Twins in mythology upon. However, other cultures attribute the outcome of twins to superior virility of the father. In various mythologies, twins often represent the dualistic nature of the universe. In Greek mythology, twins Apollo and Artemis, are the sun god and moon goddess, respectively. Similar forms of higher beings are reflected throughout different mythologies, as twin brothers Kuat and Iae represent the sun and moon in the Xingu mythology of Brazil. Egyptian God, Geb, and his twin sister, Nut, represented the binary nature of the world, with Geb being the God of the Earth, and Nut being the Goddess of the sky.
Apollo is a healer physician god. However the Indo-European component of Apollo does not explain his strong relation with omens, exorcisms, and with the oracular cult. It seems an oracular cult existed in Delphi from the Mycenaean age. In historical times, the priests of Delphi were called Lab(r)yadai, "the double-axe men", which indicates Minoan origin. The double-axe, labrys, was the holy symbol of the Cretan labyrinth. The Homeric hymn adds that Apollo appeared as a dolphin and carried Cretan priests to Delphi, where they evidently transferred their religious practices. "Apollo Delphinios" or "Delphidios" was a sea-god especially worshiped in Crete and