Ghoul
From Jenny Everywhere Wiki
In the Prime Universe, ghouls were a type of corporeal spirits, who normally resided in the Spirit Realm. Like any other kind of spirit, goblins of the Spirit Realm could only linger on the corporeal plane in the universe to which they were anchored, or by possessing a vessel on a different universe. On Halloween 2019, the Crew of the Copper-Colored Cupids and Madame Tarsa faced and ultimately defeated the Great Ghost's legion, which had escaped from the Spirit Realm and included poltergeists among many other spirits. (PROSE: The Ghosts and the Machine)