Jason Voorhees on a minor aspect of him. Jason made his first cinematic appearance in the original "Friday the 13th" on May 9, 1980. In this film, Jason is portrayed in the memories of his mother, Mrs. Voorhees (Betsy Palmer), and as a hallucination of the film's protagonist, Alice (Adrienne King). Though the character makes no contemporary appearance onscreen, he propels the film's plot—Mrs. Voorhees, the cook at Camp Crystal Lake, seeks revenge for his death, which she blames on the camp counselors. Jason's second appearance was in the sequel, "Friday the 13th Part 2" (1981). Revealed to be alive, an adult
Jason Voorhees the crew behind the film decided he needed to be deformed. Victor Miller explained Jason was not meant to be a creature from the "Black Lagoon" in his script, and scripted Jason as a mentally disabled young boy; it was Savini who made Jason deformed. Ron Kurz confirmed that Miller's version of Jason was that of a normal child, but claims that it was his idea to turn Jason into a "mongoloid creature", and have him "jump out of the lake at the end of the film". Miller later agreed the ending would not have been as good if he