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Hiro is the richest and smartest 13 year-old boy on Earth. Hiro was contacted by both Batman and Superman to aid them on the mission of destroying the large Kryptonite meteor that threatened Earth. He built a gigantic robot with an awkward appearance which was half-Batman/half-Superman. Batman used the robot to destroy the Kryptonite meteor.
- Jet Pack
- X-Ray Glasses
- 1 Appearances of Hiro Okamura (Superman/Batman)
- 1 Images featuring Hiro Okamura (Superman/Batman)
- Quotations by or about Hiro Okamura (Superman/Batman)
- Character Gallery: Hiro Okamura (Superman/Batman)