Nannar

Nanna (also called Suen) is a Sumerian god in Mesopotamian mythology. He is the god of the moon and the son of Enlil and Ninlil. His sacred city was Ur. The name Nanna is Sumerian for "illuminator."
See more at Wikipedia.org...

[Mesopotamian] Early Sumerian name for the moon-god better known by his Babylonian name of Sin.

Nannak or Nannar (Chaldean) A name of the moon deity Sin, son of Mulil or Mul-lil, especially at Nippur, the principal seat of what was termed Chaldean magic. The Akkadians called him the Lord of Ghosts. In Chaldean or Assyrian mythology, the derivation of Nannak (the moon) from the sun is characteristic; whereas in the earlier mythology the moon is stated to be far older than the sun.