Because you like Wendy Testaburger in South Park

Cosima Niehaus loves exploring the unknown. Even her own DNA is a puzzle, waiting to be unlocked. See them in Orphan Black.

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

Courteous, dangerous, and powerful, Kaname Kuran controls an entire court of vampires. Very, very pretty vampires. See them in Vampire Knight.

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

Whether he's fighting or flirting, Jace Wayland is all swagger. See them in City of Bones.

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 .

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

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

Faced with inequality, Gale Hawthorne has a rebellious spirit that only grows. See them in The Hunger Games .