Tutu is a Babylonian and Akkadian god. He is the tutelary god of the Borsippa

Borsippa

Borsippa was an important ancient city of Sumer, built on both sides of a lake about southwest of Babylon on the east bank of the Euphrates. The site of Borsippa is in Babil Governorate, Iraq and now called Birs Nimrud, identifying the site with Nimrod...

, near Babylon

Babylon

Babylon was an Akkadian city-state of ancient Mesopotamia, the remains of which are found in present-day Al Hillah, Babil Province, Iraq, about 85 kilometers south of Baghdad...

, during the reign of Hammurabi

Hammurabi

Hammurabi Hammurabi Hammurabi (Akkadian from Amorite ʻAmmurāpi, "the kinsman is a healer", from ʻAmmu, "paternal kinsman", and Rāpi, "healer"; (died c...

, but is later superseded by Nabu

Nabu

Nabu is the Assyrian and Babylonian god of wisdom and writing, worshipped by Babylonians as the son of Marduk and his consort, Sarpanitum, and as the grandson of Ea. Nabu's consort was Tashmetum....

.

In the Enuma Elish

Enûma Elish

The is the Babylonian creation myth . It was recovered by Austen Henry Layard in 1849 in the ruined Library of Ashurbanipal at Nineveh , and published by George Smith in 1876.The Enûma Eliš has about a thousand lines and is recorded in Old Babylonian on seven clay tablets, each holding...

it says of Tutu that he "devises the spell by which the gods may be at rest" and that "he is supreme among the assembly of the gods and no one among them is his equal". Another version states Tutu "silences weeping and gives joy to the sad and ill at heart".