Because you like Sydney Bristow in Alias

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

Calling Alicia Florrick a "good wife" is damning this smart, capable, thoughtful woman with too-faint praise. See them in The Good Wife.

Jack Bauer is a terrorist fighter who is scared of nothing and no one. The clock is ticking! See them in 24.

Joey Potter is a low-key girl next door in love with her best friend. See them in Dawson's Creek.

Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.

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

Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.

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

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

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