Because you like Bill Cipher in Gravity Falls

A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.

Gotham's unhinged Clown Princess of Crime will call you puddin', then punch you in the face. See them in DC Extended Universe.

Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.

A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.

Sometimes being a supportive girlfriend like Ophelia doesn't work out too well. See them in Hamlet.

Patrick Verona is a bad boy who's after a tough girl. See them in 10 Things I Hate About You.

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.

What Troy Barnes lacks in common sense, he makes up for with heart. See them in Community.

Klaus Baudelaire's photographic memory saves the lives of his siblings many times over. See them in Lemony Snicket's A Series of Unfortunate Events.

Although she's the queen of killer comebacks and one-liners, Janis Ian is honest about her feelings and cares deeply about her friends. See them in Mean Girls.

Lily Aldrin is a flaky but supportive kindergarten teacher and painter. See them in How I Met Your Mother.