Claim: George Waldron seems to be the sole definitive written authority on Moddey Dhoo(a phantom black hound in Manx folklore that reputedly haunted Peel Castle) which he transcribes as "Mauthe Dog".
Evidence: The Moddey Dhoo /ˈmɔːðə ðoʊ/ (Manx Gaelic, meaning "black dog") is a phantom black hound in Manx folklore that reputedly haunted Peel Castle on the west coast of the Isle of Man. The English topographer and poet George Waldron seems to be the sole definitive written authority of this folklore localized in the castle. Waldron transcribes the original Manx name "Moddey Dhoo" as "Mauthe Doog", and describes the dog thus: