A silver wrestling robot used by Grimlord to guard the construction of a Weather Control Device. In battle, he can use wrestling maneuvers, such as a headlock on Ryan. After Ryan knocked him away, into a tree, his head was destroyed. Cannonbot grew a second, cannon-shaped head that was his namesake. After blasting at Ryan a few times, he was destroyed in battle against Ryan and his "Lightning Hand" command (the only time that Ryan called it the "Lightning Laser" command). In the "Defending Dark Heart" saga, Cannonbot was rebuilt and returned to prevent Ryan from making off with the real Dark Heart. In his battle against Ryan as seen in "Race to the Rescue," Zelton briefly took the form of Cannonbot since he fits the category of Zelton's army.