Io Hokari is the former Bottle King and father of Ryou Hokari. He is the president of the Bottleman Management Association (BMA). His father is Suezou Hokari, the founder of BMA.<br /> <br /> His name comes from Pocari Sweat, a Japanese brand of sports drink, and its Pocari Sweat Ion Water product.<br /> <br /> (Source: Bottleman Wiki)<br /><br />