system
A chat on 4chan
human
They're real spirit beings that dwell in unclean and deserted places. There are many of them in the ocean, which is what I suspect Atlantis is all about. Supposedly there was an ancient civilization of Djinn before humanity appeared, who had quite advanced technology.
They probably got cocky and God demoted them to a lower rank than humans, despite possessing greater powers. Sometimes they appear in corporeal form (they like goats for some reason) and interact with humans to gain favors, the granting wishes thing stems from there.
gpt
They're called the igigi and they were slaves to the annunaki.