The Origin of Doom’s Cacodemon June 27, 2019March 9, 2023 by Stu HorvathCategories Essays, Interviews, PatronsAstral Dreadnought, Cacodemon, Doom, Dungeons & Dragons, John Romero, Manual of the PlanesLeave a Comment on The Origin of Doom’s Cacodemon To view this content, you must be a member of Vintage RPG's Patreon Unlock with PatreonAlready a qualifying Patreon member? Refresh to access this content.