Tetsuo Takeda (manga)

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Tetsuo Takeda
Tetsuo Takeda
English name
  • Tetsuo Takeda
Japanese name
RōmajiTakeda Tetsuo
  • Male
OrganizationNumbers Club
SchoolHeartland Academy
Manga debutYu-Gi-Oh! ZEXAL Rank 0011: "The Name's Yuma!!"
Appears in
MangaYu-Gi-Oh! ZEXAL
Takeda, Tetsuo

Tetsuo Takeda (武田鉄男, Takeda Tetsuo) is one of the main supporting characters in Yu-Gi-Oh! ZEXAL. He is one of Yuma Tsukumo's friends and is a Duelist.


Tetsuo is part of Yuma's circle of friends, together with Kotori, Cathy and Takashi. At school, when Yuma kept challenging himself with impossible tasks with his "kattobingu" spirit, Tetsuo usually made fun of him, while Kotori was always worried. Yuma used to Duel Tetsuo very often; however, he had yet to beat him.

One day, Kotori and Yuma found Tetsuo has been forced to Duel by Shark, and after being defeated, he took Tetsuo's Deck. Yuma confronted Shark, but Shark took his pendant and broke it. Enraged, Yuma challenged him to a Duel. Shark accepted, and said that they will Duel on Sunday, in the train station.

Tetsuo gives Yuma the remaining piece and walks away.

Yuma was searching for the other half of his broken pendant until it was late, Tetsuo appeared and told Yuma not to go, as he would never be able to win, which was a problem of his. Yuma declined, saying that that's already a problem of his as well, as Shark broke his most important thing. Tetsuo gave Yuma the other half of the pendant, saying that he found it accidentally. However, it can be clearly seen that Tetsuo was searching for it as well, judging by its hands. At Sunday, Kotori and Tetsuo watched the Duel to cheer Yuma on.[1][2] During the Duel, as Astral appeared to Yuma, Kotori worried about him talking "to himself". Yuma then asked if she and Tetsuo couldn't see Astral, and they said they couldn't.[3] when Yuma defeated Shark, Kotori and Tetsuo congratulated him.[4]

After Yuma's loss to Kaito Tenjo, Tetsuo, Takashi, Cathy, Kotori and Tokunosuke formed the Numbers Club in order to help Yuma.[5]

Later, the Numbers Club, Yuma and Astral, went to the Heartland Theme Park to find "Numbers".[6]

Tetsuo and the Numbers Club with their new outfits.

After their escape from the park, Yuma and the members of the Numbers Club gathered in Cathy's house. Tetsuo asked Cathy what she wanted to show them. She pressed a cat paw-like button, which opened a door leading to a big room, with many researchers and big computers. Cathy explained that as an apology for the trouble she caused with Cologne, the Numbers Club's headquarters would be established there, where they could look up mysterious phenomenons happening throughout the world, and therefore, locate the "Numbers".

Yuma told the Numbers Club that Astral told him that now he got three "Numbers", some of his memories have returned. Yuma asked Astral what he could remember, and Astral said his enemy was Dr. Faker, who planned to use the hidden powers of the "Numbers" to destroy the Astral World; However, it is linked to this world. So, if the Astral World dies, this one will die as well. The Numbers Club then decided to save the world from Dr. Faker.[7] The Numbers Club then started helping Yuma, wearing new super hero-like outfits.[8]

Injured, Tetsuo gives his Deck to Yuma.

Another day, the Numbers Club gathered at Cathy's mansion, when a big monitor detected a huge source of energy coming from a Duel involving a "Number". Tetsuo rushed there and found Eviluder, a Number Hunter. Meanwhile, Kotori called Yuma, who was sleeping at home, and told him about Tetsuo. They immediately went after him, but when they arrived, they found Tetsuo laying on the ground, injured. Tetsuo gave his Deck to Yuma in order to help him improve his Deck. Yuma took the cards and did so. After that, Tetsuo was hospitalized.[9]


The only known cards in Tetsuo's Deck are "Tin Archduke" and "Tin Balloons". He included the latter card in his Deck when he gave it to Yuma, who used the card against Eviluder.


Opponent(s) Chapter(s) Outcome
Yuma Tsukumo 1 Win (forty times; off-screen)[1]
Ryoga Kamishiro 1 Lose
Yuma Tsukumo SP1 Win
Kaito Tenjo SP1 Lose (off-screen)
Eviluder 22 Lose (off-screen)


  1. a b Yu-Gi-Oh! ZEXAL Rank 0011: "The Name's Yuma!!"
  2. Yu-Gi-Oh! ZEXAL Rank 0022: "A Mysterious Life-Form?!"
  3. Yu-Gi-Oh! ZEXAL Rank 0033: "Astral!!"
  4. Yu-Gi-Oh! ZEXAL Rank 0044: "The Light of Hope!!"
  5. Yu-Gi-Oh! ZEXAL Rank 01010: "New Enemies!!"
  6. Yu-Gi-Oh! ZEXAL Rank 01111: "Heartland!!"
  7. Yu-Gi-Oh! ZEXAL Rank 01919: "Messenger from the Moon!!"
  8. Yu-Gi-Oh! ZEXAL Rank 02020: "A Three-Way Battle!!"
  9. Yu-Gi-Oh! ZEXAL Rank 02222: "Commander!!"