Мовсес Хоренаци
According to Movses Khorenatsi, Azhdhahak was a king of the Marrs (also known as the Medes), and the grandfather of Cyrus; i.e., Astyages. Movses Khorenatsi wrote that Azhdhak was killed by Armenian king Tigran Orontid. Khorenatsi wrote: "Azhdahak means dragon in our language".