Harpagus

General Harpagus, behind Cyrus the Great (18th century tapestry).

Harpagus, also known as Harpagos (Ancient Greek Ἅρπαγος; Akkadian: Arbaku), was a Median general during the 6th century BC, credited by Herodotus as having put Cyrus the Great on the throne through his defection during the Battle of Pasargadae.