Jason Voorhees arrived to read for the character of Jack. Before he could get started, Cunningham walked in and offered him a different part: Jason. Without having read a single word, Cunningham just looked at Ari and said, "You're the right size, you've got it." In the original "Friday the 13th", Ari Lehman is seen only in a brief flashback as the surprise ending. Subsequent actors who portrayed a young Jason include Timothy Burr Mirkovich in "Jason Takes Manhattan" and Spencer Stump in "Freddy vs. Jason". The adult role of Jason Voorhees has been played by various actors, some not credited, others
Jason Voorhees copy of the Necronomicon Ex-Mortis, from the "Evil Dead" franchise, in the Voorhees home as a way to insinuate that Jason was actually a "Deadite", a type of demonic being from that series. Marcus stated the book's placement was intended to imply that Pamela Voorhees had used it to resurrect Jason after his childhood drowning, resulting in his supernatural abilities: "This is why Jason isn't Jason. He's Jason plus "The Evil Dead"... That, to me, is way more interesting as a mashup, and [Sam] Raimi loved it! It's not like I could tell New Line my plan to include "The