Theory:Hiro Nakamura

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The following fan theories are about Hiro Nakamura.

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Theories

Theory	Citations	Notes
Hiro is Takezo Kensei.	None.	+ The picture of Takezo in the museum looks a lot like Hiro in the future. + He can manipulate time, and he does end up in the past. + It cannot be a far off idea that he is the "Godsend" after he teleports into ancient Japan. + In the legend, Takezo Kensei finds his katana frozen in snow. Hiro found himself in a similar moment when Sylar froze his blade. + Hiro accidentally time-travels to ancient japan, most probably during the time of Takezo Kensei. (How to Stop an Exploding Man) Also, his ability to teleport could have given the ancient Japanese the idea that he is a godsend. - In an interview, George Takei strongly implied that Takezo Kensei is Hiro's ancestor. • If Takezo is Hiro's ancestor, it would be a grandfather paradox. - Hiro travels back in time and sees Takezo Kensei in ancient Japan. (How to Stop an Exploding Man)
Hiro's powers resulted from mutations in his grandfather's DNA. These mutations were caused by the atomic bomb dropped on Hiroshima.	Hiro's grandfather was a survivor of Hiroshima and died of cancer. (The Crane)	- In an interview, George Takei strongly implied that Takezo Kensei is Hiro's ancestor. He says that through that legendary samurai, he is bringing a lot of good DNA to this role. This means that Hiro's DNA mutations were obtained from Kensei, not the atomic bomb.
Hiro's grandfather is Patient Zero, the first of the evolved humans according to Chandra's research.	Hiro's grandfather was a survivor of Hiroshima. (The Crane)	+ His exposure to radiation could have caused him to develop special powers. Hiro's grandfather knew that Hiro would one day develop powers and introduced his grandson to comics fostering dreams of special abilities. - Radiation gives you cancer, not powers; otherwise Mrs. Sprague would have powers. • On the other hand, Hiro's father likely received a much smaller dose than Mrs. Sprague presumably got. Cancer is a type of genetic mutation, and Chandra Suresh believed that most powers first presented themselves as genetic mutations. - In Parasite, Mohinder reveals that his father called Sylar Patient Zero.
Hiro was adopted by Kaito Nakamura.	Claire was adopted by Mr. Bennet while waiting for her powers to manifest. (Company Man).	+ Hiro could have been adopted by Kaito while waiting for his powers to manifest. - It seems inconsistent with Japanese culture to offer leadership to an adoptive child over a biological child, but that could be a way to cover Hiro's non-biological relationship to Kaito or a reflection on latent sexism in Japanese culture. - Hiro's powers manifested fairly late in life, and would be extremely difficult for Mr. Nakamura (or anybody else) to detect. - In an interview, writers Aron Coleite and Joe Pokaski stated that Hiro is Kaito's son. • That doesn't mean that Hiro is his biological son. Claire is always referred to as "daughter" by Mr. Bennet, and she's not his biological daughter.
In the legend, Takezo Kensei finds his katana frozen in snow. Hiro could have went back in time and died in the fight with Dinosaur, or at any other time in the pre-historic period, and his sword was frozen over time. Takezo Kensei later found the sword, after Hiro had used it.	None.	• If Hiro got the sword after Takezo had it and Takezo got it after Hiro, that would suggest that the sword exists in a paradoxical time loop, never actually being created or destroyed. + Hiro is not present for the re-forging of the blade in the swordsmith's shop. It would be a simple matter for them to have handed him a different sword made to look the same. - In "How to Stop an Exploding Man", Hiro gave the sword to Ando as a promise that he would be back. • Isaac's paintings were not always completely Perfectly accurate. His depiction of Hiro fighting the dinosaur may have simply been how he saw Hiro posing in front of the model dinosaur after getting the replica.
Hiro did not kill Sylar because he used Ando's sword	None.	+ Isaac's comic showed Hiro stabbing Sylar with the Kensei sword. + Isaac's paintings did not always come true because of changes made by the characters.