-According to Tadashi, Hiro graduated high school at the age of 13.

-According to Hiro, his parents died when he was 3.

-He is the second Disney hero who wanted revenge for his older brother's death, the first being Kenai from Brother Bear.

-Hiro is also the second Disney hero to have his brother die during the film 😢

-Both Kenai and Hiro's movies have the same editor, Tim Mertens

-Unlike Kenai, Hiro doesn't have a love interest!! (YAY!!)