In Greek mythology, Copreus (Ancient Greek: Κοπρεύς, Kopreús) was King Eurystheus' herald who announced Heracles' Twelve Labours.
His name is usually translated as "dung man", or something equally unflattering.
[1] However, the name "Copreus" may originally have had more positive connotations, meaning "grazier" or "man of the land", and been associated with the ownership of cattle rather than just their dung (κόπρος).
He was a fugitive from Elis where he had killed a man called Iphitus, but Eurystheus purified him of the murder.
[2] Copreus had a son named Periphetes, who features briefly in the Iliad as a well-loved warrior speared by Hector.