Because you like Amsterdam Vallon in Gangs of New York
Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.
Princess Fiona is a damsel who doesn't need saving, but she's cursed with an embarrassing secret. See them in Shrek.
Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.
Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.
When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.
Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.
Quirky and wildly imaginative, Amelie finds joy in the unnoticed things in life and aspires to bring happiness to all. See them in Amelie.
Holly Golightly spends so much time trying to be other people's dream girl, she doesn't really know what kind of girl she actually is. See them in Breakfast at Tiffany's.
As a monster-hunter cursed with supernatural abilities, Geralt of Rivia is a cynic burdened by scruples in an unscrupulous world. See them in The Witcher.
Charles Xavier is a telepath who believes mutants and humans are both good at heart and can live in harmony. See them in X-Men Series.
Nick Fury is an enigmatic, manipulative, and eye-patched director of the Avengers Initiative. See them in Marvel Cinematic Universe.