Aunt Man

Origin
Aunt Man is only mentioned as one of the superheroes detested by Sinistro, Boy Fiend. no image or description of his abilities or real name is given. Just that Sinistro "Has no love for Captain USA, Green Spider, Aunt Man..."

Powers and Abilities
Nothing is revealed about Aunt Man, making him the most mysterious of all heroes that Sinistro, Boy Fiend detests.

Links
Story on Ominous Octopus Omnibus