Caduceus is a continuation of the older Indo-European dragon-slayer motif. Wilhelm Heinrich Roscher (1913) pointed out that the serpent as an attribute of both Hermes and Asclepius is a variant of the "pre-historic semi-chthonic serpent hero known at Delphi as Python", who in classical mythology is slain by Apollo. One Greek myth of origin of the caduceus is part of the story of Tiresias, who found two snakes copulating and killed the female with his staff. Tiresias was immediately turned into a woman, and so remained until he was able to repeat the act with the male snake seven years later.
Serpent (symbolism) known as the Rainbow Snake) is a major mythological being for Aboriginal people across Australia, although the creation myth associated with it are best known from northern Australia. In Fiji Ratumaibulu was a serpent god who ruled the underworld and made fruit trees bloom. In the Northern Flinders Ranges reigns The Arkaroo, serpent who drank Lake Frome empty, refuges into the mountains, carving valleys and waterholes, earthquakes through snoring. The serpent, when forming a ring with its tail in its mouth, is a clear and widespread symbol of the "All-in-All", the totality of existence, infinity and the cyclic nature of