A fictional character from the Friday the 13th series of slasher films.
He first appeared in Friday the 13th (1980), as the son of camp cook-turned-murderer, Mrs. Voorhees, in which he was portrayed by Ari Lehman.
Creators: Victor Miller, Ron Kurz, Sean S. Cunningham, Tom Savini
In his original appearance, Jason was scripted as a mentally disabled young boy. Since Friday the 13th, Jason Voorhees has been depicted as a non-verbal, indestructible, machete-wielding mass murderer"