Artificially created superhuman powered by solar energy.
Lex engineers Nuclear Man and directs him against Superman.
Lex creates Nuclear Man by attaching Superman's genetic matrix to a nuclear missile and later aligns with the resulting entity.
Nuclear Man is Superman's primary physical adversary.
Superman fights Nuclear Man across the world, on the Moon, and at a nuclear power plant before destroying him.
Explore the full interactive character relationship map of Superman IV: The Quest for Peace