Theory:Takezo Kensei

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The following fan theories are about Takezo Kensei.

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Theories

Theory	Citations	Notes
Takezo Kensei is the ancestor of Claire.	None	+ They both have the power of rapid cell regeneration. + Matt and Maury both have the same power, and Maya and Alejandro have powers that are connected, so family relations are likely to have an effect on the power. + They both have blonde hair - possibly a result of genes being passed down. + In an interview it was hinted that Kensei was the ancestor of Hiro. If that is true, then there is a large chance that so is Kaito. Angela admitted to sleeping with Kaito, meaning that Nathan might be Kaito's son. Since Claire is Nathan's biological daughter, if all this is true, then she is related to Kensei. - Nathan is very obviously not Japanese, and neither he nor Claire show Japanese facial characteristics. - Kensei is not Japanese, he just traveled there from England as hinted at in Generations.
Takezo Kensei's ability is longevity.	None	+ In Godsend, we learn that he is born in 1584. Hiro goes back in time to 1671 and finds Takezo who doesn't look like he is 87 years old. + He was shown to have died after being shot with three arrows, but came back to life. • Takezo Kensei is confirmed to have the power of rapid cell regeneration. However, this could work in the same way as longevity, given that the aging cells and tissues and what not would heal themselves due to Kensei's ability. + Rapid cell regeneration means the cells keep healing and when we age our cells die, so the cells will heal and he doesn't age. + Our cells start to die after 25 and Kensei looks about 25 when hes ment to look 87.
Takezo Kensei's ability has a side effect: Kensei's personality changes each time he is revived.	None	+ Kensei's dying words to Hiro were: "Maybe I'll be your hero the next time 'round." - It appears Kensei didn't know that he had the power of rapid cell regeneration. He could really have meant reincarnation in a different form. + Kensei's dying words in Kaito's tale were "Here is my love". + If this theory is accurate, it might explain how Kensei could become Kane. - His personality didn't seem to change afterwards. He still showed interest in wanting to be rich and not take his destiny seriously.
If the theory about Hiro being the Dragon of Kiso Mountain is true, then Takezo Kensei and Yaeko might travel along with Hiro to the future.	None	+ In the Sword Saint Chapter 4 Part 2 video, one of the professors says that after Kensei ripped out his own heart, nobody knows what happened. The professor guesses that Kensei and Yaeko might have traveled along with the Dragon of Kiso Mountain, and they were "never to be seen again". + Kensei might be so helpless and condemned to his "conscience", that he might even go to the future with him.
Takezo Kensei is the ninth founding member of The Company.	None	+ Takezo Kensai is Adam, possible the Adam Monroe who founded the company. + In "Lizards" Noah Bennet says that there are a series of 8 paintings done by Isaac Mendez. These could be the death of 8 of the founding members of the Company by the ninth member, Takezo Kensei. • 9 is an important number in Heroes. - The eight paintings have been revealed, and none of them, except the one where Hiro is fighting Kensei has Kensei in them. + The Symbol is first used by Kensei, and has since been adopted by the company, as well as others.
Takezo Kensei's actual power is postmortem regeneration.	None.	+ When Hiro pulled the arrow out of Kensei's chest he seemed to die first and then regenerate. - In Kindred he is shown to cut his arm and it regenerated without him expiring.
Takezo Kensei is the ancestor of several or maybe all evolved humans	None.	+ He is from England, but it is in Japan at 1761, he could have multiple affairs around the globe, leading to multiple offsprings that carried his genetic potential. + this fits his pre-Hiro personality perfectly + Claire and Niki have blond hair like him. Claire has tis power too. + he was alive far enough in the past for any physical trait to be "watered down" through generations, additionally, blond hair and blue eyes are recessive traits and would more easily to "vanish" trough generations and his (possible multi-racial) offspring could blend better with the general population in they areas. • All characters have connections. - Even after so many generations, this may imply incest.
The man played by David Anders is not the real Takezo Kensei.	None.	+ In Godsend, we learn that he is born in 1584. Hiro goes back in time to 1671 and finds Takezo who doesn't look like he is 87 years old. • We stil don't know if rapid cell regeneration can make people age slowly. + He claimed to never realized that he was able to regerate before, and his behavior (rather cowardly) confirms that. He would likely to have noticed that he still young looking at 87 and people at time didn't live that long. - The birth date could be incorrect; after over 300 years, there are bound to be at least small errors in something which was legendary to begin with.
If Kensei truly does become Kane, he may have became a villian because of the tortured life of living forever while his loved ones die.	None	+ Yaeko could not have lived to be with Kensei up to the 21st century. + Many fictional stories involving a villian with long life have a backstory of suffering while loved ones die from aging. + In "The Line", Hiro kisses Yaeko, and later on writes to Ando, calling it "the kiss that changed history". Later in the scene, Kensei looks on with an angry look on his face, and later betrays Yaeko, her father, and Hiro. This could be what turns him into Kane.
Kensei's ability allows him to live forever.	None	+ Rapid cell regeneration means the cells keep healing and when we age our cells die, so the cells will heal and he doesn't age. + He doesn't look over 25 (which is when our cells start dieing) when in 1671 we meet him, by that time he is 87 years old. + Returns as Adam in present day and has not aged at all.
The story of Takezo Kensei is a combination of the stories of the original Kensei (Adam Monroe) and Hiro Nakamura, who becomes the new Kensei.	None	+ Yaeko says that Hiro is the true Takezo Kensei to her. This could be foreshadowing. (Out of Time) + Hiro "cuts out his heart" by leaving Yaeko and returning to the future.
Takezo Kensei/Adam Monroe Killed Kaito Nakamura to take revenge for what Hiro did in feudal Japan.	In 'Out of Time' he told Hiro: "you will suffer".