Because you like Seth Cohen in The O.C.

D.J. Tanner is a rebellious teen who wishes her lame dad would butt out of her personal life. See them in Full House.

They say prison changes you, and Piper Chapman is figuring that out the hard way. See them in Orange Is The New Black.

A sarcastic and nosy tomboy, Stephanie Tanner is understandably not crazy about being the middle child. See them in Full House.

Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.

Troy Bolton is a triple threat: singing, dancing, and basketball. See them in High School Musical.

Michael Moscovitz is a high school student of few words but a lot of heart. See them in The Princess Diaries.

Alex Russo desperately wants to keep her magic – after all, things are so much easier when you can just wave a wand. See them in Wizards of Waverly Place.

A working class janitor with a world-class mind, Will Hunting is cocky, brash, and combative about his future. See them in Good Will Hunting.

Jackie Burkhart is a privileged princess with a healthy dose of self-confidence. See them in That '70s Show.

The bad boy medical intern might have a soft side‚ but you need to dig deep for it. See them in Grey's Anatomy.

It's impossible to say whether Winifred Burkle is cuter than she is smart, or vice versa. See them in Angel.