Final answer:
A creature named 'Gef', said to be a talking mongoose, was the media sensation in the 1930s that lived in a farmhouse on the Isle of Man.
Step-by-step explanation:
The media sensation in the 1930s, known to live at a farmhouse on the Isle of Man, was a talking mongoose named 'Gef'. This curious tale tells of an extraordinary creature that captured public imagination with claims of it being able to speak and engage with its human hosts. 'Gef' became a topic of both skepticism and fascination, with some suggesting that it might have been an elaborate hoax or a case of collective delusion. Nonetheless, the story of the talking mongoose remains one of the more whimsical footnotes in the history of unexplained phenomena.