30 Greatest Batman Villains Of All Time
13. Mr. Freeze
Debuting as Mr. Zero in the late 50's, Freeze went through something of a overhaul in the Adam West TV series before he was defined in Batman: The Animated Series, and graduated to the top tier.
Freeze's tragic back story, the links to his wife Nora and the clear retro-future 50's influence are what makes him still work in 2015.