The Gormagon, or Gormogon, from Bones TV series is a cannibalistic serial killer and believed to be a mythical monster who kills and eats its victims.
Beginning with the season 3 premiere titled "The Widow's Son in the Windshield", the Jeffersonian team has been investigating a cannibalistic serial killer they call The Gormogon, for his obsession with secret societies and his targeting of the Knights of Columbus.
The origin of the word may be as a variant of "gormagon", which was defined in The 1811 Dictionary of the Vulgar Tongue as "A monster with six eyes, three mouths, four arms, eight legs, five on one side and three on the other, three arses, two tarses, and a cunt upon its back; a man on horseback, with a woman behind him."