Good one, Alex
Been a while since I last read the words to tie me kangaroo down...
The most amazing thing is Rolf is still going strong 46 years later having moved to the UK.
His most recent fame was to paint a portrait of the Queen:
Source
No doubt our British members will find Rolf a familiar sight on their TV screens as he hosted an animal hospital show over there for many years too.
Quite the evergreen.