Because you like Richard B. Riddick in The Chronicles of Riddick

Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.

Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.

In his heart, this student rebel is more of a lover than a fighter. See them in Les Miserables.

A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.

A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.

Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.

Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.

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.

A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.

White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.

Tifa Lockhart is part mother hen, part martial arts bad-ass. See them in Final Fantasy Series.