 He is an analogue of DC's superhero and recurrent Justice League member the Martian Manhunter, of whom he is an occasional ally.Created by Greg Potter and Gene Colan, Jemm first appeared in "Jemm, Son of Saturn" #1 (September 1984).The first unofficial appearance of a Red Saturnian in DC Comics was "Detective Comics" #314 (April 1963) where he was a nameless alien criminal who was weakened by motor oil, enabling the Martian Manhunter to defeat him.