|Affiliation||Photon Power Laboratory|
|Family and Relations||Koji Kabuto (Older Brother)|
|Voice Actor||Maho Shimao|
Shiro Kabuto is the younger brother of Koji Kabuto. He often seen with playing with an RC car and is given talents not seen in other series.
Shiro's appearance is based on the anime having brown hair and and black eyes and stands at the average height for a preadolescent boy. He wears a green short sleeve shirt with red outlines, jean shorts and brown sneakers.
Shiro has a rather cheeky personality believing he could do things better than anyone else including his brother in piloting Mazinger ZIP!. He is a fan of AKB48 and likes to listen to their songs.
Shiro has many talents that even Koji was not aware of. He is able to make an industrial robot arm out of milk cartons for a school project and have it function to degrees that seem impossible. He is also a very skilled painter able to paint pictures in the Jet Scrander in the styles of Picasso, Yayoi Kusama, and several other artists. Shiro even infiltrated the hideout of Baron Ashura alone and provide information to stop his/her plan. He also has talents in business, using Mazinger ZIP!'s popularity Shiro managed to commercialize dolls and DVDs to make a profit and his gift in New Years was investment.
- Shiro is shown to be a fan of AKB48 and jazz music.