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Mattermouth artwork
First appearance Super Mario Galaxy 2 (2010)
Latest appearance Mario Party: Island Tour (2013)

Mattermouths are enemies that first appear in the game Super Mario Galaxy 2. They resemble the skulls of Dry Bones as well as Bone Dragons. Its name appears to be a pun on "motormouth," and references dark matter.


Super Mario Galaxy 2[edit]

Mattermouths in Super Mario Galaxy 2.

In Super Mario Galaxy 2, Mattermouths are found in places such as the Haunty Halls Galaxy and Bowser's Lava Lair and eat away part of the ground, which regenerates after a few seconds. If Mario falls into the holes in the ground created by the Mattermouths, he will lose a life. Mario cannot destroy them, but he can stop them temporarily by stomping on their heads, which will turn them around and cause them to begin eating the ground in the opposite direction. If Mario is attacked by one of these enemies, he will lose one wedge of his Health Meter.

Mario Party: Island Tour[edit]

Mattermouths as seen in Mario Party: Island Tour.

Mattermouths reappear in Mario Party: Island Tour in the minigame Tragic Carpet Ride. Here they eat up the carpet that the players are standing on while the players try not to fall.

Names in other languages[edit]

Language Name Meaning
Japanese Baku Baku[1]
Japanese onomatopoeia for chomping sound

Japanese onomatopoeia for eating or gobbling rapidly
French Décophage From découper (to cut up) and phagos (ancient Greek for eater)
German Vakuumtrocken Dry as a Vacuum
Italian Gnammo From the onomatopoeia "gnam" (yum)
Korean 아귀아귀
Agwe Agwe
From "아귀" (Monkfish)
Russian Скелетопасть
From скелет skelet (skeleton) and пасть past' (jaw)
Spanish Mascasuelo From masca (chew) and suelo (floor)


  • In the files for Super Mario Galaxy 2, they are known as "BakuBaku", which may mean that they were initially based on Cheep Chomp.[1] Additionally, within the game's "ObjNameTable" file, there is a removed "BossBakuBaku" entry, suggesting that there was originally going to be a boss version.[2]


  1. ^ a b Super Mario Galaxy 2 internal filename (BakuBaku)
  2. ^ List of unused Super Mario Galaxy 2 entries in "ObjNameTable"