Because you like Clementine Kruczynski in Eternal Sunshine of the Spotless Mind
After finding a mysterious object in one of the many rooms in her father's mansion, Bulma is inspired to discover its secrets. See them in Dragon Ball.
Sterling Archer is a fun-loving, car-driving spy extraordinaire. But one can tell his mother didn't hug him as a child. See them in Archer.
Harry Mason has been told that he worries too much, that he's a little paranoid. But he just wants to protect what he loves. See them in Silent Hill.
K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.
Nicholas Angel is super-dedicated to his job as a police officer. Maybe a little too dedicated. See them in Hot Fuzz.
With a unique ability to empathize with killers, Will Graham helps society but his sanity pays the price. See them in Hannibal.
A bureaucrat in the Land of the Dead, Manuel Calavera is a jaded, sarcastic loner who just might have a hidden heroic side. See them in Grim Fandango.
If anyone can speak truth to power, it's Atticus Finch. With elequent monologues, he forces everyone to face hard truths. See them in To Kill a Mockingbird.
Eowyn isn’t allowed to fight, but then again, when have rules ever stopped her? See them in The Lord of the Rings.
Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.