He used to dress up like Clark Kent for Halloween, but as Kent's alter ego in the summer favorite ''Superman Returns,'' Routh fitinto the hero label (and the tights!) as the iconic character. "People will like me, I think, because I do a good job in the film, but I also realize that the appeal isn't just me. It's the character. It's the film. It's what ''Superman'' sands for and brings to the table."