The Exorcist not deal with the original characters in the film and novel on which the book is inspired. The Exorcist The Exorcist is an American media franchise that originated with William Peter Blatty's 1971 horror novel of the same name and most prominently featured in a 1973 film adapted from the novel, and many subsequent prequels and sequels. All of these installments focus on fictional accounts of people possessed by Pazuzu, the main antagonist of the series, and the efforts of religious authorities to counter this possession. The Exorcist is a 1971 novel by American writer William Peter Blatty. The book
The Exorcist III film), as the protagonist. Blatty conceived "Legion" as a feature film with William Friedkin, director of "The Exorcist", attached to direct. Despite the critical and commercial failure of the previous sequel, Warner Bros. was keen to proceed with Blatty and Friedkin's plans for another "Exorcist" film. Blatty said that "everybody wanted "Exorcist III"... I hadn't written the script, but I had the story in my head...and Billy [Friedkin] loved it." Friedkin, however, soon left the project due to conflicting opinions between him and Blatty on the film. The project went into development hell, and Blatty wrote "Legion" as a novel