Everybody enjoys a good Christmas puzzle - but this one threatens to ruin the festive season.
Created by Dutch artist Gergely Dudas, the image has already received more than 500,000 likes and 70,000 shares in several days.
Since going viral the illustration has divided the internet, with some spotting the furry creature within seconds and others falling into a self-imposed torture for all eternity.
Check out the full picture below and let us know if you can spot it.
We'll give you a clue, it's next to a snowman. Merry Christmas.
Follow @TheDudolf on Twitter for more puzzles: