Goku's all Super Saiyan forms. First four is from Dragonball Z an GT. And from SSJ5 to SSJ10 is from Dragonball AF. His son Gohan can transform to SSJ7, Vegeta to SSJ9, Goten to SSJ7, Trunks to SSJ6, Broly to SSJ9. Goku is the only Saiyan who reached SSJ10!