This image is hilarious, mostly because it's just so unexpected. You have no idea something that clever will appear. It really does keep you guessing for a brief time. It seems like such an obvious joke too. I love how exaggerated his face is. It's really the bulbous nose that comes across.
John K. is a big fan of those. I keep mentioning him in my reviews. He really does have an interesting blog. That cane almost looks like his IV. I like the little tassles, like the hole in the shoe.