Deadshot used to run around in a top coat in tails as a Batman villain before the red suit and metal head. Batman's villains were all kinds of classy back in the day: overdressing to make Batman look like a jerk in his tights. Or maybe more villains need top coats and tails instead of red jumpsuits and gun-arms.
Col. Trautman said it best when he said: "You don't seem to want to accept the fact you're dealing with an expert in guerrilla warfare, with a man who's the best, with guns, with knives, with his bare hands. A man who's been trained to ignore pain, ignore weather, to live off the land, to eat things that would make a billy goat puke."