Evil Kid Buu

Goku fights Majin Buu and begins to lose. Buu is about to kill Goku when Vegeta awakens and rips down the good Buu from inside of the Super Buu. Super Buu's body violently changes once again. As Goku and Vegeta escape with Gohan, Piccolo, Trunks, and Goten. They escape as Buu transforms into a smaller form of his original, evil self.