Sunstar is an ancient weapon found within an ancient ruins from the same era as the Stardroids, he posesses Planet-Destroying capabilities and Fire abilities that match even the sun itself. His special weapon is The Nova Weapon, which is capable of firing beams that could devastate entire planets. Despite waging a war to rule the universe and believing that robots are only built to fight, he has a noble heart and a very strong sense of resolve, wishing peace for all robots.