Jason Voorhees the original hockey mask, and was attached by Velcro. The tendrils were made from silicone. All of the pieces were crafted onto one suit, including an entire head piece, which Hodder wore. The make-up effects team added zippers along the side of the suit, which allowed Hodder to enter and exit the suit within 15 minutes. By the time "Freddy vs. Jason" entered production there had been ten previous "Friday the 13th" films. Make-up effects artist Terezakis wanted to put his own mark on Jason's look—he wanted Jason to be less rotted and decomposed and more defined, so that the
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