Fun random fact, the tool used to animate the smurfs hats in 3 out of 4 CG smurfs films, was actually created for Doctor Manhattan’s junk for the original Watchmen film.
Sounds like a joke. Spring rigs and soft body physics have been included in various cg animation software for decades at this point.
I feel like there's more entertaining detail you're leaving out here.
Not much else tbh. It was just originally made to simulate a thing with an attachment at one point and that flaps around on the other. So his junk was the original because animators didn’t want to spend time animating it, but it naturally extends to floppy Smurf hats.
That's totally OK, because "some slacker animators figured out how to use the same tool that animated Dr. Manhattans giant blue cock for the Smurf hats in that insipid Smurf movie" is maybe the best bit of useless information I've been gifted in YEARS. I told my wife and she looked at me for probably 45 seconds before saying "what is wrong with you?". Perfect.