Temple of Artemis image carried through the streets and surrounded by maidens. In the Roman Imperial era, the emperor Commodus lent his name to the festival games, and might have sponsored them. From the Greek point of view, the Ephesian Artemis is a distinctive form of their goddess Artemis. In Greek cult and myth, Artemis is the twin of Apollo, a virgin huntress who supplanted the Titan Selene as goddess of the Moon. At Ephesus, a goddess whom the Greeks associated with Artemis was venerated in an archaic, pre-Hellenic cult image that was carved of wood (a "xoanon") and kept decorated with jewelry.
Apollo twin sister. At Delphi, Apollo was venerated as the slayer of Pytho. For the Greeks, Apollo was all the Gods in one and through the centuries he acquired different functions which could originate from different gods. In archaic Greece he was the prophet, the oracular god who in older times was connected with "healing". In classical Greece he was the god of light and of music, but in popular religion he had a strong function to keep away evil. Walter Burkert discerned three components in the prehistory of Apollo worship, which he termed "a Dorian-northwest Greek component, a Cretan-Minoan component,