Member of the Build Team that transforms into a power shovel mode. His hot tempered personality often leads to quarrel in the team, especially with Drill Boy. He is close to Yuta's three friends, Masaki, Emily, and Kigumaro. He often wields nunchaku or Karate stick, a two section staff and is a fan of Kungfu. He often uses Kung Fu moves when engaged in a fight. When forming Build Tiger or Super Build Tiger, Power Joe forms the arms.
