nurarihyon; elusive yōkai resembling an old man with an elongated head
A yōkai from Japanese folklore, often depicted as an old man with a gourd-shaped head who slips into homes unnoticed and acts as if he owns the place.
Nurarihyon is a yōkai that slips into houses unnoticed and behaves shamelessly.
The nurarihyon in old tales has a long head and a gourd-like face.