Roshi (film character)
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
Roshi (かめ せんにん, Kame Sen'nin) is the mentor of Goku.
Roshi appeared in Dragonball: Evolution. He was the former student of Sifu Norris, the martial artist responsible for sealing Lord Piccolo away for centuries. He accepted Goku as his pupil, but not before going on a quest to find the seven Promethium Orbs before Lord Piccolo could find them. Goku accidentally killed him while transformed as Oozaru. He was wished back to life, however, with the Promethium Orbs.
 Video games
Roshi appeared in Dragonball: Evolution.