When the wretched woolly pully first sprouted wings, I heard that it was AS the result of a less-than-serious letter to Air Clues from a Vulcan captain at Sunny Scampton.
Someone took it seriously and thought that it was a good idea....and the rest is history.
I remember being issued with the original 'official' RAF name tag - it looked cheap and tatty compared with the USAF model. But then so did the rest of our working uniform, apart from No 1 HD.