It is also spelled Geler[9] or Celer,[9][10] although this probably represents a misunderstanding of Celtic alveolar plosives and dental fricatives,[10] and is sometimes even teutonized to Killhart, Kilhart, or Gellert.
[9] According to modern historical belief, he was martyred in Beddgelert, although this is a misconception simply based on the town name's meaning ("Gelert's grave").
The heraldic Rous Roll of the 15th century, for example, depicted the arms of Wales as a helmet on which stand a dog and a cradle.
But it was finally applied specifically by a hotelier to the village of Beddgelert, named after an obscure, early-mediæval, local saint.
[14][15] Haydn set the poem to the tune of the Welsh air Eryri Wen, which means "White Snowdon [sic?
[16][17] In the Panchatantra, which dates back to oral traditions prior to 300 B.C.E., the villain is a snake, and the role of the dog is filled by a mongoose.