Portrait time!

‘Smile’ said the Silverback.
‘Can’t’ sez I, ‘I’m a dog!’

‘Laugh then’
‘Can’t just laugh for no reason! Tell me a joke!’

‘Why did the Australian Cattle Dog cross the road twice?’
‘Don’t know’ sez I

‘It was chasing a boomerang!’ Says he.

Laughed so much I needed an extra pee!