Kappas live in the rivers and ponds of Japan. These green-skinned creatures are about the size of a ten-year-old child and webbed hands and feet. They are incredibly strong and have an unpleasant, fishy odor. Even stranger, they carry a large tortoiseshell on their back and have a circular depression on the top of their heads that is full of water. If the water is lost for any reason, the kappa's powers are diminished and if it isn't replaced soon, the kappa will die. Surpri