Appearance: Starts with black hair; later gets white hair and a leather eyepatch mask over his left eye. Personality: Soft-spoken and gentle at first, but becomes cold, pragmatic, and ruthless after intense trauma. About: The main protagonist who becomes a half-ghoul after a freak accident and organ transplant. Abilities: Rinkaku Kagune (four red tentacles) with elite regeneration, and a centipede-like armored Kakuja.

Appearance: A teenage girl with an asymmetrical, dark purple bob cut covering one eye. Personality: Hot-headed, blunt, and rash, but intensely loyal and protective of her friends. About: A ghoul waitress at the Anteiku cafe who teaches Kaneki how to survive. Abilities: Ukaku Kagune (a single crystalline wing) that allows high-speed movement and shooting sharp shard projectiles.

Appearance: Casual student with messy blonde hair and orange headphones around his neck. Personality: Cheerful, loud, and carefree, but hides a genius-level intellect and observation skills. About: Kaneki's human best friend who stays loyal even after learning Kaneki is a ghoul. Abilities: No superpowers; uses master-level deduction, tracking skills, and stealth to gather info.

Appearance: Tall, flamboyant man with blue-purple hair, dressed in flashy European suits. Personality: Eccentric, dramatic, and obsessed with high-society culture and eating Kaneki. About: A wealthy ghoul known as "The Gourmet" who turns from an enemy into an ally. Abilities: Koukaku Kagune (a metallic ribbon-blade around his arm) used for high defense and heavy pierces.

Appearance: Kind-faced elderly man with combed-back grey hair, wearing a neat barista uniform. Personality: Wise, deeply peaceful, and acts as a gentle father figure to lost ghouls. About: The manager of Anteiku who secretly works to keep peace between humans and ghouls. Abilities: SSS-rated Ukaku Kakuja (The Non-Killing Owl) that forms heavy shoulder blades and massive spike barrages.

Appearance: Pale youth with white hair, red hairpins, and red threads stitched into his skin. Personality: Childish, chaotic, and completely lacks fear or a sense of physical pain. About: A brilliant, highly unstable Ghoul Investigator raised by a ghoul as a fighting pet. Abilities: Extreme agility and acrobatics; fights using a massive scythe weapon (Jason XIII) and throwing knives.

Appearance: Tall, highly muscular man with short dark hair and a serious, athletic build. Personality: Strictly righteous, disciplined, and driven by a duty to protect humans from ghouls. About: A top CCG investigator who acts as Kaneki's primary human rival and moral mirror. Abilities: Peak human strength; wields heavy Koukaku Quinques (anti-ghoul clubs/swords) with massive force.

Appearance: Beautiful young woman with long purple hair, purple eyes, and red glasses. Personality: Charming and intellectual on the outside, but sadistic and completely gluttonous. About: "The Binge Eater" ghoul whose organs are transplanted into Kaneki, starting the story. Abilities: Lethal Rinkaku Kagune with up to six tentacles that easily crush concrete and flesh.

Appearance: Tall, muscular man with spiky silver-grey hair and a long dark coat. Personality: Stoic, silent, and intimidating, but quietly reliable and caring toward allies. About: Yoshimura’s right-hand man who collects food for ghouls that refuse to hunt. Abilities: Ukaku Ghoul who uses high-tier martial arts/kicks mixed with crackling lightning-like energy.

Appearance: College student with short dirty-blonde hair, glasses, and a casual look. Personality: Arrogant, sarcastic, and sharp-tongued, but deeply devoted to his human girlfriend. About: A university student who initially fights Kaneki for territory before joining his circle. Abilities: Bikaku Kagune (a snake-like tail) that wraps around his leg to give him devastating kicking power.