Rocksteady?
My old buddy Vaughn Michael makes a good point:
http://forums.thetechnodrome.com/showpost.php?p=1282381&postcount=270
As you can see, not only does Rocksteady have the gold plating and spikes like Steranko, but he also has a hammer on the left hand, and a sickle on the right, just as Steranko does.