Garzack serves as the non-transforming sub-commander within the Battle Hackers unit, an assemblage of misfit and unconventional Machine Robo warriors. He wields the distinctive "Garfire Special" as his primary weapon. Though featured in the anime series, no commercial toy of Garzack reached public release; an electronic prototype was designed for potential interaction with the show. This character remains exclusive to that anime, absent from other franchise media like OVAs, movies, or spin-offs.