Oz the B-Rabbit

Oz (オズ, Ozu) is the main protagonist of Jun Mochizuki's Pandora Hearts. Oz was originally believed to be the Illegal Contractor of the Chain, Alice the B-Rabbit. However, in reality, Oz is the Chain known as Oz the B-Rabbit himself, and Alice is simply a soul that clings to Oz's existence after she stole Oz's powers.