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 cause the "spooky movement of objects blamed on poltergeists." Parapsychologists Nandor Fodor and William G. Roll suggested that poltergeist activity can be explained by psychokinesis. Poltergeist activity has often been believed to be the work of malicious spirits by spiritualists. According to Allan Kardec, the founder of Spiritism, poltergeists are manifestations of disembodied spirits of low level, belonging to the sixth class of the third order. Under this explanation, they are believed to be closely associated with the elements (fire, air, water, earth). Poltergeist In ghostlore, a poltergeist (; German for "noisy ghost" or "noisy spirit") is a type of