Fat Boo/Evil Boo/Kid Boo/Super Boo (called Big League Chew and Justin by Puddin)/Buff Boo/Majin Boo/Good Boo/Mr. Boo is an antagonist and then later a protagonist in Dragon Ball Z's Majin Boo Saga.
In the AnimeEdit
In the anime, Boo is a creature as old as time itself that is summoned and controlled by Bobidi and then Babidi. He diligently serves Babidi by destroying whomever or whatever is in Babidi's way.
In Dragon Ball Z AbridgedEdit
So far, Boo has not officially appeared in the Abridged series. He was referenced during Bardock: Father of Goku, during Bardock's final flash forward in which he sees his son fighting a 'weird bug-man' (Cell) and a fat pink man-child (Boo) We all really wish they would. <3