A thread on the djinn:
According to Islamic lore, they try to listen in to the angels discussing fate and are driven off with fiery missiles—hence shooting stars.
They frequent ruins
The djinn of the ring is a type of Ifrit while the more powerful djinn of the lamp is a type of marid.
A Qutub is a bestial Ghul
The more malicious Qarinah can also appear as a beautiful woman and is associated with sleep paralysis.
They mate with humans and the offspring is a Nasnas a hybrid creature with half a head, one hand, and a single leg.
The Nasnas is related to the Somali xungruuf.
Ibn Kathir relates that the jinn and hinn waged war on one another. They also feature prominently in Alawite cosmology
They has no form, but always sounds like someone you know. If you hear a disembodied voice of a loved on, it may be a Hatif
He was cast out and became Shaiytan.
They are associated with astrology and magic and watched over by angels.
For his treachery he was bound in an iron chest and cast into the sea.
Historically they may have their origin in local spirits of the land, or tutelary deities and perhaps may be related to the concept of Genii.
It is said if you find a black cat, snake, or dog in your house it is likely a djinn.
There is some crossover with other spirits in global folklore