Former Gotham City district attorney Harvey Dent became the villainous Two-Face after being attacked with acid by mobster Sal Maroni. The disfigurement caused his already fragile sanity to break in half and give rise to his split personality.
Tags: rogues-gallery, horror, supervillain, superhero, dc-comics
Good Buu (魔人ブウ：善; Majin Bū 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.
Tags: evil-buu, dragon-ball, mr-buu, fat-buu, maiin-buu