Baymax is a robot that attempts to assist Hiro after Tadashi dies. Baymax is Hiro’s new hero, with removable armor. Hiro transforms Baymax from a balloon animal to a powerful robot. It helps Hiro fight off Yokai and protect the city.
Tadashi is an intelligent, hardworking boy. He understands the importance of working hard and maintaining good health. Tadashi supports his younger brother, Hiro. He is also very fit and taught Hiro karate. Baymax, who said Tadashi was in great form, has praised him for his health.
Hiro must participate in the school’s science competition and present his invention to impress the dean. Tadashi’s encouragement inspires him to think outside of the box, and he eventually comes up with the perfect invention. Hiro’s classmates, as well as Tadashi, praise him for his hard work.
In the meantime, Hiro finds out that Tadashi had invented a robot that can take care of his house and investigate the fire that killed his brother. To help him overcome his grief at the loss of Tadashi’s brother, Hiro forms a team with Baymax and Baymax to investigate the incident.
Although Tadashi’s childhood was not fully disclosed, we do know that his parents passed away when he was a young boy. He and Hiro have been living with his aunt since. Hiro has his own secrets. The two of them have an in-depth friendship.
Hiro’s father promises Hiro that he will take Hiro to a fight in a bot, but Tadashi’s dad isn’t convinced. He tries to persuade him to go to school by promising him that the bot fight will give him a job at the university. His father isn’t willing to let him go so he takes him to university to get his interest.
Tadashi was the brother of Hiro Hamada and a gifted robotics student. He created Baymax, the robotic healthcare companion that is the main character in Big Hero 6. Tadashi’s suicide, Hiro and Baymax, Tadashi’s best friends, form a team to investigate the “accident”, and find the killer. It is unclear if Tadashi will return in the sequel to the movie, but we’ll see.