Real name: Hackett and Sneed
First Appearance: Batman I#2 (Summer 1940)
Abilities: Crooked businessmen, poor business sense
Quotes: "If we could exhibit that giant we could make a million dollars! "
Worst Act: Assault, murder, stealing a giant
Created by: Bill Finger (writer) and Bob Kane (artist-credited), Jerry Robinson/George Roussos(inks)
Bit of an odd caper here. The whole story has a scientist named Drake being attacked by pygmies. Why is he being stalked? Because he stole their god, a giant living in the wilds of Africa that Drake believes is the missing link.
Naturally Drake does the most responsible thing and steals him away to America and makes him wear tuxedos. Crooked promotors Hackett & Sneed hear of this giant and think he'd be the perfect act, and they intend to get him be it hook or crook.
Not the worst Batman story ever, but at this point certainly the oddest. Hackett and Sneed are simply too plain to really stand out, although their plan to kidnap the giant and (somehow) make him work for them is original if not particularly thought out.