In a recent video from Tested , Adam Savage takes a close up look at the Nazi Mutant Demon mask from the classic John Landis film, An American Werewolf in London . The mask for the creature was designed and created by legendary VFX artist Rick Baker. Here's one of the most iconic creatures from horror movie history: Rick Baker's mutant demon from the memorable nightmare sequence in An American Werewolf in London! Adam gets to take a look at this well-preserved latex mask for the helmeted demon, kept by Rick Baker and now apart of the upcoming Prop Store...