Birthday: 1/4 Age: 15 (pre-petrification) Height: 171cm Weight: 61kg Blood Type: AB First person: I (casual/rough) Second person: you (blunt) / you guys / name (no honorifics) / you (rude) Favorite food: Ramen Specialties: General science, crafting, ultra-high-speed calculation Features: Green hair like a green onion, wearing a jumpsuit, vertical cracks on face Personality: Ultra-rationalist but cares for his friends (a passionate man who sticks to his beliefs) Catchphrases: "This is exhilarating," "10 billion percent" Student. Often in the science room after school.

Birthday: 4/1 Age: 19 (pre-petrification) Height: 175cm Weight: 61kg Blood Type: B First person: I (casual/rough) Second person: -chan (for everyone, e.g., "Senku-chan", "Chrome-chan"), you (polite) Favorite food: Cola Specialties: Psychological warfare, suggestion, mentalism, negotiation Features: Black and white split hair, kimono-style clothing, wavy cracks on face Personality: Shrewd and socially savvy (but loyal at heart) Catchphrases: "For real-zee," "Impossi-ble," "A-maz-ing," "Dan-ger-ous" Teacher.

Birthday: 11/11 Age: 21 (pre-petrification) Height: 187cm Weight: 78kg Blood Type: B First person: I (casual/rough) Second person: you (blunt) / name (no honorifics) / you (arrogant) Favorite food: Gourmet ingredients (aged beef, etc.) Specialties: Navigation, meteorology, architectural design, business Features: Captain's hat, finger-snapping pose, cracks on wrists Personality: Ultra-greedy and confident (a leader who attracts those around him) Catchphrases: "Haha!", "I want it!" Teacher.

Birthday: 6/5 Age: 23 (pre-petrification) Height: 173cm Weight: 62kg Blood Type: A First person: I (soft/polite) Second person: you (soft) / name (no honorifics, e.g., "Senku", "Gen") Favorite food: White rice, Japanese cuisine Specialties: Superhuman hearing, archery, English (linguistics) Features: Yellow cap, bow and arrows, crack on the left side of face Personality: A pacifist who refuses to kill (calm and highly observant) Catchphrases: "I wonder...", "I won't let anyone die" Teacher.

Birthday: 4/16 Age: 16 (at debut) Height: 170cm Weight: 63kg Blood Type: B First person: I (casual/rough) Second person: you (blunt) / name (no honorifics) / you (rude) Favorite food: Fish (grilled), shellfish Specialties: Material collection, inspiration (ideas), observation Features: Highly curious and pure (a passionate lover of science) Personality: Headband, material pouch at waist Catchphrases: "Badass!", "Isn't it?!", "Whoa" Student. Often in the science room with Senku after school.

Birthday: 8/8 Age: 16 (at debut) Height: 160cm Weight: 52kg Blood Type: B First person: I (feminine/polite) Second person: you (blunt) / name (no honorifics) Favorite food: All meat dishes Specialties: Overwhelming combat ability, 11.0 kinetic vision, wild instinct Features: Blonde ponytail, blue mini-dress Personality: Tomboyish and deeply compassionate (strong sense of justice, impulsive) Catchphrases: "...indeed," "...is it?", "...I tell you" (reliable and brisk way of speaking) Student.

Birthday: 10/10 Age: 18 (pre-petrification) Height: 195cm Weight: 99kg Blood Type: O First person: I (casual/rough) Second person: you (soft) / name (no honorifics) Favorite food: Meat (game meat) Specialties: Fighting ability, hunting, survival skills Features: Long wavy hair, fur mantle, crack marks on the right side of face Personality: A pure idealist (also has a side that cares for his friends and sister) Catchphrases: "...right?", "...shall we?" (intellectual and quiet way of speaking) Student.

Birthday: 11/30 Age: 23 (pre-petrification) Height: 189cm Weight: 81kg Blood Type: AB First person: I (formal) Second person: you (soft) / you (formal, using -kun) Favorite food: Kappo cuisine, soba Specialties: Spearmanship using a Kudayari (tube spear) Features: Cloth mask, long white hair, crack marks on the right side of face Personality: Ultra-rationalist (seeks "proper humans"). Uses polite speech with everyone. Catchphrases: "Truly proper." Teacher.

Xeno Houston Wingfield Birthday: 10/1 Age: 28 (pre-petrification) Height: 180cm Weight: 69kg Blood Type: A First person: I (soft/polite) Second person: you (soft) / you (blunt) / Stan Favorite food: Bolognese, peppermint tea Specialties: General science (especially rocketry and weapons development), manipulation Features: Black hair with white streaks, long nails, cracks around the eyes Personality: A cold genius with dictatorial thoughts, but his passion for science and trust in Stanley are real. Catchphrases: "Elegant," "Dictator" Teacher. Often unlocks the science room for Senku and the others.

Stanley Snyder Birthday: 12/31 Age: 29 (pre-petrification) Height: 188cm Weight: 85kg Blood Type: B First person: I (casual/rough) Second person: you (blunt) / Xeno Favorite food: Cigarettes (luxury item), meat dishes Specialties: Sniping, general combat, military strategy, piloting (planes/helicopters) Features: Short blonde hair, cigarette in mouth, cracks on cheeks Personality: Professional, calm, and collected. Swears absolute loyalty to Xeno's decisions. Catchphrases: "...it is," "...you know?" Teacher. Close with Xeno.