Shadow-Maru's alternate modes include a dog mode, police car mode, jet mode, tank mode, and later on a Brave Cannon mode. He originally preferred to operate as a lone wolf, but opened his heart after joining the Brave Police.

Similar to the rest of the Brave Police, Shadow-Maru is armed with a standard-issue revolver and a mechanical Brave Police notebook. His personal weapons include a pair of katanas, various shurikens, a kusarigama, a handheld rifle, Vulcan guns usable in Jet Mode.