Turtle Elder. He and Tsuru-sennin trained under the same master, but they became enemies because Tsuru-sennin was evil and because they fell in love with the same girl. Master Roshi assumed the title as the world's strongest man when he won a Tenkaichi Boudoukai tournament. Later, he trained the Ox-King and Granpa Gohan. Years later, he trained Gokou, Klilyn, and Yamcha. Master Roshi also has an identity as Jackie Chun. Unfortunately, Master Roshi is a perverted man.