King Joe STORAGE Custom is a heavily modified version of the classic robotic kaiju King Joe, introduced in Ultraman Z. Built and operated by STORAGE, the special defense team, it serves as a powerful support weapon against giant monsters and threats to Earth. The unit combines the iconic King Joe design with upgraded equipment and tactical refinements, making it a standout ally in battle. It plays a major role in the series as STORAGE’s signature mecha and a symbol of human ingenuity.