That would be Charles A. Ridley, creator of the 1942 short film “Lambeth Walk: Nazi Style.”
Basically, Ridley edited the Nazi propaganda film “Triumph of the Will” to make it look like Hitler and the Nazi soldiers were dancing by reversing and speeding up the footage and taking audio of Hitler saying “Heil” and syncing it with the music.
It’s worth pointing out that “[Ridley] used the music because members of the Nazi party had called the tune “Jewish mischief and animalistic hopping”.” In short, well, up yours, mate.