So, I figure why not add a fourth.
In all the versions of the songs I've posted, I've yet to include one where it's sung by Mel Brooks himself. So, let's rectify that. This comes from a one-man entertainment he put on at the Geffen Theater in Los Angeles in 2015, at the vibrant age of 89. And he not only sings the song (and tells the background how his wife Anne Bancroft talked him into writing it), but rightly thinks highly enough of the number that it's how he closed out the evening.
And by the way, as you'll note, despite this being a difficult song filled with high notes, he sings it terrifically,