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:Tetanus RainbowRaw ChickenPeacock with its head in the groundFloating cat headSkullTransparent coffee cupBicycle wheels on a truckCalm Lake