Kappa - mythical, supernatural creatures are a product of the Japanese imagination. Living on both land and water, they have snouts as well as fins, shells on their backs and a water filled dish on their heads. As long as the dish is full of water, Kappa keep their powers. Kappas Kawataro are known to be fans of Sumo wrestling and cucumbers, thus the "kappamaki' rolls found in sushi. Kappabashi, the chef and kitchenware area of Asakusa, Tokyo renowned for plastic food.