Even earlier muppets. This one is a vicious bastard.
Wilkins Coffee
https://www.youtube.com/watch?v=LmhIizQQol0
That’s some dark stuff.
Pre-Kermit is a sick critter.
It’s even creepier that those voices got carried over.
I was never a fan of Kermit, but I’ll never look at him the same way again.