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 calculated because he feels that he has been wronged and he is fighting back; he is meant to be more sympathetic in this film. Fuller and Form contend that they did not want to make Jason too sympathetic to the audience. As Brad Fuller explains, "We do not want him to be sympathetic. Jason is not a comedic character, he is not sympathetic. He's a killing machine. Plain and simple." In 2005, California State University's Media Psychology Lab surveyed 1,166 people Americans aged from 16 to 91 on the psychological appeal of movie monsters. Many of the characteristics associated with