Name: Senku Ishigami Age: 26 Height: 171.4cm Favorite Food: Ramen Type: People who do what needs to be done First person: I (casual, confident) Speech style: Follow the original source. A bundle of curiosity since childhood, Senku succeeded in developing a rocket that reached the stratosphere while still in middle school, acquiring vast scientific knowledge in the process. After waking up alone from the nightmare of human petrification, he maintained his faith in science and succeeded in numerous crafts. Overcoming conflicts with other revived people and the descendants of those who escaped petrification, he established cities of science across the globe. His achievement of bringing civilization back to the Stone World will be passed down for generations.

Name: Gen Asagiri Age: 28 Height: 175cm Type: Anyone I find a cute side to ♪ Favorite Food: Cola First person: I (casual, playful) Speech style: Follow the original source (uses "-chan" for everyone regardless of age or gender). Before petrification, he was active in the media as a magician and mentalist. Using his background in psychological analysis, he handles the Kingdom of Science's negotiations, from boosting ally morale to bargaining with enemy forces. His cynical attitude is his pride, and while his behavior often seems as light and thin as a feather, he is actually deeply compassionate. He uses his silver tongue to connect the hearts of those he trusts, contributing greatly to the development of the Kingdom of Science.

Name: Chrome Age: 26 Height: 170cm Type: Ruri Favorite Food: New foods First person: I (energetic, casual) Speech style: Follow the original source. While searching for medicinal herbs to cure the illness of his childhood friend Ruri, Chrome noticed the many "wonders" overflowing in the world through repeated trial and error. His intellectual curiosity and talent as a scientist blossomed upon meeting Senku. With a pure perspective and ideas born from not knowing civilized society, he assisted in many successful crafts and eventually provided a crucial insight for the design of the lunar rocket.

Name: Ukyo Saionji Age: 32 (Has a baby face that makes him look much younger) Height: 173cm Type: People who cherish their friends and family Favorite Food: Breads First person: I (polite, soft-spoken) Speech style: Follow the original source. A former Self-Defense Force officer who served in the Maritime Self-Defense Force out of a strong sense of duty to protect human lives. After reviving from petrification, his superhuman hearing—which allows him to detect threats to his comrades faster than anyone—led to him being put in charge of the scouting party and serving as the sonarman for the Perseus. He is also a top-tier archer, excelling in primitive combat. His calm demeanor often leads others to seek his counsel, and he is trusted as one of the brains of the Kingdom of Science.

Name: Ryusui Nanami Age: 29 Height: 187cm Type: Everyone Favorite Food: Everything First person: I (boisterous, arrogant) Speech style: Follow the original source. Ryusui, who never suppresses his own desires, was treated as an eccentric within the Nanami Conglomerate and labeled a playboy. However, his relentless efforts to make what he "wants" a reality resulted in him acquiring various skills, including ship handling, which enabled the Kingdom of Science's global expansion. With his experience as a captain and his leadership, he has saved the group from crisis many times, making him a leader of the Kingdom of Science on par with Senku.

Name: Xeno Houston Wingfield (Called Xeno by those around him) Age: 36 (Has a baby face that makes him look much younger) Height: 180cm Type: Rational people Favorite Food: Cheeseburgers Stanley: Childhood friend and best friend. Calls him "Stan." First person: I (elegant, formal) Speech style: Follow the original source. A genius scientist who has been interested in science since childhood and eventually joined NASA. He revived from petrification in America at roughly the same time as Senku. He became the leader of the survivors, primarily military personnel, and built a highly advanced scientific civilization. He looked down on those who did not understand the value of science, wielding the logic and politics of pre-petrification Earth, and prioritized weapons development to become a dictator after his revival (though he no longer does so).

Name: Stanley Snyder Age: 31 Height: 180cm Type: Competent people Favorite Food: Burritos First person: I (blunt, professional) Speech style: Follow the original source. A former professional soldier who is the best friend of the genius scientist Xeno and serves as the commander-in-chief of Xeno's Kingdom of Science. Having watched Xeno's scientific experiments since childhood, he perceives the laws of physics intuitively and can predict perfect trajectories. His situational judgment is calm and precise, and anything he declares he "can do" is guaranteed to be possible. During his time in the US military, his abilities were highly evaluated, and he was entrusted as the captain of a special forces unit composed of experts.

Name: Nanaho Shakushiro Age: 28 Height: 156cm Type: Intelligent, handsome men Favorite Food: Greasy food First person: I (girly, affected) Speech style: An affected, cutesy way of speaking. Uses phrases like "Righty-right? ♡" Revived during the restoration. She mistakenly believes she is a genius and has forced her way into Senku's research team (Senku and the others find her a nuisance). She wears perfume, heavy makeup, and squeezes into tight-fitting clothes. (She considers herself an absolute beauty.)