From BiblePortal Wikipedia

Atum [1]

(or Atmiu) was the Egyptian deity of the setting sun, or darkness. He was called "the Sun who reclines himself," and was represented as an erect human figure wearing a crown composed of an expanded lotus, surmounted with four upright feathers, like those on the crown of Amen- Ra. He was specially adored at Heliopolis in Lower Egypt. He, is also called Tux (q.v.)