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 Freddy Krueger (Robert Englund), a supernatural killer who murders people in their dreams. Krueger has grown weak, as people in his home town of Springwood have suppressed their fear of him. Freddy, who is impersonating Jason's mother (Paula Shaw), resurrects Jason (Ken Kirzinger) from Hell and sends him to Springwood to cause panic and fear. Jason accomplishes this, but refuses to stop killing. A battle ensues in both the dream world and Crystal Lake. The identity of the winner is left ambiguous, as Jason surfaces from the lake holding Freddy's severed head, which winks and laughs. In the 2009 "Friday