The Grinch Source/credit: marmusha What am I looking at? This Grinch illusion is a grumpy cat looking out of the window. His reflection fits nicely onto the Chrismas tree outside, making him look like the Grinch. More optical illusions:Transparent coffee cupDog jumping a giant holeGiant bullfrogCatfusionEye of GodAmish Men using a TruckAerial View of a BeachHidden ad in advertisement page