Gilgamesh and other cultural heroes fit in nicely. Giants of various sorts are mentioned in other cultures. The kings and or Queens of various middle eastern cultures where through gods through legacy or more simply gods. The Goddess Tiamat is responsible for much woo of the Deluge in it's older mesopotamian versions. She is the flood goddess and she is slayed, a servitor dragon is slayed too and from it's blood mankind were made to serve the Gods. Marduk so collects the elements and become King over the world in all it's four directions. Chinese myths of deluge also mentions a corresponding dragon fighting against other elements and puting them out of balance which resulted in flooding.If I don't rememer faulty. Greek religion also had a flood myth.