3 More Golden Age Villains.
The Great Question (Centaur)
Amazing-Man Comics #5-17, 20, 23
Powers: Agility, Astral Projection, Mesmerize
Sea Horror (Chesler)
Dynamic Comics #9
The undead corpse of a drowned sailor (or is he just another Nazi in a disguise?)
Powers: Breathe Underwater, Command Sea Creatures
Crackajack Funnies #31-33
The leader of a crime organization that operates out of the sewers.