Son Goku is a Saiyan raised on Earth and the overall main protagonist of the Dragon Ball series. Goku became well-known for the energetic, kindhearted, pure heart and caring personality traits. He has no negative feelings or thoughts. He is highly loyal to his friends and family and is extremely protective of them as a result. He loves them very much that he is willing to sacrifice himself to save others. He is naive and has a lack of education but he's a genius in combat. Loves to fight.