Because you like Richard B. Riddick in The Chronicles of Riddick
Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.
Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.
A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.
Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.
Benoit Blanc is Sherlock with Southern charm, and a mysterious benefactor. See them in Knives Out.
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.
A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.
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.
Don't let his old age fool you, Heihachi Mishima is a ruthless pragmatist who values self-reliance above all else. See them in Tekken .
Columbus can't trust anyone. The first girl he let into his life tried to eat him. See them in Zombieland .