Tadashi Hamada (Big Hero 6)

Tadashi Hamada was a robotics genius. He was the older brother to fellow genius.

Biography
Tadashi designed for nursing purposes. He later died, prompting Hiro to befriend Baymax.

Background
Tadashi was voiced by Daniel Henney. He is known to Marvel Comics film fans as Agent Zero in X-Men Origins: Wolverine.

Tadashi is original to the film. In the comics, Hiro Takachiho (his last name changed for the film) is an only child.