Pazuzu (The Exorcist) the first film, Linda Blair played Regan. Mercedes McCambridge provided the majority of Pazuzu's dialogue, most notably in all the scenes with Fathers Karras and Merrin. In earlier scenes, Pazuzu's voice is provided by Linda Blair herself in some scenes, and Ron Faber in others. The face of Pazuzu is provided by Eileen Dietz, who also plays Regan during the vomiting, levitation and masturbation scenes. Pazuzu is mostly manifested by a swarm of locusts in "Exorcist II: The Heretic", though is also shown possessing the young Regan and a young boy named Kokumo during flashback sequences. While the stand-in for
Pazuzu (The Exorcist) Regan banishes Pazuzu, appearing in the form of locusts. "The Exorcist III" takes place 15 years after the original film. The film was adapted by Blatty from his novel "Legion". Lieutenant Kinderman, who was also in the original film, has been on a murder case about mysterious deaths committed by an anonymous person. It is later found out that Pazuzu convinced the Gemini Killer, who died at the same time as Father Karras, to inhabit his body as punishment for saving Regan. However, as result of his suicide, his brain was severely damaged, which demons/spirits need when they possess a