The main character the from 1971/1973's horror novel/movie The Exorcist was appeared seen from AGK Parodies including The Maze. The game was played by Leopold. but he also hates it when he sawed a picture of Regan MacNeil From The Exorcist.
Peter Sundler's AGK Series
She also appears in Episode 10 when Leopold fights against her. After the battle, Leopold explodes Regan MacNeil where he screams at her from the episode.