Because you like Mark Zuckerberg in The Social Network

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.

Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..

Oliver Tate is extremely articulate but hopelessly awkward. That's not a recipe for teenage happiness. See them in Submarine.

Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.

Mitchell Pritchett prefers to have a place for everything and everything in its place. See them in Modern Family.

Formerly a "sweater-set-wearing, mojito-drinking sorority girl", Paige Collins is now a successful sculptor with slight memory loss. See them in The Vow.

R is sweet for a zombie. See them in Warm Bodies.

This elf loves smiling, eating sugar, and spreading Christmas cheer. And no matter what, Buddy always sees the best in people. See them in Elf.

Wolverine is a hot-blooded Canadian with an adamantium skeleton who's the best at what he does. See them in X-Men Series.

Margo loves mysteries so much that she becomes one. See them in Paper Towns.

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

Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.