Dragon Ball Z anime character facts:
Goku, also known by his Saiyan birth name Kakarot, is the main protagonist of the "Dragon Ball" series, including "Dragon Ball Z." He is a pure-hearted Saiyan warrior who was sent to Earth as a baby with the mission to conquer the planet. However, he suffers from a head injury shortly after his arrival, which causes him to lose his Saiyan aggression and become a kind-hearted and gentle individual.
As Goku grows up, he becomes one of Earth's greatest defenders, using his incredible martial arts skills and innate Saiyan strength to protect the planet from various threats. He trains under the guidance of Master Roshi, King Kai, and other powerful mentors, constantly striving to become stronger and to push his limits in battle.