Because you like Sydney Bristow in Alias

Osha is a savvy Wildling in an increasingly wild world. See them in Game of Thrones.

Born into luxury, Sybil Crawley wants to find real purpose and meaning in her privileged life. See them in Downton Abbey.

Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.

Remy Hadley is a closed book—a cynical, super-smart closed book. See them in House M.D..

For a taciturn, shadowy vampire, Angel has got a big mouth. See them in Angel.

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

Emma Frost's superpower: transforming her body into an unbreakable diamond. See them in X-Men Series.

Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.

Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.

A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.

Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.

A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.