 after remarking, "That bitch," and his response to Lea's comment that he was far from his sources of power to which Mouse is described as shrugging and replying "I live with a wizard, I cheat".While it's possible that the similar personalities are a result of living with Harry most of his life, even as a puppy Mouse displayed the very Harry-like trait of standing up to things far bigger than him.In "Ghost Story", Mouse is the protector of Maggie Dresden and living with the Carpenter family.