Horus as bright as the sun was explained by a tale, known as "The Contendings of Horus and Seth". In this tale, it was said that Set, the patron of Upper Egypt, and Horus, the patron of Lower Egypt, had battled for Egypt brutally, with neither side victorious, until eventually the gods sided with Horus. As Horus was the ultimate victor he became known as "ḥr.w wr" "Horus the Great", but more usually translated "Horus the Elder". In the struggle, Set had lost a testicle, and Horus's eye was gouged out. Horus represented the eclipsing binary Algol in the Calendar of
Horus Bird (Pharaoh) the existence of one or more ephemeral rulers following Qa'a's death and before Hotepsekhemwy of which Horus-Bird may have been one. Egyptologists such as Černý and Peter Kaplony think that Horus-Bird could be identical to the likewise sparsely attested King Horus-Ba. Indeed, this ruler wrote his name with the leg sign or the leg and ram signs, which read "Ba". Černý and Kaplony think that the bird in the serekh of Horus-Bird is the goose sign with the same transcription, "Ba". In this case Horus-Ba and Horus "Bird" could be the same historical figure. Černý and Kaplony's theory is not