Figures mentioned in Genesis 6:1–4 and Numbers 13:33 of the Hebrew Bible (and elaborated in Second Temple texts such as 1 Enoch), whom modern Ancient Astronaut Theory equates with the Mesopotamian Anunnaki.
Nephilim Connection (comparative hypothesis), Watchers Connection (Enochic parallel), Elohim (West Semitic divine term), Zecharia Sitchin (proponent)