Arminius Muldoon was a Human male who lived in the late 23rd century on the Orion Colony world of Daros IV. He spent at least two years there after his former shipmates abandoned him.
He was an elderly man and a regular drunkard who missed his fellow humans. In reference stardate 2/1407 (circa 2273) he became drinking partners with another human, undercover Starfleet Intelligence agent Commander Michael Thorn. Shortly before he left Daros, Thorn gave Muldoon a present: a holocube image of a mountain – really the site of Skaroskar. (FASA RPG module: Orion Ruse)