I think that Mister Cartoonist must have been drunk. If you look at the first two pictures then the mugs and the steam are slanted, and the steam ought to have been going straight up whatever the slope underneath, and the coffee (or is it tea?) was not spilling.
So, I think that drink must have been taken, and he was swaying when he was drawing it, and the ground was not hilly, but flat.
T Shepherd said:- “I’d love to see Cow and Cow form their own detective agency when they get back to the farm. ”
Hasn’t it been done already by Simenon? Moograit.