Hogwarts staff of the Marauder's Map (the Weasley twins, Harry, Ron and Hermione), and Voldemort himself. He tends to favor almost sadistically harsh punishments, and gleefully allies himself with Umbridge when she prescribes such punishments on students. He has an obsessive dislike of mud, animate toys, and all other things that might interfere with his desire for an immaculately clean and orderly Hogwarts. He is also portrayed as having a constant antagonism towards Peeves the poltergeist and often tells Dumbledore that Peeves should be thrown out of Hogwarts. He also likes to wander Hogwarts corridors at night, presumably in the hope of
Poltergeist including the United States, India‚ Japan, Brazil, Australia, and most European nations. Early accounts date back to the 1st century. The word "poltergeist" comes from the German language words "poltern" ("to make sound" and "to rumble") and "Geist" ("ghost" and "spirit"), and the term itself translates as "noisy ghost", "rumble-ghost" or a "loud spirit". A synonym coined by René Sudre is "thorybism", from Greek "thorybein" ("to make noise or uproar; throw into confusion"). Many claimed poltergeist events have proved on investigation to be hoaxes. Psychical researcher Frank Podmore proposed the 'naughty little girl' theory for poltergeist cases (many of which