. In Taube 's revised Schellhas-Zimmermann classification of codical deities, Ixchel corresponds to the goddess O. http://en.wikipedia.org/wiki/Ixchel In Australian Aboriginal mythology , Ungud is a snake god who is sometimes male and sometimes female. He is associated with rainbows and the fertility and erections of the tribe's shamans . http://en.wikipedia.org/wiki/Ungud In