First: I love that name “Leonardo da Pinchy”!
Second: Hilarious! Cats do have quirks, and I can wholly see some cat doing this!
We had a beach house on the Northern Oregon coast when I was growing up.
Our dog, Mandy, would bring home shoes that were left outside by folks renting ‘beach houses’ who did not want to bring the sandy shoes in...
The owners knew there was was a sneak-thief with a penchant for shoes and NEVER left their shoes outside...