Back in the good old days it was Gareth Hunt from the Nescafe ads
Winthorpe Sim-Sala-Bim,
Sat 21 Nov 2015, 9:05,
archived)
he had a great shaking action in that wrist of his
(
lustreboy making himself laugh since 1973 (tm),
Sat 21 Nov 2015, 18:45,
archived)