The head vampire is really Mrs.Claus. She can turn into a vampire, and a giant bat.

Vampire Form

In her vampire form, she has fangs, sharp fingers, a cape, and tall hair with a spiked design at the top.

Bat Form

In Mrs.Claus' bat form, she has a bat's body, chubby cheeks, fangs, and blue facial skin. In this form, she's usually 12 feet tall.