Which actor played your favorite Superboy/Superman(or voiced it in a cartoon)?

Christopher Reeve was the best Superman.

Christopher Reeve is still the best Superman.  I liked Tyler Hoechlin in Supergirl guest spots, but have not liked him now that he's got his own show.  The characterization seems to have changed on a dime.  He seems kind of ... whiny now.  Whiny's not the right word.  But he's off somehow.

I don't know if he's my favorite, but Christopher Reeve is probably the only one who really did a good job of playing Clark Kent and Superman as two different seeming people.  With Reeve, you could actually believe that people wouldn't immediately realized Kent was Superman, because he made Clark so nerdy and shy and Superman so confident.  I think it's a great performance from an actor who many people probably under rated.