Because you like Rick Blaine in Casablanca

Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.

When the going gets tough, Dre Johnson gets tougher. Well, he'd like to think he does. See them in Blackish.

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.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

Mark Zuckerberg has achieved everything he's ever wanted, and he's proving to the world how brilliant he is. But happiness eludes him. See them in The Social Network.

Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.

Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.

Neal Cassidy is a charming former thief with a heroic side. See them in Once Upon a Time.

Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.

Chewbacca is a loyal co-pilot who won't hesitate to rip your arm off. See them in Star Wars Series.