Oliver

Oliver is a guy introduced in the third book with hundreds of humanoid creatures called Pogers at his command. He has five bunches of hair that stick up on different places on his head. He is working with Zulorkus to permanently kill the main characters.

Hannah the Werecat
It was Christmas time, and the Class was doing a secret Santa, when Oliver burst into the scene and ran Emily through with a long knife.

Appearances

 * Hannah the Werecat
 * Sean the Psychopath