Because you like Seth Cohen in The O.C.

Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.

This lab mouse has one thing on his huge brain: trying to take over the world on a nightly basis. See them in Pinky and the Brain.

Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.

Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

If the awesome Andie Walsh is from the wrong side of the tracks, we don't want to be right. See them in Pretty in Pink.

A poised, stately man-out-of-time, Ichabod Crane typically faces the modern world with wry quip. See them in Sleepy Hollow.

Logan Huntzberger is a daredevil, romantic, and heir to a media empire. See them in Gilmore Girls.

Strong-willed Norah Silverberg isn't willing to be the goody bag at anyone's pity party. See them in Nick and Norah's Infinite Playlist.

Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.