Calias

Calias is a Legendary Super Saiyan and the supposed Original Super Saiyan. It is in fact the 5th. In it's time, it was worshipped as a god by the saiyans. It appears to be in a form similar to Super Saiyan 5 (DBGVB) or Golden Great Ape. It's gender is not revealed, but it is strongly implied that it is a female