Gibil and Nusku are called 'sons of Anu'; Gibil, indeed, is spoken of as the first-born of heaven, and the image of his father.
On the other hand, the manner in which Ashurbanabal speaks of him reflects the mythological aspect of Nusku.
The god Sin remained over the (sacred) standard, two crowns upon his head, (and) the god Nusku stood beside him.
Associated with them is Nusku, the messenger of the gods, who was given prominence in Assyria.
A later—chiefly theoretical—amalgamation of Nabu with a god Nusku will be discussed in a subsequent chapter.