Isamu Hasegawa (長谷川 勇)

Isamu Hasegawa (長谷川 勇) ( Hasegawa Isamu) is the uncle of David Hasegawa and the current head of the Hasegawa Clan.

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Isamu Hasegawa (長谷川 勇)
AKA Tekken
Date of Birth Unknown
Age 50
Height 5'10" / 178 cm.
Weight 220 lbs / 100.0 kg
Blood Type B-


Descendant of Kekowa Hasegawa, the current head of the Hasegawa clan, and uncle and sensei to David Hasegawa. Friend and ally to Liu Shi-Hui, he supported the colonist as a mercenary backer during the Eastern Segregation. He succeeded his older brother Takeshi after the war claimed his life. Having never gotten over the war, he expects his nephew to follow in his brother's footsteps to be ever vigilant and ready to fight, which resulted in a harsh and strict rearing by his hand.


As the successor and grand master of his clan, Isamu possesses formidable hand-to-hand skill in Kyoukushin-kai and Jujustu. He is also skilled in the use of a variety of traditional Japanese weaponry, particularly his family's calling card, battou-jutsu (draw-cutting). Along with his immense physical prowess, he also possesses some ability in chi manipulation, the extent of which is not known, but he was the one that taught David.

Though decent with firearms, he feels that they are 'dishonourable', and fought during the conflict in an a decidedly anachronistic fashion, felling machines of war with blade and limb. While this mindset cost him his left arm, the resulting replacement of it with a bionic unit allowed him to level mech frames with his punches, earning him the moniker 'Tekken' or 'Iron Fist'.


  • Isamu's appearance is based on actor Yasuaki Kurata
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