The Kyōkotsu is a skeletal Yokai found in Japan. The Kyōkotsu is described as a skeletal spirit

The Kyōkotsu is a skeletal Yokai found in Japan. The Kyōkotsu is described as a skeletal spirit wearing ragged clothes and having long, dark, and tangled hair. The Kyōkotsu is the spirit of someone who died in a tragic way and was not given a proper burial which caused their spirit to become vengeful and full of malice. The Kyōkotsu are said to live in wells and rise up out of them and scare people and even put curses on them when they are disturbed. The name “ Kyōkotsu” means “Crazy Bones”