Summary: it apparently reminded him of me. This was obviously BEFORE I invested in a Roomba robotic vacuum cleaner. (HIGHLY recommended by the way, and quiet enough not to take my mind off the game). Sorry, I've no idea where he sourced this and it's not signed so we can't even acknowledge the cartoonist. Here's a couple of links to popular pages on pokerlabrat.com :
Image Dimensions: 360 x 432
Image originally found here.