Dr. Raichi is the only survivor of the ''Tsufurujin'' (Tuffles in the FUNimation dub), a race that once lived on Planet Plant, before the coming of the Saiyajin (Saiyans in the English dubs). The Saiyajin not only massacred the entire Tsufurujin race, but also stole their technology and conquered the planet, renaming it Vegeta in honor of their king. Raichi managed to escape with a capsule and found refuge on a nearby planet in a galaxy with no light, the Dark Planet. His only wish is to eradicate the last remaining Saiyans. To do this, Dr. Raichi puts devices on the planet that destroy all life. When Mr. Popo finds out that only a few hours are left, Goku, Gohan, Vegeta, Trunks, and Piccolo rush to destroy the evil devices. They manage to destroy all but one. Suddenly, Freeza, Coola, Tullece and Lord Slug appear and they engage the heroes in a fight (Goku VS Coola, Trunks VS Freeza, Gohan VS Tullece and Piccolo VS Lord Slug). It was revealed by North Kaio that the villains were ghost warriors, and would continually come back to life when slain, unless they were defeated in the same way they were originally killed. The heroes track down Dr. Raichi to the Dark Planet and engage [ - ]

Dr. Raichi is the only survivor of the ''Tsufurujin'' (Tuffles in the FUNimation dub), a race... [ + ]