Because you like Rosalina in Super Mario Galaxy

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

A legendary warrior with a complicated relationship to the truth, Jaime Lannister is revered and reviled in equal measure See them in Game of Thrones.

A working class janitor with a world-class mind, Will Hunting is cocky, brash, and combative about his future. See them in Good Will Hunting.

Charming and enigmatic, Amy Dunne takes her love for puzzles to a cunning new level. See them in Gone Girl.

Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.

Freelance writer Diane is dating a dog and writing a memoir of a horse. See them in Bojack Horseman.

Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.

Jax Teller can be cool or vengeful, calm or wrathful, depending on the situation. See them in Sons of Anarchy.

Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.

America Singer is a feisty, fiercely independent musician who places little value on the restrictive rules of her society. See them in The Selection .

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.