Lokha

The Lokha is a creature from the myths of the Seminole and Oklahoma Native Americans. They are described as a form of spirit animal that lives inside of a human. It emerges from the human mouth during sleep in the form of a chicken. In this form they steal and eat human hearts. People with Lokha in their bodies can be identified as their breathing sounds like a chicken.

Citations:

Gill, Sam D., and Sullivan, Irene F.. Dictionary of Native American Mythology. United Kingdom, Oxford University Press, 1994.