King Kai

King Kai (界王) is a supporting main character in the Dragon Ball manga and the anime Dragon Ball Z and Dragon Ball GT. He is a deity, the ruler of the North Galaxy, and Son Goku's final martial arts teacher, and later mentor. He also taught Yamcha, Tien, Chaozu and Piccolo. In the Japanese version, Goku calls King Kai "Kaio-sama".

Voice Actors
all information on King Kai came from http://dragonball.wikia.com/wiki/King_Kai
 * Japanese : Jōji Yanami (1989 - Present)
 * English : Sean Schemmel (1996 - Present)