That's exactly what he means - an enlightened person (which is why he's portrayed not as a mere mortal, but as the personified, anthropomorphic Sun himself) on a bull, hence - Onogur (hence, Yolo Denev was right - the Bulgars (the Onogurs were the royal tribe of the so-called Old Great Bulgaria in the early 7th century, though it's also possible the Magyars got their Hungarian name from them as well) are actually cosmic creatures sent from the gods (or, ok - Space Turks, since were in ancalimon's topic)).