Mabon, son of Modron; Gwyn, son of Nudd; and the son of Alun Dyfed. The story is cognate with that of Torc Triath in Irish mythology, and, indeed, Twrch Trwyth and Torc Triath are equivalent forms. In the Cymric tale it is Mabon who manages to retrieve a razor, lodged between the magical boar’s ears, that is needed by Culhwch to fulfil the tasks set him by Yspaddaden the Giant.

Tylwyth Teg

[W] The Welsh fairies of whom Gwynn ap Nudd became king.