Because you like Babydoll in Sucker Punch
The brilliant and well-adjusted Ender Wiggin is being groomed for the next generation of military leaders to fight alien invaders. See them in Ender's Game.
Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.
A sadistic sociopath, Lil Z is helping make the City of God slum a Hell on Earth. See them in City of God.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.
A powerful mob boss, Vito Corleone is always making offers people can't refuse. See them in The Godfather.
Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.
A former high school outcast, Rebecca Doppelmeyer is tentatively shaking off her misanthropic personality. See them in Ghost World.
Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.
While Fantine's gentleness has led others to take advantage of her, it ultimately forces her to become stronger. See them in Les Miserables.
Phoebe Caulfield is a wise-beyond-her-years 10-year-old with an empathetic spirit. See them in The Catcher in the Rye.