Dr. Fabio

Dr. Fabio is the dean of St. Mark's academy in Chicago and a retired venator. He first appears in I was a Teenage Bigfoot.

I was a Teenage Bigfoot
Dr. Fabio decides to use black magic to steal one of his studen'ts life force for his own gains. He employs the Seal of Solomon to drain Irwin's life force so he can use it to fix his receeding hairline.