Because you like Sydney Bristow in Alias
Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.
Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.
Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.
Veronica Mars is a sarcastic private eye whose biggest mission is surviving high school. See them in Veronica Mars.
Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.
Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.
A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.
As Marlena Rosenbluth is finding out, confidence in the limelight doesn't always translate to power at home. See them in Water for Elephants.
A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.
Michael Scofield is no criminal, and he didn't get jailed by accident. See them in Prison Break.