From the popular anime series, Dragon Ball GT, comes Son Goku in his Super Saiyan 4 form. Goku is a Saiyan originally sent to Earth as an infant with the mission to destroy it. However, an accident alters his memory, causing him to grow up pure-hearted. The only way Saiyan can attain Super Saiyan 4 is if they become a Golden Great Ape and regain conscious control over the form.