Because you like Kara "Starbuck" Thrace in Battlestar Galactica

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

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

Omar Little is a pretty chill guy, as long as you can forgive the stealing and killing people. See them in The Wire.

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.

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

There must be quite a lot of fellows who haven't got anybody to bring them tea in the morning. Bertie Wooster is lucky to have his valet, Jeeves. See them in Jeeves and Wooster.

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.

CIA operative Carrie Mathison is on a self-assigned mission to follow a lead, whether it be the truth or just her delusions playing tricks. See them in Homeland.

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

Jenny Flint is a devoted wife and daring crime fighter, which is pretty unconventional for a Victorian maid. See them in Doctor Who.

Gruff and sarcastic, Detective Harry Dresden use unconventional ways to track down perps, including using magic and the supernatural. See them in The Dresden Files.

As the White House Press Secretary, C. J. Cregg is a master of verbal karate and the best damn basketball player in Ohio Valley history. See them in The West Wing.