It's the mythological creature of earth and sky seen here
.... could tread, no 
creature swim the sea, the air was lightless; nothing kept its ... "Gaia (Gaea, Earth
) produced Aither [here meaning Ouranos (Uranus) the Sky] dotted with its troop 
of stars... [DOC] [TLE] Ten Mythological Creatures in Ancient Folklore | Ancient Origins [PAR] Jun 29, 2014 ...