I think
he is scratching his bottom with the other arm.
(
Yo 'Ho of Charlie mass-market saucetrepreneur,
Tue 6 Dec 2011, 20:30,
archived)
And what about the wonky smile and the fallen button?
Stop denying his bravery!
(
Photoshop Bitch 2014 edition,
Tue 6 Dec 2011, 20:32,
archived)