Vegeta

Vegeta a powerful saiyan raised in planet vegeta, his home planet got destroyed by the mighty frieza. He resorted to traveling to others planets eventually stumbling with planet earth and checking it out. Fighting a strong saiyan Warrior Son Goku and then loses to him. A couple of years later Vegeta joins Goku's side and this is where it leads to the events of he Majin Buy Saga. He got controlled by majin buu.