...the other slightly dubious link is Jimmy Nail as Gary More did work with him on his albums, and Gary Holten worked with him in 'Auf Wiedersehen.
Damn fine suggestions, but unfortunately still not the correct answer. To give any hint of a clue would most likely give the game away, but don't give up giving up just yet. As far as I'm aware, Tiger-Tiger is the only bloke so far who knows the answer.
They say that ignorance is bliss. Sadly, I see that the Mk2 version is equally as ignorant as the Wullie Mk1 - ergo the lucky fellow must be the most blissful person on the planet.