Because you like Trevor Reznik in The Machinist

This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.

Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.

Marge Gunderson embodies the very best of the American Midwest. She's kind, friendly, and fiercely honest. See them in Fargo.

Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.

Tony Stonem is the golden boy of Bristol. Problem is, he knows it. See them in Skins.

Don't ask the ruthless queen of the Tokyo underworld any questions unless you're fine with losing a limb. See them in Kill Bill vol. 1.

Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.

Can you be reckless and still be in control? Neil McCormick hopes so. See them in Mysterious Skin.

Gregor Samsa is an ordinary man in an abnormal predicament. See them in The Metamorphosis.

Chris Miles has run out of cash, luck, and drugs. See them in Skins.

Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.

Clarice Starling is patiently working with one serial killer to stop another. See them in The Silence of the Lambs.