Kappa

Kappa are mischievous water creatures in Japanese folklore with turtle shells and a dish on their heads holding water for strength. They challenge humans to sumo or pull them into rivers but respect politeness and cucumbers. Ancient tales warn children of river dangers through these tricksters., - Dish on head (sōzu) - Beak and shell - Loves cucumbers - Strength drains if dish empties - Skilled in medicine,