Piccolo The Green Warrior From Namek

Piccolo - He is the son of Piccolo Damaioh, and was Goku's arch enemy until they fight against Raditsu, Nappa, & Vegeta. Piccolo dies in this fight, but returns to live thanks to the Prunga, the namek-jin dragon. Piccolo fuses with Nail, the last namek-jin warrior, and later fuses with his original self, Kami to fight Cell. Piccolo becomes a middle character later in the series, and dies forever when the Earth explodes in Dragon Ball GT.