John Malone told me that Billy Connolly was a big McGonagall fan, so I did a bit of searching on Youtube and found this gem. Connolly recites McGonagall’s ‘poetry’ with great gusto, and says he was a great Scotsman. But even he states that McGonagall must have been quite mad. And that’s something coming from Connolly. Worth watching to the end to hear the story about the plate of peas!
But for the last word on McGonagall, here is Spike Milligan: