Because you like Stan Marsh in South Park

Tobias "Four" Eaton is only afraid of four things, but you should probably be afraid of him. See them in Divergent.

Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.

Hawkeye Pierce is a Devil-may-care Army doc who'd have the Devil laughing and drinking in five minutes flat. See them in M*A*S*H.

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .

Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .

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

Cinder has been beaten down by the world, but she's learning that her cyborg abilities are pretty helpful. See them in Cinder .

Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

This high school queen bee has everything, including a genius-level IQ—a fact Lydia Martin keeps hidden to maintain her image. See them in Teen Wolf.