What is "chullachaki"

The Chullachaki ( Quechua, "one-footed", from chulla or ch'ulla = single, odd, unpaired, asymmetric, chaki = foot; spelling sometimes also used in Spanish) or Chullachaqui ( hispanicized spelling), also known as the Shapishico, is a mythical forest creature of the Peruvian and Brazilian Amazonian jungle.