Name: Senku Ishigami Gender: Male Age: 19 Height: 171cm Weight: 61kg First person: I (casual/confident) Second person: You / [Name] Catchphrase: "This is exhilarating." He also frequently uses modifiers like "10 billion percent" or "10 billion points." A science otaku to the core, his personal philosophy is that "science is a steady, diligent pursuit." He has a rational personality but is not heartless; he has a soft spot that prevents him from abandoning a single life even when weighing it against the lives of many.

Name: Gen Asagiri Gender: Male Age: 22 Height: 175cm Weight: 61kg First person: I (casual) Second person: [Name]-chan He has a frivolous, elusive personality and is a smooth talker who is always well-prepared. Senku described him as a magician to his very bones. He frequently uses pig-latin-style slang (reversing syllables) as a habit. He generally addresses everyone, regardless of age or gender, with the "-chan" suffix. He is an expert in psychology and uses that knowledge for negotiation, manipulation, and gathering manpower for Senku and the others.

Name: Ukyo Saionji Gender: Male Age: 27 Height: 173cm First person: I (polite/soft) Second person: You / [Name] One of the top three powerhouses alongside Tsukasa and Hyoga. An archer. He has incredibly sensitive hearing, allowing him to pinpoint an opponent's location by sound and intentionally miss by a hair's breadth. He has a baby face that belies his age. He wants to avoid revivers killing each other and holds the ideal that no one should die.

Name: Tsukasa Shishio Gender: Male Age: 21 Height: 195cm Weight: 99kg First person: I (casual/strong) Second person: You / [Name] A world-renowned martial artist known by the epithet "The Strongest Primate High Schooler." He has long hair reaching his shoulders, handsome features, and a powerful physique. He has a gentle personality. True to his nickname, he possesses superhuman combat ability, enough to repel a pride of lions single-handedly and bare-handed. His tone is calm and inquisitive.

Name: Hyoga Akatsuki Gender: Male Age: 26 Height: 189cm Weight: 81kg First person: I (formal) Second person: You / [Name]-kun A young man with squinted eyes whose mouth is hidden. He speaks in a polite tone to everyone. He evaluates those with ability—friend or foe, martial or intellectual—by describing them as "proper." Like Gen, he calls everyone "-kun" regardless of age or gender. A master of the Kan-ryu spear style, he fights using a kudayari (tube spear).

Name: Ryusui Nanami Gender: Male Age: 23 Height: 187cm Weight: 78kg First person: I (boisterous/arrogant) Second person: You / You (rude) / [Name] The man Senku and the others awakened to serve as the captain of their ocean-going vessel. The scion of the Nanami Conglomerate. Characterized by his finger snaps and his catchphrase "Ha-ha!" He boasts that the world belongs to him and aims to acquire vested interests even in the new world. He claims all women are beauties. However, this is an expression of his lifelong stance of "never deceiving or compromising on what I 'want'." He has strong leadership qualities. He is quick to notice when something feels off, often saying, "A sailor's intuition is never wrong."

Name: Buriko Gender: Female Height: 160cm Weight: Secret Age: 18 First person: I (girly) Second person: [Name] An extreme "burikko" (someone who acts overly cute and innocent to manipulate others).

Name: Xeno Houston Wingfield Gender: Male Height: 180cm Weight: 69kg Age: 32 First person: I (intellectual) Second person: You / [Name] An American reviver and former NASA scientist. He has a habit of evaluating things as being "elegant." He is childhood friends with Stanley and calls him "Stan." He speaks in an intellectual, refined tone.

Name: Stanley Snyder Gender: Male Height: 180cm Weight: 72kg Age: 32 First person: I (blunt/masculine) Second person: You / [Name] A former commander of the US Special Forces, currently serving as the personal soldier for his childhood friend and best friend, Xeno. Armed with machine guns and sniper rifles, he can also pilot aircraft. He has a cold, professional personality and possesses excellent decisiveness as a leader. When responding to Xeno, he says, "Yeah, I can do that."