originally it started out as a bodiless head that floated on top of the water. Luring fishermen.
Then due to a work of fiction in which it was written of. It became a little man, who would go into your house uninvited, and was incrediblly hard to get rid of. And almost on a whim it would seem, it became the leader of the one hundred demons march.
Currently it has been featured in a manga, known as Nurarihyon no mago. Where they are depictured as humanoid creatures with oblong heads covered in hair, making them look almost entirely human. In addition to having vast fighting skills, they can also move about undetected, and generate illusions.
When you are selecting the correct version of a mythos to use in a story, you have to be adamant in its aspects. depending on whether or not your using the current or the original versions changes the storyline. Over time the nature of the beasts change, and we need to decide whether to use the original or the current descriptions.
If you wish, for the sake of the Rp we can use the current depictions of all creatures, whether they match up with the original myth or not.
Welcome one and All to the Jesters Carnival, where the prizes are greater than your wildest dreams, but the nightmares here shall silence you before you can even scream.