Because you like Ben Wyatt in Parks and Recreation
For somebody who won't answer questions, the enigmatic C.C. sure asks a lot of them. See them in Code Geass.
After becoming accepted into the group of popular girls, Tracy Freeland has turned from a sweet and reserved teenager into a monster. See them in thirteen.
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.
The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. 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 .
A laid-back stoner, Ben Stone wasn't planning on life's ultimate responsibility. See them in Knocked Up.