Goku
Goku the hero of Dragon Ball and Dragon Ball Z. He first battles Piccolo in DB, then he teams up with him in DBZ. Well in Dragon Ball Z Goku meets his evil brother Raddiz. Then Goku and Piccolo formed an allyance to defeat Raddiz. Later on Piccolo and Goku battle against the universes greatest evil named Freiza. Finally Goku transforms into a Super Saiyan.