Bardock, Goku's father, started as a low-class soldier, enhancing his power level via countless battles. He led his own squad and served the Saiyan Army under the Frieza Force. However, upon learning Frieza's intent to destroy the Saiyan race, his allegiance shifted. Bardock is recognized for his fighting prowess, his typical Saiyan belligerency, and his deep bond with his comrades.