A genuine vampire who lives in a blue castle in Europe, Hilda claims to be the true heroine of this adventure. She came to America for sight-seeing, but the aircraft her friend created crashed during the voyage. They were mistaken for aliens and detained in custody in an unknown location. Hilda is very self-centered with an agressive personality, and is able to transform into various shapes by taking in calories. Obnoxious as she may be, she can also possess a kind-hearted and graceful personality depending on her form.
