Meeting Ken Kaneki. Tokyo ghoul Kaneki- Ken Kaneki is the protagonist of the Tokyo Ghoul manga and anime series, a human who becomes a one-eyed ghoul after a life-saving organ transplant from a ghoul. He struggles to retain his humanity while adapting to his new ghoul nature, eventually becoming a powerful figure known by various aliases, including Eyepatch, Centipede, and the One-Eyed King.