Arimaspi
From Equestripedia, the Archives of Equestria!
Arimpasi are a species that presumably reside within the Arimaspi Territory in the Mysterious South. They are a powerful, violent, goat-like race of one-eyed monsters with golden attire.
Behind the scenes
"Arimaspi" is a being of Greek and Scythian lore. It refers to a legendary tribe of one-eyed men from Scythia who fought Griffon's for gold and riches.