Goku is the central figure in the Dragon Ball manga and anime franchise. He has a reputation for being incredibly powerful, possessing a kind heart, and being skilled in martial arts. Goku is actually an alien named Kakarot, who was sent to Earth as a child with the intention of destroying it.
Fortunately, a head injury caused him to lose his destructive tendencies and he has since become one of Earth's most formidable protectors. This iconic character is constantly driven to surpass his own limitations by facing stronger and stronger adversaries.