90482 Orcus objects with a similar size and orbit to that of Pluto are named after underworld deities. Accordingly, the discoverers suggested naming the object after "Orcus", the Etruscan god of the underworld and punisher of broken oaths. He was portrayed in paintings in Etruscan tombs as a hairy, bearded giant. The name was also a private reference to the homonymous Orcas Island, where Brown's wife Diane had lived as a child and that they visit frequently. On March 30, 2005, Orcus's companion, Vanth, was named after a winged female demon of the Etruscan underworld. She could be present at the moment
Wand of Orcus reclaimed from the looters by its rightful owner, "as Master Blaise knew it would be". The booklet "The Dark of the War" in "" reveals that when Orcus was either deposed or slain by Kiaransalee, his "wand" was locked away in Agathion, the fourth layer of Pandemonium. Game statistics for the aspect of Orcus in the "Miniatures Handbook" (2003) on pages 53–54 state that the aspect "wields a weaker version of Orcus's famous wand". "Dungeons & Dragons 4th Edition for Dummies" describes the "Wand of Orcus" as being part of what makes Orcus "the most monstrous evil in the game".