Jason Voorhees sculpted a full-body, foam latex suit for Kane Hodder to wear under the costume. The idea was to reveal as much of Jason's skin as possible, because Nicotero and Berger knew the physical character would not be seen for most of the film. Stephan Dupuis was given the task of redesigning Jason for the tenth "Friday the 13th" film. One concept brought into the film was Jason's regenerative abilities. Dupuis gave the character more hair and more of a natural flesh appearance to illustrate the constant regeneration the character goes through; Dupuis wanted a more "gothic" design for Jason, so
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