Because you like John Patrick Mason in The Rock

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

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

Holland March is known to wake up hungover in full bathtubs. See them in The Nice Guys.

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

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.

Charismatic, sociopathic, and dramatic, Charlie Bronson wants nothing more than to be famous. See them in Bronson.

Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.

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

In Ziva David's world, you grow up fast; you don't have a choice. See them in NCIS.

Phoebe Halliwell is a bestselling author and martial arts master with power of premonitions. See them in Charmed.

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