The wendigo is a being.
Ithaqua ( the Wind-Walker or the Wendigo ) is a fictional character in the Cthulhu Mythos of H. P. Lovecraft . In Algonquian folklore , the wendigo or windigo is a cannibal monster or evil spirit native to the northern forests of the Atlantic Coast and Great Lakes Region of both the United States and Canada . The wendigo may appear as a monster with some characteristics of a human , or as a spirit who has possessed a human being and made them become monstrous . Wendigo ( occasionally : Wen-Di-Go ) is a fictional monster appearing in American comic books published by Marvel Comics .