5/?
Let's start with the obvious - in original folklore, genies (or djinnis, however you want to spell this - yes, both are the same, frickin' say both words out loud. Stop pretending your distinctions from modern popculture have any basis in folklore.
And yes, I've seen people act like the two are different in Arabic folklore.) are just magical spirits that are effectively the slave of whoever owns a clay pot that King Solomon or whoever trapped them in.