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Callaghan’s in there. Someone has to help.
~ Tadashi before his death.

Tadashi Hamada is the overarching protagonist of Disney’s Big Hero 6 franchise. He was Hiro Hamada's older brother, the eldest nephew of Cass, and genius inventor of Baymax.

He was voiced by Daniel Henney. In the Japanese dub from the movie, he was voiced by Kotaro Koizumi.

History

Backstory

Tadashi was born as the first-born son of Mr. and Mrs. Hamada, who had a second son named Hiro a few years later. When Hiro was around three years old, Mr. and Mrs. Hamada died, resulting in Tadashi and Hiro being taken in by their aunt Cass.

Big Hero 6

Ten years later, Tadashi comes to Hiro's aid after he is pursued by the goons of Mr. Yama, whom Hiro beat in a bot fight. As the brothers drive away on Tadashi's motorbike, the former berates Hiro for taking part in bot fights as they are illegal. Tadashi, Hiro, Mr. Yama and the goons end up being arrested by the police, with Hiro getting his own cell (due to being a minor) and Tadashi having to share a cell with Mr. Yama and his goons. That night, the two are bailed out by Cass, who scolds them as she drives them back to their home at the Lucky Cat Cafe.

Despite what has happened, Hiro wishes to attend a bot fight taking place across town, to which Tadashi offers him a lift. However, Tadashi instead takes Hiro to his university, the San Fransokyo Institute of Technology where they meet Tadashi's friends Wasabi, Go Go Tomago, Honey Lemon and Fred. Tadashi then takes Hiro to his lab and shows him his invention; an inflatable healthcare robot named Baymax. Hiro then meets his idol and Tadashi's mentor Robert Callaghan, who convinces Hiro to join the university. In order to be enrolled, Hiro has to take part in a science fair to convince Callaghan to let him join.

Back home, when Hiro struggles to think of an invention, Tadashi tells him to look at a different angle. This convinces Hiro to create Microbots, which impress Callaghan enough to let him join the university. Afterwards, Cass announces a celebratory dinner at the cafe. Tadashi tells her that he and Hiro will catch up with her and the others, so the brothers can have alone time. Tadashi congratulates Hiro on being enrolled moments before noticing fire coming from the Institute's showcase hall. After hearing from a survivor that Callaghan is still inside, Tadashi runs inside the burning building to try and save his mentor, telling Hiro that someone has to help. Hiro attempts to go in after his brother, only to be knocked out by an explosion, which kills Tadashi. A vigil was held outside the convention. Weeks later, Baymax says how Tadashi loves Hiro so much before he died and how he built Baymax.

Hiro later learned that the fire wasn't an accident and that Callaghan had started the fire to steal the Microbots and blamed Tadashi for his own death, enraging Hiro, until Baymax managed to calm him down by showing him videos of Tadashi testing him until he was right and expressed excitement of showing Baymax to Hiro.

At the film's end, Hiro along with Big Hero 6 avenge the death of Tadashi by defeating Callaghan and turning him over to the police for his crimes. In the closing credits, we then see that some time afterwards, a new building is built in Tadashi's honor, "Tadashi Hamada Hall", likely meant to be a replacement to the Technical Institute's showcase hall where Tadashi died.

Gallery

Trivia

  • Chris Pratt, Will Ferrell, Will Arnett, Nick Offerman, Charlie Day, Louis C.K., Steve Carell, and Jim Parsons were all considered for the role of Tadashi.
  • Tadashi is similiar to Mufasa.
    • Both were wise and caring relative to the protagonists. Tadashi was Hiro's brother and Mufasa was Simba's father.
    • Both are lecturing the protagonists for their actions. Tadashi scolding Hiro for bot-fighting and Mufasa scolding Simba for going to Elephant Graveyard and put Nala in danger.
    • Both are showing the protagonists something wonderful. Tadashi showing his brother a Baymax and Mufasa telling Simba about the Pride Lands and being a king.
    • Both tried to save someone from threats. Tadashi dies in an explosion when he tried to save Callaghan from a fire whilst Mufasa saves Simba from a wildebeest before being thrown back into his death by Scar.
    • Both of their deaths have a major impact to the protagonists. Hiro seeks revenge on Callaghan for the death of his brother and Simba runs away from the Pride Lands out of guilt.
    • Both encouraging the protagonists, which made them move on with their life and confronting the main antagonists. Hiro had a change of heart after seeing a video of Tadashi creating Baymax and Simba returned to the Pride Lands after the spirit Mufasa told him that he is the one true king.
    • Both of their deaths inspired the protagonists into brought onto their legacy. Hiro and his friends honor Tadashi's memory by helping people and Simba become the new king of the Pride Lands.
  • In the early drafts of Big Hero 6, Tadashi, along with Hiro, was originally going to be Cass's son rather than her nephew.

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See Also
101 Dalmatians Heroes | 20th Century Studios Heroes | A Bug's Life Heroes | A Twisted Tale Heroes | Aladdin Heroes | Amphibia Heroes | Atlantis Heroes | Beauty and the Beast Heroes | Big Hero 6 Heroes | Buena Vista International Heroes | Buzz Lightyear of Star Command Heroes | Cars Heroes | Disney Fairies Heroes | Disney Junior Heroes | Disney Prince | Disney Princesses | DuckTales Heroes | Encanto Heroes | Finding Nemo Heroes | Fish Hooks Heroes | Frozen Heroes | Gargoyles Heroes | Gravity Falls Heroes | Hercules Heroes | Incredibles Heroes | Inside Out Heroes | Kim Possible Heroes | Kingdom Hearts Heroes | Lilo & Stitch Heroes | Luca Heroes | Marvel Cinematic Universe Heroes | Milo Murphy's Law Heroes | Monsters, Inc. Heroes | Mulan Heroes | Muppet Heroes | Narnia Heroes | Onward Heroes | Peter Pan Heroes | Phineas and Ferb Heroes | Pirates of the Caribbean Heroes | Pixar Heroes | Ratatouille Heroes | Raya and the Last Dragon Heroes | Recess Heroes | Soul Heroes | Star Wars Heroes | Star vs. the Forces of Evil Heroes | Tarzan Heroes | The Hunchback of Notre Dame Heroes | The Jungle Book Heroes | The Lion King Heroes | The Little Mermaid Heroes | The Princess and the Frog Heroes | The Owl House Heroes | Toy Story Heroes | Treasure Planet Heroes | Turning Red Heroes | Wander Over Yonder Heroes | Winnie the Pooh Heroes | Wreck-It Ralph Heroes | X-Men Movie Heroes | Yin Yang Yo! Heroes | Zootopia Heroes

           Big Hero 6 logo.png Heroes

Big Hero 6
Hiro Hamada | Baymax | Honey Lemon | GoGo Tomago | Wasabi | Fred

Other
Tadashi Hamada | Cass Hamada | Alistair Krei | Abigail Callaghan | Karmi | Professor Granville | Globby | Felony Carl | Mini-Max | Megan Cruz | Chief Diego Cruz

Comics
Big Hero 6 (Hiro Takachiho | Baymax | Honey Lemon | GoGo Tomago | Fredzilla | Wasabi-No-Ginger | Sunfire | Ebon Samurai) | Wolverine | Mariko Yashida