Tylwyth Teg is the most usual term in Wales for the mythological creatures corresponding to the fairy folk of English and Continental folklore and the Irish Aos Sí. Other names for them include Bendith y Mamau, Gwyllion and Ellyllon.
Origins
The term tylwyth teg is first attested in a poem attributed to the 14th-century Dafydd ap Gwilym, in which the principal character gets perilously but comically lost while going to visit his girlfriend: "Hudol gwan yn ehedeg, " weak enchantment flees, / long burden of the Tylwyth Teg.
Attributes
In later sources the tylwyth teg are described as fair-haired and covet golden-haired human children whom they kidnap, leaving changelings in their place. They dance and make fairy rings and they live underground or under the water. They bestow riches on those they favour but these gifts vanish if they are spoken of, and fairy maidens may become the wives of human men. These fairy wives are however still bound by traditional taboos. They must be careful to avoid touching iron or they will vanish back to their realm never to be seen by their husbands again. As the Bendith y Mamau they are sometimes described as stunted and ugly. They ride horses in fairy rades and visit houses where bowls of milk are customarily put out for them. A changeling story tells of a woman whose three-year-old son was stolen by the fairies and she was given a threefold instruction by a "cunning man" on how to get him back. She removed the top from a raw egg and began stirring the contents, and as the changeling watched her do this certain comments he made established his otherworldly identity. She then went to a crossroads at midnight during the full moon and observed a fairy rade in order to confirm that her son was with them. Lastly she obtained a black hen and without plucking it she roasted it over a wood fire until every feather dropped off. The changeling then disappeared and her son was returned to her. According to the folklorist Wirt Sikes the Tylwyth Teg may be divided into five general types: the Ellyllon, the Coblynau, the Bwbachod, the Gwragedd Annwn and the Gwyllion. The ellyllon inhabit groves and valleys and are similar to English elves. Their food consists of toadstools and fairy butter and they wear digitalisbell flowers as gloves. They are ruled by Queen Mab and bring prosperity to those they favour.
Popular culture
Frank Herbert's Heretics of Dune includes two characters called Tylwyth Waff and Miles Teg.
C. Robert Cargill's novel Dreams and Shadows features the Tylwyth Teg as a child snatcher.
In Kelley Armstrong's fantasy novel series Cainsville the Tylwyth Teg and Annwn are the main themes, but it is not initially obvious until the later books when the history of such myths are revealed.
The chapter The Fairy Island in Frances Jenkins Olcott's anthology The Book of Elves and Fairies for Story-Telling and Reading Aloud features the Tylwyth Teg as water-fairies living on an island abundant with flowers and fruit.
In the third season of the HBO series True Blood, which itself is based on The Southern Vampire Mysteries by Charlaine Harris, Sookie Stackhouse finally learns that she is a human/faery hybrid and therefore why she possesses certain unique special abilities. the 'Ellyllon' is one of the terms used to describe what her race is, as well as the terms Finodrerr, the Old People, the Fae and Aliens.
