Because you like Ursula in The Little Mermaid
If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.
Dominic Toretto lives his life "a quarter mile at a time", and he burns through those miles faster than anyone. See them in The Fast and the Furious.
A debonair spy, Harry Hart is the epitome of a gentleman, even when he calmly takes down multiple men with a militarized umbrella. See them in Kingsman: The Secret Service.
For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.
There's never a dull moment when this mischievous high-schooler gets up to his hijinks. Save Ferris! See them in Ferris Bueller's Day Off.
Fighting for a future without fear? Yeah, Chris Redfield believes it is worth it. See them in Resident Evil Series.
Kazuma Kiryu's legendary strength and exploits have earned him the nickname of Dragon of Dojima. See them in Yakuza.
Noah Calhoun is lost without Allie, who seems to have moved on. See them in The Notebook.
The adventurous daughter of Port Royal's governor, Elizabeth Swann would rather conspire with pirates than sit pretty in her corset. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
A fun-loving jokester, Alistair isn't ready for the responsibilities he faces. See them in Dragon Age Series.