2012, when thinking what to write for my CW diploma final assessment (1st chapters of a novel as I recall), I started with the main character: outwardly the complete 19th C gentleman - in reality anything but.He had to be a charming figure. Physically and in terms of manners - I visualised him like this fellah...
So there you have it, #GibbousHouse and the rest* of #TheMoffatTrilogy began from this.
Only old people will know: one of the daftest programmes of the '60s
* https://amzn.to/3UPtdAk