The Ao Ao is often described as being a voracious, gluttonous, and unquenchable sheep-like creature with a massive set of fangs. Alternatively, it is also described as being a large, carnivorous peccary. Its name is derived from the sound that it makes, howling "Ao ao ao!" when it is pursuing its victims. The original Ao Ao is said to have profound reproductive powers and thus sometimes is identified as being the Guaraní spirit of fertility. Ao Ao produced many offspring who are cursed in the same manner, and collectively they served as lords and protectors of the hills and the mountains.Ao Ao is said to have humans as its sole source of food. Although the creature is clearly not human in description, it is at least half-human by birth, which accounts for its cannibalism. According to most