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When you realize your own future's gone to shit, all you have left is to live for someone else.
~ Seidou Takizawa

Seidou Takizawa (in Japanese: 滝澤 政道, Takizawa Seidō) is a former Rank 2 Ghoul Investigator that worked in the CCG's Main Office when he was a human and was a human protagonist of the series, but changed following the Raid on the 20th Ward and the battle with Aogiri Tree forces.

He was taken away and experimented on by Professor Kanou following the battle and was turned into an Artificial One-Eyed Ghoul. He's now a member of the Aogiri Tree and has embraced his new nature as a ghoul. He now hates humanity and uses his new powers to overthrow the human race and have ghouls ascend to power but whenever he faces his former comrades such as Akira Mado, he covers his face in shame of what he has become and runs away. He serves as one of the six main antagonists of the Tokyo Ghoul franchise, alongside Rize Kamishiro, Akihiro Kanou, Eto Yoshimura, Kichimura Washuu and Tsuneyoshi Washuu.

He was voiced by Micah Solusod.


Early Life

Back during his childhood he was an average child being the eldest of two children and lived a normal life. Sometime during his youth however, a ghoul had killed his elderly neighbor and it had shocked her mother. He decided to then enlist in the academy and joined the C.C.G. to help stop any more killings and murders being commitedd by ghouls. he knew Akira Mado when he ranked third to her 


Seidou first appears in chapter 48 of the manga in the Aogiri Arc. He first appears where he and two other fellow investigators; Kousuke Houji and Yukinori Shinohara are being deployed to the 20th Ward by the CCG's Main Headquarters to help deal with the situation of stand-alone ghouls who are active in the 20th Ward. The reason for the deployment was so the CCG's 20th Ward Division would become safer after the 11th Ward Division had become powerless and was overthrown by the Aogiri Tree. He is then introduced to Juuzou Suzuya but quickly becomes annoyed with him due to his rather childish and immature behavior. He then gets infuriated when he finds out that Juuzou was assigned to the 11th Ward Special Countermeasures Unit and is lower-ranking than he is causing him to get upset.

He's then seen congratulating Koutarou Amon after he was promoted to first-class investigator but he gets in a sour mood when Juuzou got the same promotion. He ignores him but after Akira Mado gets transferred over to his department, he gets even worse. Due to their rivalry in the past back at school, he is immediately not pleased with his new office partner and after she interrupts him and corrects him on his reports of research, he gets so mad that others start to worry about him until he gets better by sitiing down and talking with Hide at lunch in the cafeteria. During the Anteiku Raid, he's having dinner with his family prior to the raid and once the raid begins he's assigned to Squad 1 which is under Akira's command. He confronts many ghouls and he tries to save Amon which he does, but he is soon ambushed by a squad of Aogiri soldiers led by Tatara and he tries to fight them off.

While fighting, Tatara sees Seidou's Douhi and since it is made from the kagune of one of his lost friends back in China, he gets enraged and throws him into the air. This gives enough time for Noro to completely cut off his left arm. He then falls onto the ground and loses consciousness. He's soon declared dead but he is rescued by Kanou and with his newfound ghoul investigators, he quickly begins to experiment on them. Seidou is then officially turned into an artificial one-eyed ghoul and defects from the CCG and joins the Aogiri Tree. He's then seen at the auction observing the battles that are occurring and claims that he's starving. He's then sent into the auction area to deal with the situation there and manages to attacks and kill a small squadron of CCG Forces and even picks off one of the commanders' heads like a pineapple according to him. Seidou then encountered Haise Sasaki and the Quinx Squad and engages all of them. Sasaki fights him but Seidou overpowers him and begins to torture him until Hinami hears Kaneki over the intercoms. Hinami rushes in and saves Kaneki and briefly overpowers Seidou but he quickly begins to take her down and brutally injures her. Sasaki gets up and impales him with his kagune and soon, Arima and Squad 0 arrive and Seidou is forced to retreat but he reunites with Akira briefly and giggles a little before fleeing.

Seidou is later seen taunting Ayato Kirishima for wanting to rescue Hinami from Cochlea after she was arrested during the Auction raid. Later on, during the CCG's Rushima invasion, Seidou attacks investigator Chuu Hachikawa and kills him. As the squad led by Houji arrive at Rushima's base to confront Tatara, Seidou swoops down and interrupts, fighting against Tatara as revenge for when he captured him in the first series. Tatara attempts to kill Seidou by burning him, but fails. Seidou eventually gains the upper hand and finishes Tatara off by impaling him with his massive kagune. As Tatara slumps to the ground dead, Seidou turns to Houji and his squad, hoping to be accepted and acknowledged for what he's done. Instead, however, Houji solemnly orders his troops to execute Seidou, much to his great dismay. Angered, Seidou butchers all of the troops and beheads Houji, before fighting against Akira. 

As Seidou is about to kill her, his arm is sliced off by a then-presumed-missing Amon. Seidou cackles at his attempt and fights against both him and Akira, until Quinx Squad member Mutsuki enters the fray. Mutsuki stabs Seidou, who uses this to pull him closer and stab him back, taking the moment to laugh at his opponents expression. Mutsuki spits blood into Seidou's eyes and kicks him in the groin and pinned him down, preparing to finish him off. However, Akira protects Seidou and confesses her true feelings toward him, along with Amon. Seidou pleaded Akira to stop shielding him in grief. He is changed by this act of care and leaves Rushima alongside the CCG. He expresses concern for Akira's physical conditon from the stabbing and remains by her side. He fires back at the Clown ghoul Nico when he suggest getting her treated by Dr. Kanou, whom Seidou was tortured by between the series. Seidou later joined Kaneki's new organisation Goat in an effort to atone for what he had done. 


Seidou first appears in episode 9 of the anime where he is first sean introducing himself to his superiors. He appears later on working in the main offices and is forced to work alongside with Juuzou Suzuya much to his dismay. He's seen participating on the Aogiri Raid on the Ghoul Detention Center and encounters Tatara after he steps out of the Prison Command Center to back up Houji. When the CCG had launched a military operation against Anteiku in the 20th Ward, he's an active participant and encounters Aogiri Forces. Tatara throws him into the air at one point when they run into each other and Noro cuts off one of his arms as it seems. His Douhi is seen at the end of the season being damaged, bent, and stained with most likely his blood.

In season 3, he returns as a psychopathic one-eyed ghoul who first appears in episode 4 during the CCG raid on the Gourmet Auction run by Uta. Here, he is sent by Eto to defend the auctioneers, and does so by brutally slaughtering an entire squad of CCG operatives, followed by two agents he had once taught, while gleefully mocking them once they recognise him. He then attacks Haise Sasaki (the brainwashed Ken Kaneki).


As a human, Seidou looked like an average young man with short brown hair, parted bangs, and brown eyes. He wore a dark blue suit when working in the main office with a blue tie and a white undercoat as well. In combat he had standard issue CCG Soldier and Military gear and armor with him.

As a ghoul, he has drastically changed. His hair is now white and has grown past his chin and is also very messy. He dresses entirely in black wearing a dark black robe over him convering everything except his face, hands, and feet. He wears sandals and has black fingernails and lips. He also has dark circles around his eyes and his left eye is blakc for his kakugan. His kakuja mask is at first an incomplete version of an owl's face and the second one being a gigantic beast-like head.


As a human, Seidou had a straightforward personality. He was responsible and respected and looked up to his superiors. He took his job very seriously and was annoyed at Juuzou for his unruly behavior. He gets very mean-spirited and jealous after Akira Mado shows up and starts to out-perform him when looking up information about Aogiri. He was once easily jealous and was willing to do whatever it takes to appear as if he were the best.

After the became a ghoul, he changed dramatically. He had embraced his new dark side and was a complete ghoul. He has become more psychotic as he has no regard for human life and takes pleasure in brutally killing his victims. He no longer cares for humans and simply murders them and even picks off his former teammates' heads as if they were fruit in his eyes. He is mentally unstable and wants nothing more but to kill and slaughter all of the humans as he has embraced his ghoul side.

Powers and Abilities

  • Douhi: Seidou usually carried around a Douhi Quinque when he was an investigator. It is shaped like a crossbow and has significant power as it was able to kill two Aogiri members both with head shots. It appears to have average abilities compared to other Quinques.
  • Ukaku Kagune: After becoming a ghoul, he was given Yoshimura's kagune and had gained immense strength from it. He is able to bring up the spiked wings on his back and can form a massive blade over his shoulder which can cut through any human and Quinqe with little effort. Seidou can also fire a large series of plumeged spikes of RC Cells at long distances at enemies.
  • Kakuja: Seidou has obsorbed Yoshimura's kakuja and is able to bring up an incomplete version which is still powerful even if not complete. He can bring up the kakuja's shoulder spikes and blades and can use them against enemies when in combat.
  • Strength: Seidou is incredibly strong as a ghoul, he has the powers and strength to rip through humans and tear them apart limb from limb and is able to destroy more weaker quinques when being used against him. He at one point ripped a ghoul investigators head clean off of his blade and compared it to picking a pinapple.
  • Regeneration: Seidou has strong healing abilities as he is able to regrow his limbs if cut off. He can also heal much smaller wounds from attacks like bullets and stabs.
  • Agility: His agility along with his speed and sense of smell have all been enhanced. They are more powerful than a human's and he's much faster than one like all ghouls. He can move fast and outmanuver any Ghoul Investigator and CCG Soldier and can get the upper hand on them when in combat.


Like all ghouls, he can be weaker if enough Q-Bullets are used against him and can be easily weakened by human food. Due to the organs from Yoshimura, who was a very powerful ghoul, it is unknown if he even has the same weaknesses of a ghoul.