Since we will be dealing with Genies in at least one of our stories here is a little primer on them.
Genies are the fairy people of the middle-eastern world. We have fairies, sprites, goblins, elves, etc. They have Genies. One big difference is that their mythical creatures are dealt with in scripture, so doctrinally, for many people, they exist.
Genies are created of smokeless fire, and fall somewhere between angels and humans. Like humans they have free will and their own societies, courts and kingdoms. There are also separate classes of genies with different appearances and powers.
Although we generally think of genies granting wishes, for a genie to be imprisoned in a lamp or a ring and granting wishes to humans is not the norm. This raises, for me, some questions about the genies in the Aladdin story. Why are they imprisoned? Who put them there? What class of genie are they? I think we can give our genies an good back story and make them interesting characters with that in mind.