Orcus because Pluto and 90482 Orcus are both plutinos. Orcus Orcus () was a god of the underworld, punisher of broken oaths in Italic and Roman mythology. As with Hades, the name of the god was also used for the underworld itself. In the later tradition, he was conflated with Dis Pater. Orcus was portrayed in paintings in Etruscan tombs as a hairy, bearded giant. A temple to Orcus may have existed on the Palatine Hill in Rome. It is likely that he was transliterated from the Greek daemon Horkos, the personification of Oaths and a son of Eris. The origins
Tomb of Orcus belonged to the Murina family, an offshoot of the Etruscan Spurinnae. The foundation is inscribed with the following enigmatic phrase: Orcus I was built between 470 and 450 BC (perhaps by a man named Leive; see below); a separate hypogeum, Orcus II, was built c. 325 BC. At some point in antiquity the wall between the two was removed, creating a large tomb with two dromes (entrances). The tomb was excavated in 1868 by an officer of the French Army. Upon its discovery, the excavator mistook the painting of a cyclops for the Roman god Orcus (see below), hence the