Detonator Orgun(1991)

Detonator Orgun is a science fiction anime series following an alien warrior who escapes his own kind and arrives on Earth searching for answers about his mysterious past. Orgun possesses superhuman strength and advanced weaponry that make him a formidable force. He forms a partnership with Tomoru, a young man who becomes his unlikely ally in the fight against the Evoluders—a hostile alien race bent on destroying civilizations across the galaxy. Together, they must defend Earth from annihilation while Orgun uncovers the truth of his origins. The series blends intense action with cosmic mystery, exploring themes of identity and belonging as the protagonist grapples with his place in the universe.