Jupiter, also known as Jove, is the god of sky and thunder, as well as the king of gods in Ancient Roman Mythology. Jupiter is the top god of the Roman pantheon. Jupiter was considered the chief deity of Roman state religion during the Republican and Imperial eras until Christianity became the dominant religion. Here on his throne on Mount Olympus, he has his eagle with him. The eagle served as Jupiters personal messenger. Myths said an eagle have carried the youth Ganymede to Olympus, where he served as the gods' cupbearer. Jupiter was known to the Greeks as Zeus.