Majin Buu, Mighty355 Wikia

Good Buu (魔ま人じんブウ（善ぜん） Majin Bū (Zen), lit. "Demon Person Boo (Good)"), also known mainly as Majin Buu is the result of the Innocent Buu using fission to split into good and evil halves. He would go on to become a member of the Z Fighters and live with Mr. Satan. After the battle against the pure Majin Buu, Buu is referred to as Buu instead of Majin Buu and to the world he becomes Mr. Buu. He'll appear in the Dragon Ball: Marhash Strikes Back.

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