Because you like Billy Costigan in The Departed

A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.

Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.

Chris Chambers is from a family of social outcasts and criminals, and he wants more than anything to avoid ending up like them. See them in Stand By Me.

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

A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.

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

Chef is a swinging bachelor and former R&B singer with a leopard-skin upholstered couch and some great stories. See them in South Park.

This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

Benoit Blanc is Sherlock with Southern charm, and a mysterious benefactor. See them in Knives Out.

James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.

Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.