Anunnaki
The 200 Grigori
The Grigori are a group of fallen angels described in biblical apocrypha, who mated with women, giving rise to Nephilim.
The Nephilim are mysterious beings or people in the Hebrew Bible who are described as being large and strong.
The Aessir landed on planet Earth in search of gold. The Aessir were similar to humans, while advanced, in many ways, they were still tribal.