What does Google know? It can only repeat other peoples mistakes and regional variations.
I KNOW it was Puffer-billies. I used to listen to 'Listen With Mother', so that makes me an expert.

And before anyone from across the water asks, Listen with Mother was a 15 minute radio programme on BBCs Home Service for 'mothers and children at home' (i.e. under 5s) with a song or two and a story
'Are you sitting comfortably? Then I'll begin'