1. Kitty Winn

From Krampus to Santa Claus, the holiday season is filled with all sorts of. On December 26, 1973, the studio executives at Warner Bros. Added a new kind of yuletide tot into the mix: Regan MacNeil, a demonic tween famous for her distaste for pea soup and unholy attitude toward religious relics.

Here are 20 fascinating facts about William Friedkin's groundbreaking horror film on its 45th anniversary. It is based on a true story. William Peter Blatty’s novel is based on the real-life 1949 exorcism of a young boy, known by the pseudonym. The story became national news, and caught the interest of Blatty, who was a student at Georgetown University at the time (hence the change in location). William Peter Blatty wrote the novel in a cabin in California. In Beyond Comprehension: William Peter Blatty's The Exorcist, one of the on Warner Bros.'

Kitty Winn

S special, Blatty returns to the scene of The Exorcist’s beginning: the cabin in the hills of Encino, California where he wrote the novel more than four decades ago. The demon's name is Pazuzu. Though it’s never stated in the film, the demon that takes possession of Regan MacNeil has a name:, which is taken from the name of the king of the demons in Assyrian and Babylonian mythology. Mercedes McCambridge provided the voice of the demon. The woman Orson Welles once dubbed “the world’s greatest living radio actress” was hired to provide the voice for Linda Blair’s most demonic moments, a decision that became the source of much controversy when McCambridge was not credited for her performance. Some say that this was solely McCambridge’s, who claimed that she didn’t want to take away from Blair’s performance, then later changed her mind. Jai ho hindi movie.