Soooo... at the end of September, the Season Premiere of The Masked Singer featured a "Leaf Sheep".
Here is the clip:
https://youtu.be/Eg9esNUQRKc?si=DO4oStXhOau9tWQ6
It turns out the singer was John Elway. It doesn't appear that anyone realized this was a Costasiella kuroshimae, a nudibranch or even a slug but hey, at least a species is in the spotlight!
A lot of divers call this guy "Shawn the Sheep".
