Because you like The Janitor in Scrubs

A free-spirited artist, Marjane Satrapi is living under the shadow of an oppressive society. See them in Persepolis.

He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.

Anyone who's said "Don't worry, it's just a dream" never met Freddy Krueger. See them in A Nightmare on Elm Street.

Hawkeye is most comfortable perched above the action, keeping an eye on everything and using a well-timed arrow to save the day. See them in Marvel Cinematic Universe.

V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.

Whether it's randomly bursting into song or writing Nancy Drew fan-fiction, Jess proudly marches to the beat of her own drum. See them in New Girl.

Tiffany Doggett is usually a nice, good Christian. Just don't get her riled up! See them in Orange Is The New Black.

A self-professed psychopath, James kills small animals for fun. After getting bored of that, he is ready for an ambitious murder. See them in The End of the F World.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.

His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.