Wow. Cool (pun unintended). This is very simplistic, but good nonetheless. Could be Mr. Freeze in an early stage of his criminal career. I love that you kept the basics: bluish skin, baldness, red eyes, the glass dome on his head, armor, and a gun. I really like the goggles, the "FREEZE IN HELL BATMAN" behind him, the simplistic armor, the gun, the skin color, the color scheme, and the details on the forearms and upper chest/lower neck area, and his cold (pun intended), emotionless face. He looks like he's on a promotional poster for something, which is actually an ice (pun intended) touch. I should've put more cold puns in here.