Djet, also known as Wadjet, Wadj, Zet, and Uadji, was the fourth pharaoh of the First Dynasty, successor of Djer. Djet's Horus name means "Horus Cobra" or "Serpent of Horus". c. 3000 BC – 2970 BC; died at about 31. Alive at the same time as Djer. Wiki link