Diomus

(Δίομος), a son of Colyttus, a favourite and attendant of Heracles, from whom the Attic demos of Diomeia was believed to have derived its name. (Steph. Byz. s. vv. Κυνόσαργες, Διόμεια.) [L.S]

(Δίομος), a Sicilian shepherd, who is said to have invented bucolic poetry, and was mentioned as such in two poems of Epicharmus. (Athen. 14.619.) [L.S]