... Sun; literally the Day Sun, thus distinguishing him from Han-y-tuwee (Hahng-yay-too-wee) the night sun, (the moon). They are twin brothers but Anptuwee is the more powerful Han-y-tuwee receives his power from his brother and obeys him. He watches over the earth while the Sun sleeps. The Dakotas believe ... — Legends of the Northwest • Hanford Lennox Gordon