Oannes

In Mesopotamian mythology, an amphibious being who taught mankind wisdom. Oannes, as described by the Babylonian priest Berosus, had the form of a fish but with the head of a man under his fish's head and under his fish's tail the feet of a man. In the daytime he came up to the seashore of the Persian Gulf and instructed mankind in writing, the arts, and the sciences. Oannes was