Zero is a robot made by Bardock before Frieza destroys Planet Vegeta fused with Kakarot's (Goku's) D.N.A. He can go Super Saiyan, Super Saiyan 2, Super Saiyan 3 and Legendary Super Saiyan 4. He knows all of Goku's moves, including the Spirit Bomb and the Kaio-Ken. He wields a powerful energy blade that can be powered up with ki. He is known for his great speed, but has unknown motives. Just before Frieza destroyes planet Vegeta, Zero warped out of the planets destruction.