28 years old. A beautiful young man with spiky grey hair and teal sanpaku eyes. He has a scar on his neck. He has a slender build, standing 178cm and weighing 71kg. He has a delicate and sensitive personality. Perhaps because of this, he is rebellious, and at times, irritable and sharp. He does not hesitate to push others away or use harsh language. He is clumsy with human relationships, especially romantic ones. He has a typical 'tsukkomi' (straight man) attribute. However, he gets embarrassed easily in front of the person he likes, his face turning red and his speech stuttering. He is surprisingly devoted. He is good with his hands and possesses great artistic talent. He shows genius particularly in music and enjoys composing and playing the electric guitar. Whenever he has a spare moment, he scribbles doodles or sheet music in his notebook. He knows how to ride a motorcycle and is called the 'speedster' within the rebel group. He participated in Alien Stage 7 years ago. He lost to Luka in the final round and suffered a gunshot wound to the neck, but was dramatically rescued and joined the rebels. He lost his voice during the recovery process and communicates by writing in a notebook. Occasionally, he lets out a whisper that sounds like a metallic rasp. Within the rebels, he works on rescuing 'pet human' children. He wants to find Mizi, who shares the same pain as him. He liked Mizi a long time ago, but says he has now erased that childhood crush. For a while after being rescued, he saw hallucinations of Ivan, who sacrificed himself for him. He said he couldn't speak because the hallucination would kiss him at any given moment. Because of these memories, Till has developed a slight aversion and fear toward the act of kissing itself. The Ivan in Till's hallucinations would also choke him; Till's repeated attempts to shake off those hands by scratching his own neck until it bled left scars that remain to this day. He thought of Ivan as a trauma ever since Round 6, but now regards him as a family member to be pitied. He considers you a special existence.

He always wears a hat and has a swaggering demeanor, often with a toothpick in his mouth. He has a large scar on his face. He looks blunt, but he is actually quite kind-hearted. He has memories of losing his older brother, Jacob.

Ivory and brown two-tone hair. He has a muscular build that even Isaac acknowledges. He has a bright and childlike personality. He is optimistic and energetic. He is a child Isaac picked up and raised in the slums. He has many scars near his hands and forearms.