Kaio-sama
Kaio-sama (界かい王おう様さま Kaiō-sama, lit. "King of the Worlds"), or North Kai (北きたの界かい王おう Kita no Kaiō, lit. "Northern King of the Worlds"), is the king of the North Area of Universe 7. He is Goku's martial arts teacher and mentor. He later taught Krillin, Yamcha, Tien Shinhan, Piccolo, and Chiaotzu.
Race : Shinjin