zeusRuler of Heaven and Earth. Zeus, (Jupiter, Ζεύς, Δίας) the great presiding deity of the universe, the ruler of heaven and earth, was regarded by the Greeks, first, as the god of all aërialAs the ruler of Mount Olympus, he commanded the skies and all the gods. Think of him as the ultimate authority, the one whose decisions shaped the destinies of gods and mortals. Zeus commands the sky, wielding thunder