Kyōkotsu is a vengeful spirit who rises up out of wells to scare those who pass and curse those unfortunate to come into contact with it.
The Ikuchi (イクチ) is a massive sea monster who roams the open ocean and makes a nuisance of itself to sailors it runs across
Gozu and Mezu are the chief torturers for the Great King Enma and are the first encounter when entering Jigoku
Imagine someone calling you over, dropping their clothes and bending over to present you with a fantastic view of their naked butt. Congratulations! You've just met Shirime!