The Optical Illusion That’s Going Viral. “Jackal, Jackal, Jackal,It’s a Jackal” London, ON, Canada / (CFPL FM) FM96 London Travis Pelletier May 17, 2016 07:40 pm Arron Bevin posted this photo to Facebook on Monday. He says it’s the best optical illusion he’s seen. Do you agree? Looks like a brick wall to me. Once you see it. You can’t unsee it.