Because you like Butters Stotch in South Park

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 .

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.