Ken Kaneki is the main character of the manga and anime series Tokyo Ghoul, created by Sui Ishida. He is a college student who becomes a half-ghoul after a near-fatal encounter with a ghoul named Rize Kamishiro. This transformation forces him to navigate a world where he must balance his human side with his new ghoul instincts. As a half-ghoul, Kaneki possesses enhanced strength and regenerative abilities, but he also struggles with his identity and the moral implications of consuming human flesh. Throughout the series, he evolves from a timid individual into a more complex character, facing various challenges and conflicts within the ghoul and human societies.