マシンロボ
Sho's Machine Robo Partner, he is the Machine Robo who specializes in Underwater Rescues. He has a cool accent and can understand with the animals of the ocean and he really loves the ocean. In Vehicle Mode, he resembles a Submarine/Powerboat Hybrid. In Robo and Hyper modes, he is like Police Robo except for the different features and design. When Sho gives the command, Submarine Robo and the Aqua Robos combine together to form Hyper Submarine Robo. His special attack is Bubble Smash.