Wong recently made his TV network debut on CBS 'Letterman show - the hugely popular US late-night talk show - with dead-pan delivery on immigrants, family life and driving.

In three separate field trials - the most recent in Sudan last year - Hassanali's team showed that even minute doses of PAN could stop hopper bands dead in their tracks and make them break ranks.

The great god Pan is dead, as a voice was heard to cry by sailors in the age of the Roman emperor Augustus.