Because you like Ice King in Adventure Time

He's a troubled insomniac in search of a moment to rest and a meaning to his existence. See them in Fight Club.

Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.

A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.

An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.

Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.

Mystique is a shape-shifting mutant who, after too many disappointments, does not want to co-exist with humans. 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.

Satine cynically gives up on love so she can advance her singing career. But she meets a dreamer who reminds her there's more to life than ambition. See them in Moulin Rouge.

Once a loving family man, James Heller is now dark, damaged, and hell-bent on getting revenge. See them in Prototype Series.

Jack Frost would rather crack a joke or throw a snowball than take anything seriously. See them in Rise of the Guardians.

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.

Veronica Sawyer thinks that if you were happy every day of your life you wouldn't be a human being, you'd be a game-show host. See them in Heathers.