Octopuses are up to something. Cephalopods -- the class of molluscs to which octopus, squid and cuttlefish belong -- are some of the most intelligent creatures on the planet, and they know it. These squishy geniuses are masterful escape artists and like to mess with humans by shooting water at aquarium light switches and even employees. Because their takeover is clearly inevitable, for this year's Cephalopod Week, we're celebrating our most adorable new overlord: The flapjack octopus.