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This article is about the species Mouser. For information about the character from The Super Mario Bros. Super Show! and Nintendo Comics System, see Mouser (The Super Mario Bros. Super Show!). For the character from Mario Party Advance, see Mouser (Mario Party Advance).
Not to be confused with Meowser.
A Mouser
First Appearance Super Mario Bros. 2 (1988)
Yume Kōjō: Doki Doki Panic (1987)
Latest Appearance NES Remix 2 (2014)
Mousersaurus Rex
Related Species
Little Mouser
Notable Members

“Here, have some bombs!”
Mouser, Super Mario Advance

Mousers are large, humanoid mice who wear sunglasses, gloves and boots; they are a resident species of Subcon, the land of dreams. Not much is revealed about Mousers, though it is mentioned that they are somewhat vain and utilize their bombs to destroy good dreams. A relative of the Mousers are Little Mousers, which what seem to be small versions of Mousers, but derived from their Japanese name, are completely different.


Yume Kōjō: Doki Doki Panic[edit]

Mousers made their debut in Yume Kōjō: Doki Doki Panic. Mousers helped their king, Wart, to invade the secret world of a storybook with their bombs. Three Mousers are found in World 1-3, World 3-3 and World 5-3, with a powerful white Mouser exclusively appearing in the latter level.

Super Mario series[edit]

Super Mario Bros. 2[edit]


In Super Mario Bros. 2, two Mousers appear as bosses, one in World 1-3 and the other in World 3-3. The one in World 5-3 of Yume Kōjō: Doki Doki Panic was deemed too difficult, and was replaced by Clawgrip. In battle, Mousers throw bombs at the player, which will explode after a short amount of time. In order to injure a Mouser, players need to grab one of these bombs and throw them back at the Mouser so that it explodes near the creature; doing this several times will defeat them. Both Mousers are slightly different in color, and the second takes more hits than the first. In Super Mario Advance, a new boss, Robirdo, took his place in the third world and Mouser replaced Tryclyde as the boss of World 6. Tryclyde remained the boss of World 2.

BS Super Mario USA[edit]

Ratso BS SuperMario.png

In BS Super Mario USA, Mouser, Birdo and Wart have returned to Subcon to invade it again. Mouser is found in World 1-3 as the main boss of the world. He is no different than the predecessor. However, like Wart and Birdos, he could cast his own magic spell; such as turning enemies and objects into bombs, throwing giant bombs out of nowhere.

The Super Mario Bros. Super Show![edit]

In The Super Mario Bros. Super Show!, a single Mouser, only ever identified by the name Mouser, appears as a member of the Koopa Pack and as the second-in-command of King Koopa.

Nintendo Comics System[edit]

In Nintendo Comics System, Mousers make some appearances, though in the comics they are renamed Mice, with the name Mouser being applied to a single member of the species.

"A Mouser in the Houser"[edit]

In the Nintendo Comics System issue "A Mouser in the Houser", it is revealed that the Mice once had a prosperous society, having dug the Transport Tube system and hidden all the treasures they found in it. Eventually, the society of the Mice began to crumble when their king, Mouser, abandoned them and joined the forces of King Bowser Koopa.

In the aforementioned comic "A Mouser in the Houser", several Mice abduct Princess Toadstool after she becomes lost in the Transport Tube system. After kidnapping the princess, the Mice reveal their origin to her and offer her the position of their queen, saying that if she agreed to this proposal, she could have a map of the Transport Tube system, as well as dozens of ready troops to help her defeat Bowser. Princess Toadstool eventually rejects the offer of becoming queen of the Mice when they refuse to help her aid Mario, who was being attacked by Mouser.

"The Buddy System"[edit]

In a later issue of Nintendo Comics System entitled "The Buddy System", a large group of Mice appear to capture Mario and Bowser when the two become lost in the Transport Tube system. Shackling Mario and Bowser together, these Mice interrogate them and learn that Bowser had planned on flooding the Transport Tube system by blowing up the main water valve of it. Deciding to aid Bowser in his plot of destroying the Transport Tube system, this group of Mice use bombs to blow up the main water valve, which causes a large amount of water to flow through the Transport Tube system and wash them away.

"Bedtime for Drain-Head"[edit]

Though several Mice appear on the alternate cover of another Nintendo Comics System comic entitled "Bedtime for Drain-Head", no Mice actually appear in the story.

Super Smash Bros. Brawl[edit]

Mouser makes an appearance as a Sticker in Super Smash Bros. Brawl.


Names in other languages[edit]

Language Name Meaning
Japanese ドン・チュルゲ
Don Churuge


  • In Mario Party Advance, a Squeak named Mouser appears; despite being called Mouser, Mouser has only a minor resemblance to an actual Mouser.
  • In Mario & Luigi: Bowser's Inside Story, after Bowser gets to his old castle which was taken over by Fawful and renamed Fawful's Theater, a Shy Guy says "This castle... it had a name... long ago... Browser's Castle? Mouser's Castle? Wowser?"
  • In the Star Fox comic "Farewell, Beloved Falco", a mouse resembling Mouser is a member of the Hot Rodders gang.
  • There are some unused sprites in Super Mario Advance of what appears to be an unknown mouse enemy, indicating that he started out as a regular enemy type before undergoing a transformation, much like Fryguy and Clawgrip.[1]


  1. ^ [1] (accessed October 25, 2013)