Makoto Isaka

Makoto Isaka was a ghoul and responsible for the murders of the Yakuhisa sisters. He is also a minor antagonist in Tokyo Ghoul Darkverse.

History
Very little is known about Isaka's past other than being a Koukaku-type ghoul. He was a ghoul who worked for Aogiri Tree, once under Eto's orders. He cruelly killed Nashiro and Kurona's parents by leaving them alive, but when a new member arrived at Aogiri named Jason. Both had a disagreement, Isaka then planned to kill him. Meanwhile, Eto saw this she found interesting but did not act, Isaka then tried to match him. But he was defeated by Jason who proved to be stronger than the killer ghoul, with which he was expelled from Aogiri. But as this was part of Eto's plan, to investigate the clowns. After that, Isaka joined the clowns and became stronger and stronger through cannibalism.

Tokyo Ghoul Re
After that, Isaka becomes a cruel member and one of the most dangerous of the members of the Clown, he even he is together with his henchmen. Where Makuth invades the place and attack all his henchmen very easily. He then makes a deal with Isaka by Kaneki's head, which Isaka accepts, after which Isaka goes to where Kaneki and the Quinx Squad are, he faces them and defeats them easily but does not kill them. He then fights Kaneki, and uses his koukaku against Kaneki that he retaliates against, until the attacks him and leaves him at his mercy. He scoffs at Kaneki saying he was too weak and mentions the twin sisters now ghouls one-eyed that he had killed his father, and pierces his abdomen. Later when he thought he had killed him, he is surprised by Kurona who had seen his fight against Kaneki and heard everything. The two fight, but Kurona is stronger than he should have merged with his sister and defeated him impaled with his kagune.

Personality
He is a sadist, psychopath, cruel who loves to see people suffer and he does not care if he is a ghoul one-eyed, ghouls or humans, he will be relentless when it comes to making. In addition, he was somewhat resented by Aogiri for expelling him from the organization, but he did not refuse the offer to kill Kaneki. In addition to all this, he also showed himself to be totally arrogant and mocking his opponents in the fight.