Atum

Atum created everything. He created himself and is the ancestor of all other gods.

Atum is also connected with the evening sun.

Atum was considered to be the first god. At first there was nothing but water. Then Atum created himself, sitting on a mound called benben). Since the Nile flooded every year, when the waters went down, you could see mounds of earth appearing. The benben is associated with the top stone of a pyramid