The Loch Ness Monster (Uilebheist Loch Nis), affectionately known as Nessie, is a creature in Scottish folklore that is said to inhabit Loch Ness in the Scottish Highlands. It is often described as large, long-necked, and with one or more humps protruding from the water. Popular interest and belief in the creature has varied since it was brought to worldwide attention in 1933. Evidence of its existence is anecdotal with a number of disputed photographs and sonar readings.
The scientific community explains alleged sightings of the Loch Ness Monster as hoaxes, wishful thinking, and the misidentification of mundane objects. The pseudoscience and subculture of cryptozoology has placed particular emphasis on the creature.
In August 1933, the Courier published the account of George Spicer's alleged sighting. Public interest skyrocketed, with countless letters being sent in detailing different sightings describing a "monster fish," "sea serpent," or "dragon," with the final name ultimately settling on "Loch Ness monster." Since the 1940s, the creature has been affectionately called Nessie (Niseag).
The earliest report of a monster in the vicinity of Loch Ness appears in the Life of St. Columba by Adomnán, written in the sixth century AD. According to Adomnán, writing about a century after the events described, Irish monk Saint Columba was staying in the land of the Picts with his companions when he encountered local residents burying a man by the River Ness. They explained that the man was swimming in the river when he was attacked by a "water beast" that mauled him and dragged him underwater despite their attempts to rescue him by boat. Columba sent a follower, Luigne moccu Min, to swim across the river. The beast approached him, but Columba made the sign of the cross and said: "Go no further. Do not touch the man. Go back at once." The creature stopped as if it had been "pulled back with ropes" and fled, and Columba's men and the Picts gave thanks for what they perceived as a miracle.