A subterranean race physically made entirely of magma. Originally a single Lava Man, Molto, engaged in combat with Thor, but was returned to his people via a volcano. After his return, the rest of the Lava Men became determined to eliminate the surface dwellers. With the discovery of the Living Rock, the Lava Men were give the tool with which to carry out their fiendish plans.
First Appearance: Journey Into Mystery #97