Orthrus

Orthrus (meaning "daybreak") was the brother of Cerberus and was documented by Apollodorus and some artists. He is usually a two-headed dog. He and his owner were killed by Hercules when he was trying to steal the red cattle they were guarding for the giant Geryon for his tenth labor. He is usually portrayed as dying or deadhttps://www.theoi.com/Ther/KuonOrthros.htmlhttps://en.wikipedia.org/w/index.php?title=Orthrus&oldid=1092286143. 
== References ==
Category:Dogs in mythology