Son Goku is the main protagonist of the Dragon Ball Super series. He is known for his cheerful, energetic personality and his insatiable desire for combat and self-improvement. Goku is a Saiyan, a warrior race known for their strength and battle prowess. Throughout the series, Goku faces powerful opponents, engages in intense battles, and often surpasses his limits. He plays a crucial role in protecting Earth and the universe from various threats, utilizing his skills in martial arts and his ability to transform into increasingly powerful Super Saiyan forms.