|Real Name||Tadashi Hamada|
|Family and Friends|| Hiro Hamada (Brother)|
Tadashi Hamada was a robotics genius. He was the older brother to fellow genius Hiro Hamada.
Tadashi designed Baymax for nursing purposes. He later died, prompting Hiro to befriend Baymax.
Tadashi is original to the film. In the comics, Hiro Takachiho (his last name changed for the film) is an only child.