Thought Entities

 are the manifestations of strong emotions left behind by the departed. Thought Entities take on many malicious forms and are first the primary enemies introduced in.

Appearance
Malicious Thought entities take on many forms. (See List Below)

List of Thought Entities

 * Jellyfish
 * Hands
 * Wild Shiba
 * Indigo Jellyfish
 * Wild Boxer
 * Kakurenbo Ghost
 * Pigeon
 * Hellhound
 * Older Kakurenbo Ghost
 * Crying Woman
 * Crows
 * Fuchsia Jellyfish
 * Night Owl
 * Sobbing Woman
 * Security Robot
 * Firestarter
 * Red Kakurenbo Ghost
 * Marionette
 * Crimson Woman

Bosses

 * Tracker
 * Evil Tree Spirit
 * Giant Star-Nosed Mole
 * Demolition Crane
 * Shin

Trivia

 * If the player loses all Hit Points (i.e. dies), a short scenes plays showing a jellyfish floating in blackness. This can possibly show that Seto's emotions manifest as one of the Jellyfish thought entities in death.