Speaking of Jell-O: I have heard, and perhaps this is apocryphal, that Tom Lehrer was the inventor of the Jell-O shot.
> Lehrer once stated that he invented the Jello shot during this time, as a means of circumventing the base's ban on alcoholic beverages.[18]
18. Boulware, Jack (April 19, 2000). "That Was the Wit That Was". SF Weekly. Archived from the original on November 28, 2018. Retrieved November 27, 2018.
https://web.archive.org/web/20181128164739/https://archives....
Full text at https://web.archive.org/web/20211025111743/https://archives.... for the time being. Save your copy while the Archive still exists!
Some years ago they asked me to have Jell-O, and - thinking of Lehrer - I replied that it's adult only, as you make it with alcohol. Much to my surprise that explanation stuck - and they never had Jell-O so far.