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 deceased serial killer. Blatty based aspects of the Gemini Killer on the real-life Zodiac Killer, one of several serial killers who enjoyed the original "Exorcist." Blatty, who wrote the original "Exorcist" novel (1971) and the screenplay for its 1973 film adaptation, conceived "The Exorcist III" with "Exorcist" director William Friedkin attached to direct. When Friedkin left the project, Blatty adapted the script into a bestselling novel, "Legion" (1983); Morgan Creek Productions bought the film rights, with Blatty as director. To Blatty's frustration, Morgan Creek demanded extensive last-minute changes, including the addition of an exorcism sequence for the climax. Though some