Joshua Granzer is former worker of Tanker Station 22, and is now assistant of Gregory Hizur.
Joshua was worker in Tanker Station 22, until it was attakced by the Fire Lord and his minions.
Joshua went to closes Speed Ship and flyed away from Tanker Station. He was later crashed to Makuhero City, where he joined to Hero Factory. He later become assistant of Gregory Hizur and helped him to build Omega Robot Armor with Hero Factory Staff members and Weapon Division.
He later helped Gregory Hizur to upgrade Dan Blosthon to XL-form.