Bardock

Bardock is a low-class Saiyan warrior, and the father of Raditz and Goku (Kakarot). He makes his debut in the 1990 TV special Dragon Ball Z: Bardock - The Father of Goku. His life before his appearance in the special is unknown, but he is shown to lead his own squad into battle, and they are very successful in accomplishing their assignments. He is an adept fighter and a devoted Saiyan Army soldier under Frieza's Planet trade organization, until he realizes that Frieza plans the annihilation of the Saiyan race. Given to him by the last Kanassan warrior, was the ability to see into the future and it is through these visions that he sees the eventual Genocide of the Saiyans.