 Rupees. After teaching Link the song, Wart is not seen again.

Personal information[edit]

Physical description[edit]

Wart is a large, green frog with a big white round belly, a vaguely crocodile/alligator snout filled with large white teeth, and large claws on his two-toed feet and four-fingered hands. Some comics depict him with scales and even a spiked tail, similar to Bowser and unlike real frogs. He is typically depicted as wearing a blue cape (Though in Super Mario All-Stars his sprite consists of the cape being light brown, possibly due to limitations with the SNES Console), he also wears a crown, a large pendant on a gold necklace and gold bracelets. Bowser's appearance in the DiC cartoons is a composite of both his and Wart's game designs.


Very little of his personality has been revealed beyond the fact that he is bad and is willing to cause mayhem and destruction in order to achieve his goal of ruling Subcon. However, BS Super Mario USA does suggest that he is cunning and patient enough to bide his time between attacks, and the fact that he stole all the Mario statues may indicate a spiteful side to his personality.


For this subject's image gallery, see Gallery:Wart.

Video game appearances[edit]

Title Description Release date System/format
Yume Kōjō: Doki Doki Panic Boss 1987 Famicom
Super Mario Bros. 2 Boss 1988 NES
The Legend of Zelda: Link's Awakening Non-playble character (uses Japanese name Mamu) 1993 Game Boy
Super Mario All-Stars Boss in Super Mario Bros. 2 remake 1993 SNES
Super Mario All-Stars + Super Mario World Boss in Super Mario Bros. 2 remake 1994 SNES
The Legend of Zelda: Link's Awakening DX Non-playable character (uses Japanese name Mamu) 1998 Game Boy Color
Super Mario Advance Boss 2001 Game Boy Advance
Super Mario All-Stars Limited Edition Boss in Super Mario Bros 2. remake 2010 Wii

Names in other languages[edit]

Language Name Meaning
Japanese マムー
From 魔(demon) and 夢(dream); also based on 夢魔 meaning nightmare.
French Wart -
German Wart -


Wart Jr. as seen in Animal Crossing: Wild World.