Danny Monroe

Danny Monroe is a Celeste's human bestfriend and Celeste's human boyfriends step-sister. She is also a Moretti vampire slayer. She is shown throughout the books to be hard headed and outgoing as well as hostile at sometimes to people she does not know. Whereas, when she's with Celeste and Rosy-- her best friends-- she is open. That changes in the third book, hoewever, when Celeste has found out that Danny is a vampire slayer and is out to kill her.