Shark King is an antagonist character in Dobutsu serving as a boss. He is the ruler of the Shark Kingdom at has allied with Hori's Kingdom. In his younger years, Shark King was a feared pirate. Legend of his endeavors are told to those who want to venture to the Black Seas, the territory of the sharks. After his crew disbanded after losing to the 7 Sea Lords, Shark King and the other sharks joined Hori's Kingdom, and begain to terrorize the ocean. A hardy warrior, Shark King gets a thrill out of battle. He will not hesitate to attack when he sees a worthy adversary. Shark King also takes enjoyment in destruction, sending his troops to attack any boats or ships sailing along the ocean.