The Knocker, Knacker, Bwca (Welsh), Bucca (Cornish) or Tommyknocker (US) is the Welsh and Cornish equivalent of Irish leprechauns and English and Scottish brownies. In modern pagan mythos the Bucca is the name of a Cornish sea or fertility Deity, transformed from descriptions of the Bucca or spirit inhabiting mines in nineteenth For the Cornish-English dialect see West Country dialects and List of Cornish dialect words. The Cornish people (Kernowyon are regarded as an Ethnic group of the United Kingdom originating in Cornwall. Ireland (pronounced /ˈaɾlənd/ Éire) is the third largest island in Europe, and the twentieth-largest island in the world In Irish mythology, a leprechaun (leipreachán England is a Country which is part of the United Kingdom. Its inhabitants account for more than 83% of the total UK population whilst its mainland Scotland ( Gaelic: Alba) is a Country in northwest Europethat occupies the northern third of the island of Great Britain. About two feet tall and grizzled, but not misshapen, they live beneath the ground. Here they wear tiny versions of standard miner's garb and commit random mischief, such as stealing miner's unattended tools and food.
Their name comes from the knocking on the mine walls that happens just before cave-ins – actually the creaking of earth and timbers before giving way. To some of the miners, the knockers were malevolent spirits and the knocking was the sound of them hammering at walls and supports to cause the cave-in. To others, who saw them as essentially well-meaning practical jokers, the knocking was their way of warning the miners that a life-threatening collapse was imminent.
While some variety of "little people" was common to all Celtic and northern Germanic peoples, the origin of knockers probably comes from early Welsh mythology, in which they may have been the pre-Brythonic inhabitants of the Celtic west of Britain. Little People Celts (ˈkɛlts or /ˈsɛlts/, see Names of the Celts The Germanic peoples are a historical group of Indo-European -speaking peoples originating in Northern Europe and identified by their use of the Germanic Welsh mythology, the remnants of the Mythology of the pre Christian Britons, has come down to us in much altered form in medieval Welsh manuscripts The Brythonic languages (or Brittonic languages or British languages) form one of the two branches of the Insular Celtic language family the other being Celts (ˈkɛlts or /ˈsɛlts/, see Names of the Celts Skilled in the arts of mining and tunnelling, they taught these arts to the Britons. These legends may have influenced Tolkien's concept of the Dwarves, consummate miners and stoneworkers who taught these skills to men. DWARF is a widely used standardized Debugging data format. DWARF was originally designed along with ELF, although it is independent of Object file
According to some Cornish folklore however, the Knockers were the helpful spirits of people who had died in previous accidents in the many tin mines in the county, warning the miners of impending danger. Cornwall ( Kernow ˈkɛɹnɔʊ is the most southwesterly county of England, on the Peninsula that lies to the west of the River Tamar To give thanks for the warnings, and to avoid future peril the miners cast the last bite of the pasties into the mines for the Knockers.
In the 1820s, immigrant Welsh miners brought tales of the knockers and their theft of unwatched items and warning knocks to western Pennsylvania, when they gravitated there to work in the mines. Events and trends Nationalistic independence helped reshape the world during this decade Greece gains independence from the Ottoman Empire The Commonwealth of Pennsylvania ( often colloquially referred to as PA (its abbreviation by natives and Northeasterners is a state located in the Northeastern Cornish miners, much sought after in the years following the 1848 gold rush, brought them to California. The Cornish people (Kernowyon are regarded as an Ethnic group of the United Kingdom originating in Cornwall. Year 1848 ( MDCCCXLVIII) was a Leap year starting on Saturday (link will display the full calendar of the Gregorian Calendar (or a Leap A gold rush is a period of feverish migration of workers into the area of a dramatic discovery of commercial quantities of Gold. California ( is a US state on the West Coast of the United States, along the Pacific Ocean. When asked if they had relatives back in Cornwall who would come to work the mines, the Cornish miners always said something along the lines of "Well, me cousin Jack over in Cornwall wouldst come, could ye pay ’is boat ride", and so came to be called Cousin Jacks. Cornwall ( Kernow ˈkɛɹnɔʊ is the most southwesterly county of England, on the Peninsula that lies to the west of the River Tamar The Cousin Jacks, as notorious for losing tools as they were for diving out of shafts just before they collapsed, attributed this to their diminutive friends and refused to enter new mines until assured by the management that the knockers were already on duty. Belief in the knockers remained well into the 20th century. When one large mine closed in 1956 and the owners sealed the entrance, fourth, fifth, and sixth generation Cousin Jacks circulated a petition calling on the mineowners to set the knockers free so that they could move on to other mines. The owners complied. 
Coblynau are mythical Gnome -like creatures that are said to haunt the mines and quarries of Wales. The kobold is a sprite of German folklore. Although usually invisible a kobold can materialise in the form of an animal fire a human being and a mundane A gnome is a Mythical creature characterized by its extremely small size and subterranean lifestyle A gremlin is a folkloric creature commonly depicted as mischievous and mechanically oriented with a specific interest in Aircraft. Peter and the Piskies Cornish Folk and Fairy Tales is a 1966 anthology of 34 Fairy tales from Cornwall that have been collected and retold by Cornish emigration consists of Cornish Emigrants and their descendants in other parts of Great Britain and in countries such as the United States Mining in Cornwall first began in the early Bronze Age approximately 2150 BC and ended with the South Crofty tin mine closing in 1998