Goku's dad

Bardock (バーダック, Bādakku) makes his debut in the 1990 special Bardock - The Father of Goku. He is a low-class Saiyan warrior and the father of Raditz and Goku (Kakarot). 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 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.
DBZ - Bardock & Tora

Bardock speaking with his best friend Tora before he dies