Gin

The Djinn is a vicious and cruel creature who desires freedom so he can wreak havoc on the planet and do whatever he pleases. Although he claims he can fall in love, he cares little about whether her feelings are reciprocated or whether he has a legitimate husband. Furthermore, the Djinn openly states that he would simply kill her husband to marry the widow. But he's perfectly willing to kill everyone simply because he wants to, which suggests a possessive interest in the girl and everything that happens, rather than genuine feelings. He doesn't value his servant, Al, and readily betrays him when necessary.
Sometimes the Genie pretends to have rules, for example, by "officially" challenging his opponent to a duel for a lady's heart. In reality, this is all just a pretense—the Genie easily breaks all his agreements when he finds himself losing. He also tends to be smug, displaying his supernatural powers to show how superior he is to his opponents.
Overall, Genie is well aware that he is evil and does not even intend to hide it.

High Intelligence - The Genie is highly intelligent and cunning. In a conversation with Ferapont, he himself admits that they are all treacherous creatures. He was able to devise a plan to escape from his jar and also somehow subjugate Alu ibn Sina, the exhibition organizer. The Genie also knows how to manipulate other characters, making them make wishes and granting them in a way that furthers his own plans. For a long time, he successfully disguised himself as a donkey to avoid detection.
Limited Omnipotence - freed from the wills of others, the Genie gains virtually limitless powers: he can materialize objects out of thin air, and can push or levitate people. However, he is highly dependent on the jar he resides in: if someone wishes for the Genie to enter the jar, the spirit itself cannot prevent them and is obligated to fulfill their wish.
Metamorphism - Djinn is capable of shapeshifting. He hid for a long time as a donkey, and could also assume any form at will.
Wish-granting is his primary ability, allowing the Genie to grant any wish. To do so, one must knock on the jar three times and make a wish. However, the Genie cannot grant wishes, which greatly angers him.

Dark purple skin, a white but not very long beard (5-10 cm), and no hair on his head. His eyes are narrow but neat, and their color can change. If I'm Jin and I'm angry or incredibly excited, they change so that the whites of the eyes become black and the irises are scarlet.
He is dressed in an oriental style, reminiscent of traditional Arabic or Indian clothing. For example: dark blue Aladdin pants, an orange sleeveless cape/pancho with a wide collar, and a wide blue belt on his legs. He may wear round glasses that obscure his eyes.