Created by writer Marv Wolfman and artist Jerry Ordway, Professor Emil Hamilton first appeared in The Adventures of Superman #424 (January 1987).

After being treated, Hamilton establishes a laboratory in Suicide Slum and becomes an ally of Superman, creating various devices for him.

[11][12][13][14] Emil Hamilton is a normal human being and thus, has no inherent powers, though he is a brilliant scientist and inventor, having designed and built devices such as a force-field generator.

Hamilton has designed various prosthetic arms with unusual abilities, including one that acted as a sunscreen dispenser.

[21] After Mercer downloads herself into the "Red Tornado" android and joins the Justice League, she and Hamilton begin dating.