水虎 - Suiko the Water tiger

水虎は、3〜4歳の児童ぐらいの大きさで、体は矢も通さないほどに硬い鱗に覆われている。Suiko (means water tiger) is about the size of a 3 or 4-year-old child, and their bodies are covered in scales so hard that even an arrow can't penetrate them.