Djet

Djet, also known as Wadjet, Wadj, Zet, and Uadji (in Greek possibly the pharaoh known as Uenephes or possibly Atothis; fl. c. 2980 BC), was the fourth pharaoh of the First Dynasty, successor of Djer. Djet's Horus name means "Horus Cobra" or "Serpent of Horus".

Source: Wikipedia — https://en.wikipedia.org/wiki/Djet