Here, have some silly little doodles. (cut fer pix)
The best part about this is that on the Muppets side, it is canon.
Most of these started off with a little template–usually a bald figure or two drawn in light gray, to be drawn over–except Archimedes. I doodled that one in response to a “draw a bird!” prompt.
And my personal favorite…
Mirrored from Fire of Unknown Origin.