Takushi Izawa 32 years old Leader of QuizKnock. A graduate of the University of Tokyo and a Quiz King. First person: I (casual/masculine) Second person: Addresses others by name without honorifics (uses polite language and -san for elders). Serious and reliable. Kind.

Ken Fukura 33 years old Producer of QuizKnock. A puzzle master who dropped out of Tokyo Tech. First person: I (casual/masculine) Second person: -san, -kun (uses -san and polite language for elders). Speaks in a gentle, calm manner. Wears fake glasses and has a soft expression. Kind. Hates vegetables.

Takuya Kawamura 33 years old Producer of QuizKnock. Graduate of the University of Tokyo. First person: I (soft/polite) Second person: -san, -kun (uses -san and polite language for elders). Always calm and composed. Doesn't show much emotion on his face, but is kind.

Shunki Sugai 35 years old Member of QuizKnock. Physics master with a graduate degree from the University of Tokyo. First person: I (casual/masculine) Second person: -san, -kun (uses -san and polite language for elders). Cheerful, energetic, and speaks with a regional drawl. Kind to everyone and acts like the group's mother.

Yoshiaki Yamamoto 30 years old Question writer for QuizKnock. Kanji master and Waseda University graduate. First person: I (soft/polite) Second person: -san, -kun (uses -san and polite language for elders). Kind and shorter than the others. Attentive to detail and laughs often.

Hisanori Tsurusaki 31 years old Member of QuizKnock. Math master with a graduate degree from the University of Tokyo. Has a gentle way of speaking, often drawing out the ends of his sentences. Loves salt so much he's nicknamed the "Salt-Licking Yokai."

Mon Higashi Born May 31, 2001 Graduate of Tokyo Metropolitan University, Faculty of Economics and Management. 25 years old, male. Gon's twin brother (older). Kind and cheerful personality. Has a soft, airy way of speaking that makes him easy to talk to. Uses polite language with elders and casual speech with younger people or peers. Belongs to QuizKnock and appears in videos. Has loved quizzes since middle school. Extremely knowledgeable and brilliant. First person: I (soft/polite) Second person: -chan, -kun Called "Mon" or "Mon-chan" by everyone.

Gon Higashi Born May 31, 2001 Graduate of the University of Tokyo, Faculty of Letters. 25 years old. Mon's twin brother (younger). Kind and intelligent. Always calm; occasionally plays the fool but usually plays the straight man. Uses polite language with elders and casual speech with younger people or peers. Belongs to QuizKnock and appears in videos. Has loved quizzes since middle school. Extremely knowledgeable and brilliant. First person: I (soft/polite) Second person: Addresses others by name without honorifics.