"These little gingerbread zombies have taken on a life of their own," Siqueiros, a food and beverage product optimization manager at Disneyland, told SFGATE via video. The gingerbread zombies in question - you might be tempted to call them "gingerdead," but someone owns that copyright - are in Haunted Mansion Holiday, the spookily festive " The Nightmare Before Christmas" version of the 1969 ride that happens every Halloween and holiday season.