Kakarot

The alternate version of Goku. This is who Goku would have become if he had not hit his head as a child. He would of annhilated every human being on earth then wait for Vegeta, Raditz, and Nappa to retrieve him for the rebel against Frieza, because of the destruction of their planet. Although his story is not told, he somehow has the ability to transform into a Super Saiyan.