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.
Rainbow Serpent Similarly, the Rainbow Serpent can inspire social movements. Art historian Georges Petitjean has suggested that the identification of the Rainbow Serpent with various genders and sexualities helps to explain why the rainbow flag has been adopted as the symbol of lesbian, gay, bisexual, and transgender communities. Politically, for example, the Rainbow Serpent was adopted as the symbol of an anti-uranium mining campaign in Australia, using the notion that the mining would disturb the Serpent and cause it to seek revenge as a metaphor for environmental destruction. Rainbow Serpent The Rainbow Serpent or "Rainbow Snake" is a common deity (also known