frieza was the prince and the emperor of the universe, who controlled his own imperial army and was feared for his ruthlessness and power. He was the descendant of Chilled, the second son of King Cold, the younger brother of Cooler, and the father of Kuriza. Frieza is the catalyst antagonist of the entire franchise, as it is his actions that led to Goku arriving on Earth.
Tags: dragon-ball, dragonballz, obey-frieza
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