Hokhokw/Hoxhogwaxtewae/Hoxhok-of-the-Sky/Huxwhukw:

The Hokhokw is a mythical figure from Kwakiutl myth. It’s described as a monstrous bird with a long beak that serves as an attendant to the monster Bakbakwakanooksiewae. Its beak has a square tip to break open human skulls and consume their brains.

Citations:

Bane, Theresa. Encyclopedia of Beasts and Monsters in Myth, Legend and Folklore. United States, McFarland, Incorporated, Publishers, 2016.

Werness, Hope B.. The Continuum Encyclopedia of Native Art: Worldview, Symbolism, and Culture in Africa, Oceania, and Native North America. United Kingdom, Continuum, 2000.