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
Exorcist II: The Heretic with flashbacks in "Exorcist II". Although this same exorcism becomes the central plot line for the most recent "Exorcist" movies "" and "", little effort was made to keep the stories consistent. The boy is not named Kokumo, and the locations and circumstances of the exorcism do not resemble "Exorcist II: The Heretic" even remotely. Ultimately it is revealed from "Exorcist: The Beginning" that the African boy is not the one actually afflicted; it turns out to be another character entirely that is possessed. However, "Dominion: Prequel to the Exorcist" does show the African boy being the person who was