Tuyul who always smiles and laughs. He always told me that he always wanted to be able to fly like a bird, maybe you can take him on a plane.

Tuyul are described as supernatural beings in Indonesia, the creature is believed to be kept by a person that practicing pesugihan tuyul black magic. A popular belief that human can own Tuyul to do several things for his/her own benefit and make the owner rich. It is said to originate from unborn babies, so it's look like a bald child, and tend to have childish behavior.

It will wander at night, stealing money from the neighbourhood for it’s owner. But it doesn't come with a free price. If the master is male, one of the female family must "breastfeed" them in return (actually it was blood that it sucked). If the master violates the rules and treat them bad, bad things will come unto the owner.