Because you like Jack Harkness in Doctor Who

Emily Fields has been very guarded, careful of whom she trusts and reveals her secrets to. See them in Pretty Little Liars.

Cheerful, childlike, and easily jealous, fashion icon Misa Amane is smarter and crueler than she seems. See them in Death Note.

Peppy and optimistic, Joy is totally lost when it comes to dealing with Sadness. See them in Inside Out.

Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.

Formerly a "sweater-set-wearing, mojito-drinking sorority girl", Paige Collins is now a successful sculptor with slight memory loss. See them in The Vow.

Sam Roth is sensitive, musically gifted, and scarred by his past. See them in Shiver .

Chuck Bass is notorious for his flamboyant sense of style and love of partying. See them in Gossip Girl.

Lux Lisbon's flirtatious manner attracts a lot of male attention. She relishes the power that her sexuality grants her. See them in The Virgin Suicides.

Gloria Delgado-Pritchett's big personality is rivaled only by her big heart. Wait, did we mention she's gorgeous? See them in Modern Family.

Haley Dunphy's interests include shopping, dating, and avoiding homework at all costs. See them in Modern Family.

After becoming accepted into the group of popular girls, Tracy Freeland has turned from a sweet and reserved teenager into a monster. See them in thirteen.

Spike Spiegel is a bounty-hunter with a laidback style and lightning-quick moves. See them in Cowboy Bebop.