Father Callaway
Father Callaway is another character based off of a nonfiction person. In the movie, Kathy calls a priest in to bless their home after continously experiencing paranormal phenomon. Whenever Callaway goes to bless a room, flies swarm him and a demonic voice yells at him to get out. The person whom Father Callaway is based off of-Father Ralph Pecoraro-claims that he was not, in fact, swarmed by flies, but he did hear a deep voice telling him to get out.
Jodie
Jodie is a fictional character based loosely off of a real character. In the film, Jodie was a daughter of the DeFeo family whom was killed by Ronald DeFeo. She becomes Chelsea's "imaginary friend." However, in the novel, Jodie is an ethereal being that takes on the form of a pig and an angel, and is "friends" with Missy.
Lisa the Babysitter
Lisa is a fictional character in The Amitvyille Horror. There was never a babysitter that watched the DeFeo children, let alone hated a little girl named Jodie DeFeo. Lisa was merely added for a a build-up to a fright.