A soccer-playing member of the Build Team that transforms into a drill tank or drill jet mode. As the youngest member in Brave team, he has the mentality of a teenager and tends to acts childishly, which gets him scolded by Yuta or his teammates. He is a prankster, and loves to joke around. His main weapon his soccer ball, which turns into spiked soccer ball when used against enemies. When forming Super Build Tiger, Drillboy becomes the foot additions, torso addition and wings.
