Quote Originally Posted by DeathKnight
What 'bout a NEW ONE!? that's not so hard I'm sure.
Between Lex Luthor, Metallo, Doomsday, Mr. Mxyztplk, Mongul, Toymaker, Brainaic, Zod, about half a dozen different superpowered monkeys, Prankster, Bizarro, Darkseid, and others I can't recall currently, there's not much need to create any new villains for Supes.