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First AppearanceLocoRoco Cocoreccho! (debut)

LocoRoco 2 (main appearance)

GenderUnknown; presumably male
SpeciesFormer MuiMui
Favorite ZoneUnknown
Theme SongBuiBui
Voiced ByKemmei Adachi

The BuiBui are the evil version of the MuiMui. they first appeared in the LocoRoco Cocoreccho! minigames.[1]

They made a major role and appearance in LocoRoco 2 when Majoliné kisses a MuiMui, causing it to become red and to develop their new attributes. They act in servitude to the Moja, an example being when they help Majolinè revive Bonmucho and then help him fight the LocoRocos.


BuiBui are similar to MuiMui except they are crimson in color and they have only one hair. The BuiBui's red body color symbolizes their misbehavior.


They enjoy pranking, malevolent experiments and causing trouble especially when it involves the suffering of the LocoRocos. BuiBuis can occasionally stir up trouble in some levels, riding in airships. BuiBuis also do help bring Bonmucho back after bumping his head in the first battle by bringing him back to Majoliné for revival.


LocoRoco 2

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Like the MuiMui, the BuiBui have their own theme song called 'BuiBui' which is played as BGM for the BuiBui Fort stages. In LocoRoco 2, they exclusively sing their theme song when playing in BuiBui Fort. They can be heard singing when LocoRocos reach level 10 in a world. They also sing a version of 'Moja Song' which is played during the Mutated Bonmucho battle. In LocoRoco Midnight Carnival , they also sing the main theme song of the game. They sing a new version of the stage background songs (with the exception of 'Dadhi Dado Da' from Franzea and 'Uwauwau'). They also sing in place of the MuiMui in MuiMui Crane, which becomes BuiBui Crane, Loco Rider which becomes Loco Ball, Loco Race which is played in Bonus games and the Practice Area. And even the MuiMui Song which is played at the BuiBui Shop.


To avoid the BuiBui's bombs, simply move constantly. Get as close as possible to their ship on the ground, then jump up and hit the ship until it explodes.



Intro. in LocoRoco

MuiMuiChuppaNyokkiPickoryKoonaHohohKelakeraUnphookGamumuhtDomingoSir SunLady MoonCocoreccho

Intro. in LocoRoco 2
OlmeeDoonga DoongaAfro NyokkiGnuphikPurillaMofleeMootohnHippoliBolatchio and PutchiKakalonéFunguropaDonchargo

Intro. in LocoRoco


Intro. in LocoRoco 2