The laziest pokemon I've ever seen are pretty much all first gen. Voltorb/Electrode are just balls. That's all they are. Balls with eyes.Grimer and Muk seems like a guy puking on the ground and going "Huh. Give that thing eyes and call it a poison-type...."Ditto was probably drawn in about forty-five seconds when one guy realized "oh crap, we're supposed to present our new pokemon concepts today."
Spell Muk backwards and you'll see how they got the idea for it. ;D
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