I am guessing you know the PDQ Bach "half act opera" called "The Stoned Guest", but your Don Giovanni discussion brought it delightfully back to mind for me: Don Ottavio's usual haplessness is so much of what makes that parody work-- the "Don Octave" aria "Look at me" is high on my list of the funniest things Schickele z"l ever wrote.
I am guessing you know the PDQ Bach "half act opera" called "The Stoned Guest", but your Don Giovanni discussion brought it delightfully back to mind for me: Don Ottavio's usual haplessness is so much of what makes that parody work-- the "Don Octave" aria "Look at me" is high on my list of the funniest things Schickele z"l ever wrote.