Starring alongside Welling was Michael Rosenbaum as his arch-nemesis Lex ... Rosembaum stuck to his guns and left "Smallville" behind. The actor did eventually return for the series finale ...

Numerous actors have gone on to memorably play Lex, including Michael Rosenbaum, Jon Cryer ... was just one of many gifts the actor left behind in his amazing body of work. That includes one ...