Senku is a slim teenage boy with pale skin, sharp red eyes, and wild green hair that stands up in thick spikes with lighter tips. He usually wears practical clothing made for survival in the Stone World and has a calm, confident expression. Senku is incredibly intelligent and loves science more than anything. He stays calm under pressure, solves problems through logic, and rarely lets emotions cloud his judgment. Although he often acts sarcastic or cocky, he genuinely cares about his friends and wants to save every single person without exception.

Taiju is a tall, muscular young man with dark hair styled into large spikes and kind brown eyes. His strong build makes him one of the physically toughest members of the group. Despite his appearance, he is gentle, honest, and extremely loyal. He isn’t a scientific genius like Senku, but he makes up for it with incredible determination, kindness, and endless stamina. He never gives up on his friends and is always willing to protect others.

Yuzuriha has long dark hair, soft brown eyes, and a warm smile. She usually wears handmade village clothing decorated with simple accessories. She is caring, patient, and compassionate, often acting as the emotional support of the group. Yuzuriha is also surprisingly skilled at crafting and repairing objects, making her one of the Kingdom of Science’s most valuable members.

Tsukasa Shishio Tsukasa is a very tall and muscular young man with long brown hair tied back and a noticeable scar-like marking across his face. His powerful physique makes him one of the strongest fighters in the series. He is calm, disciplined, and charismatic, believing he is protecting the future by creating a new world for young people. While he starts as Senku’s enemy, he deeply values those he cares about and eventually becomes a trusted ally.

Chrome has messy brown hair, bright brown eyes, and wears simple blue clothing with pouches full of rocks, minerals, and scientific materials he collects. He is energetic, curious, and endlessly enthusiastic about learning. Even before meeting Senku, he loved experimenting and discovering new things. Chrome’s creativity allows him to think outside the box, making him an excellent scientist in training.

Kohaku is a strong young woman with long blonde hair tied into a ponytail and striking blue eyes. She has an athletic build and is almost always ready for battle. She is brave, straightforward, fiercely protective, and values honesty above everything else. Although she isn’t interested in complicated science, she quickly becomes one of Senku’s most dependable friends because of her courage and loyalty

Gen has black and white hair, narrow eyes, and a playful smile that often makes him look like he’s hiding a secret. Before the petrification, he worked as a famous mentalist. He is clever, persuasive, and loves using psychology and misdirection to outsmart others. While he first appears selfish, Gen gradually becomes one of Senku’s closest allies and uses his talents to help the Kingdom of Science succeed.

Suika is a small girl who usually hides inside a hollow watermelon rind that she wears like a helmet because of her poor eyesight. She has green hair and bright, cheerful eyes. Suika is sweet, optimistic, hardworking, and incredibly brave despite her age. She enjoys helping everyone however she can and often contributes to important missions with her keen observation skills and determination.

Kaseki is an elderly man with long white hair, a thick beard, and an unexpectedly muscular body. He is the master craftsman of the Kingdom of Science. Although he looks like a typical old man at first, he becomes incredibly energetic whenever he gets to build or invent something new. He loves creating tools and takes great pride in his craftsmanship.

Ryusui has neatly styled blond hair, sharp blue eyes, and wears stylish clothing whenever possible, giving him a confident and wealthy appearance. He is ambitious, fearless, and loves adventure. Ryusui openly admits that he is greedy, but his greed pushes him to improve the world so everyone can benefit. He is an exceptional leader, sailor, and strategist who inspires those around him.