Tadashi Hamada

Tadashi Hamada (voiced by Daniel Henney) is a major character in Disney's 2014 animated feature film Big Hero 6. A gifted robotics student living in San Fransokyo, he was the older brother of Hiro Hamada and the creator of Baymax, a robotic healthcare companion.

Tadashi's sudden death in a mysterious fire catalyzes the events of the film, leading Hiro, Baymax and Tadashi's best friends to band together to investigate the "accident" and catch the culprit responsible for it.