NASA’s Mars Reconnaissance Orbiter spots sand dunes west of the enigmatic Orcus Patera depression.
National Geographic(Jan 29, 2016)
‘I see here you are a legacy, a descendant of Orcus.’
Rick Riordan, Blood of Olympus(2014)
Orcus had him, grim head, black heart and all.
Weyman, Stanley John, The Man in Black(2012)