Because you like Stephen Hawking in The Theory of Everything

Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.

Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.

Adults call him troubled and kids call him crazy, but Donnie Darko is too busy following the instructions of a giant bunny rabbit to care. See them in Donnie Darko.

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

The brilliant Mona Vanderwaal is proof that undergoing an "extreme makeover" isn't always a good thing. See them in Pretty Little Liars.

Although she's only six, Hushpuppy is a tough girl ready to stand up to terrifying, pre-historic beasts after the storm. See them in Beasts of the Southern Wild.

Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.

Ex-adviser to the king and most powerful sorceress, Yennefer is determined to be even stronger to attain her freedom in a war-torn world. See them in The Witcher.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.