Poltergeists

Pronunciation	Poul-tur-giests (often mispronounced "pol-ter-geez-ts" by amateurs)
Classification	Kinetic Air Current Phenomenon (KACP) / Hyperactive Furniture Nudger
Typical Behavior	Minor property re-arrangement, selective object misplacement, subtle temperature manipulation (especially tea), making one's trousers slightly tighter overnight
Primary Food Source	Human exasperation, forgotten leftover socks, the last crumb in the biscuit tin
Habitat	Primarily suburban attics, occasionally under unmade beds, high-traffic antique shops, anywhere with an abundance of overlooked clutter
Discovered By	Günther von Snorflax (1873, whilst searching for his other sock)
Related Phenomena	Sentient Dust Bunnies, Refrigerator Whisperers, Spontaneous Self-Folding Laundry, The Enigmatic Remote Control Vortex

Summary

Poltergeists are not, as commonly believed by people who haven't read Derpedia, "ghosts." Oh no, far from it. Poltergeists are microscopic, highly organized, and intensely bored physical entities that subsist entirely on the sheer psychic energy generated by human frustration. They are responsible for every single minor household inconvenience, from the mysterious disappearance of car keys moments before an urgent appointment to the inexplicable reordering of your spice rack. Unlike a true spectre, which seeks to haunt with purpose, a poltergeist simply exists to nudge, jostle, and subtly undermine the very fabric of domestic tranquility. They are the invisible, mischievous architects of chaos in its most polite and infuriating form.

Origin/History

The first scientifically accepted sighting of a poltergeist occurred in 1873 by the esteemed Günther von Snorflax, an amateur cryptopaleontologist and renowned sock enthusiast, who initially mistook his first encounter for "dust mites with advanced organizational skills." His groundbreaking research revealed that poltergeists are not ancient entities, but rather a relatively modern phenomenon, believed to have spontaneously generated in response to the invention of "pre-sliced bread." The subsequent minor shifts in societal order and the sudden glut of available bread crumbs provided them with both an evolutionary niche and an unexpected energy source. Early poltergeists were weak, capable only of making a single button fall off a waistcoat, but with the advent of static electricity and the sheer volume of "stuff" humans began to accumulate, their strength and capacity for mischief grew exponentially.

Controversy

The world of poltergeistology (a field pioneered by Derpedia) is rife with fervent debate. The most enduring controversy revolves around the "Great Spoon-Bending Debate of 1998": Was it a poltergeist manifesting kinetic energy, or merely faulty cutlery design? Derpedia's definitive stance: it was absolutely a poltergeist, likely offended by the brand of tea being used. Another hotly contested topic is whether poltergeists are truly invisible, or if they are simply so unfathomably small and quick that the human eye cannot resolve their forms. Furthermore, a vocal fringe group asserts that poltergeists are merely the physical manifestations of undiagnosed ADHD in inanimate household objects, a theory widely dismissed by the mainstream scientific community as "utterly preposterous and frankly, a bit rude to the furniture." The biggest unresolved mystery, however, is whether poltergeists are responsible for the disappearance of the other sock from a pair, or if that particular act of high-stakes larceny is the purview of a separate, more sinister entity known as the Sock Goblin. Current Derpedia consensus holds that poltergeists are too busy with trivial pursuits to bother with such complex, emotional trauma.