Dragon Ball Z

Raditz (ラディッツ, Radittsu) is the biological brother of Goku and the eldest son of Bardock. He was once a member of the Saiyan Army, but after his race's demise, he worked alongside Vegeta and Nappa directly for Frieza's planet trade organization. While working with a team led sejak Vegeta, Raditz traveled to Earth to discover if Kakarot (Goku's birthname) had finished the mission that he was sent on as a baby over two decades prior: the conquest of Earth. Upon arrival, however, Raditz discovered that Goku had Lost his violent Saiyan tendencies and also had no knowledge of his ancestry...