Hades three-headed guard dog Cerberus. The Etruscan god Aita and the Roman gods Dis Pater and Orcus were eventually taken as equivalent to Hades and merged into Pluto, a Latinization of Plouton (", Ploútōn"), itself a euphemistic title often given to Hades. The origin of Hades' name is uncertain, but has generally been seen as meaning "the unseen one" since antiquity. An extensive section of Plato's dialogue "Cratylus" is devoted to the etymology of the god's name, in which Socrates is arguing for a folk etymology not from "unseen" but from "his knowledge ("eidenai") of all noble things". Modern linguists have
Orcus (Dungeons & Dragons) Baphomet, allowing Yeenoghu to invade and plunder the plane of Baphomet; Orcus then forced Baphomet into imprisonment, to guard an open platform from intruders until he fulfils all of the conditions that Orcus has decreed. The first edition "Monster Manual II" described the realms of Orcus: "Orcus' manifold layers are populated with skeletal monsters, various sorts of zombies, huecuvae, shadows, sheet phantoms, vampires, and death knights." The first edition "Manual of the Planes" describes the layer of the Abyss ruled by Orcus: "The dwelling of Orcus is a great palace made of bones, rising out of ground bone meal. His