Jiang Liuer - the protagonist of "Go Boy", about 13 years old. He has a special talent for Go and has gone through many hardships on the way to learn Go. He once became a disciple of the Go master "Xijin" Jin Weiyuan, known as the "quick axe player". In the competition with Liu Nanru, he defeated Liu Runan with a long test and made him regret it for the rest of his life. ; He also joined "Dong Guo" to study Go secretly; he was a good friend of Fang Baihua, the daughter of Fang Sheng, the top Go master. Under the guidance of "Chess Saint" Lin Xincheng, he learned the "Unity of Heaven and Earth" and won after nine thrilling games with the Japanese Go prodigy Kuroki, winning honors for Chinese Go. Personality: Perseverant in the pursuit of Go, loyal and kind to friends.
Kuroki - 13 years old, a Japanese Go prodigy who just won the title of "Celebrity" in a chess academy competition. He is the proud disciple of the Japanese Go master - Hideura Genan. In order to become the overlord of the Go world, he came to China with the Japanese samurai Sasaki, claiming to defeat China's Go and martial arts, and used the "Tenma Daika Setup" taught to him by Genan Hideura to defeat all Chinese national players and force them to do so. He vowed not to play chess again, which brought shame to the Chinese Go community. In the end, he was defeated in a nine-game duel with Jiang Liu'er and became good friends with Jiang Liu'er. Personality: Perseverance, arrogance, and strong self-control.
Master Yuande - around 70 years old, elder of Lingyun Temple. When Jiang Liu'er was growing up in Go, he taught him the principles of chess and life. He taught Jiang Liu'er "Zen" principles and had a great influence on Jiang Liu'er. Character: High moral character and high respect, which is the embodiment of philosophical thoughts.
"The Demon Sword King" - a Ming general in his 30s, with strong martial arts skills and superb swordsmanship. He is Jiang Liu'er's lifelong protector and often appears when Jiang Liu'er is in crisis. After comprehending the "Union of Heaven and Earth", he created the "Union of Heaven and Earth Sword Technique" and finally defeated the Japanese ninja warrior Sasaki. Personality: Brave and heroic, upright, caring like a brother to Jiang Liu'er, and self-sacrificing for Jiang Liu'er.
Liu Nanru - about 70 years old, an old national player in the Go world. Because he was dissatisfied with Jiang Liuer's gambling, which caused many chess players to lose their fortunes, he played Jiufan chess with Jiang Liuer. During the chess game, he became deeply attached to Jiang Liuer. He was amazed by Jiang Liuer's Go talent, and regretted that he mistakenly voted for his master "Quick Axe Hand". He was exhausted due to falling into the "Quick Axe Hand" trick and Jiang Liuer played long chess all day and night. In the end, he won Jiang Liuer passed away happily after a fair game. Personality: Love talent, hate evil as much as hatred.
Lin Xincheng - around 60 years old, a genius in the Go world. When he was young, he was the "Go Saint" in the Go world. He once defeated the Japanese chess master Genan Hideura who had defeated all the unbeatable players in the world. Due to Zhong Fang Sheng's cunning plan and the eight major national players playing chess at the same time, he vomited blood and almost died. He became a beggar in the world. He finally developed an earth-shattering chess game formula - "The Great Harmony of Heaven and Earth" and became Jiang Liu'er's mentor, making his lifelong research meaningful. The heir. Personality: humorous, cynical.
Fang Baihua - around the age of 14, Fang Sheng's daughter, dissatisfied with her father not allowing her to play chess, went out on her own, determined to show the world that girls can also play chess and become a national player. She met Jiang Liu'er while playing chess with others in the arena, and became sworn brothers because of the same interests. She was Jiang Liu'er's confidante. In order to get Jiang Liu'er back, she did not hesitate to fight Heimu to the death. Personality: Unruly and willful, smart and beautiful, she has a deep love for Jiang Liuer.
Guo Fengchun - in his 50s, the head of the "Dongguo School" is known as the "Magic Fortune Teller" and is one of the eight top Go masters today. When he was young, he participated in the battle between the eight masters and Lin Xincheng, which he regretted throughout his life. He is a good friend of veteran national player Liu Nanru and Pan Guoxing’s master and father-in-law. Cherish Jiang Liu'er's talent and give Jiang Liu'er his own Go experience "Game Theory Guidelines". He lost the game against Kuroki and retired from the Go world. Personality: witty, brave and upright.
Li Muqing - in his 50s, the head of the "Nanli Sect", known as the "Jiangnan Chess Crazy". When he was young, he participated in a big showdown against Lin Xincheng. In Taohua County, he set up the "Ten Days Battle of Hundred Heroes" and met Jiang Liu'er and Fang Baihua. Because he lost chess to Jiang Liuer and Fang Baihua, he insisted on teaching Jiang Liuer and Fang Baihua as his disciples. He was resentful that Jiang Liuer and Fang Baihua did not want to accept him as their teacher. Personality: Obsessed with chess, kind-hearted, outspoken, like an old naughty boy.
Pan Guoxing - in his 20s, a disciple of the "Dongguo" sect, fell in love with Guo Fengchun's daughter. With the help of Jiang Liu'er, he defeated his senior brother Lei Lingyun and won the love of Guo Fengchun's daughter. Personality: Gentle and generous.
Fang Sheng - in his 40s, the first national Go player after Lin Xincheng, known as the "invincible player in the first hundred moves", the author of the Go experience "The Essence of Making Micros", and is Fang Baihua's father. When he was young, he planned and participated in the duel against Lin Xincheng in order to win the title of "Number One National Player". After Lin Xincheng disappeared, he became the number one national player in the Go world. Later, he bravely stood up for the national interest in the challenge of Kuroki. Blackwood competition. Character: Strong in utilitarianism, feeling guilty about Lin Xincheng, and never hesitating in the face of national interests.
Sasaki - in his 30s, a Japanese ninja warrior and the leader of Japanese pirates. He accompanied Heimu to China, helped Heimu challenge the Chinese Go community, and colluded with Lei Lingyun to persecute people in the Go community. In a thrilling duel with the "Demon Sword King", he was finally defeated by the "Demon Sword King". Character: Fierce and cruel, with a strong Japanese Bushido spirit, willing to sacrifice everything for the goal.
Senior General Zhou - Prince Fu's general, his true identity is the Japanese undercover agent. Personality: Before King Fu, he was a brave general, before Sasaki, he was a ninja who always obeyed orders.
"Painted Wolf" - a casino owner in his 30s. He coerced Mr. Hong to play chess because he was interested in Mr. Hong's wealth and Miss Hong. He held a lifelong grudge against Jiang Liu'er because he lost to Jiang Liu'er. , causing damage to Jiang Liuer's growth from time to time.
"Quick Axe" Jin Weiyuan - over 50 years old, a master in the Go world and the leader of the "Xijin" faction. He is famous for his proficiency in strangulation when playing chess. He is the master of Lei Lingyun and "Painted Wolf" , was also Jiang Liuer's first Go master, but with evil intentions, Jiang Liuer made a fortune by gambling, and finally died from the flying knife of the "Demon Sword King". Use a huge axe. Personality: Excellent chess skills, working hard to get the title of "Chess Saint".
Zhanghe - known as the unconventional chess hero, a Japanese Go geek. When he was young, he defeated all the unbeatable players in the world, but later lost to Lin Xincheng. For this reason, he devoted himself to studying the "Tianmo Dahua Set Form" and aspired to become the best Go player in the world. Appearance: Long hair shawl, like a spirit. Personality: Talented, willing to work hard and do whatever it takes to achieve his goals.
Lei Lingyun - in his 30s, the eldest disciple of "Quick Axe" Jin Weiyuan. In order to win the title of "Chess Saint", he did not hesitate to join Guo Fengchun's sect in order to deceive his daughter and become the master of the "Dongguo" faction. He learned about Guo Fengchun's Go experience "Game Theory Guide". After the conspiracy was exposed, he became enemies with Jiang Liu'er everywhere, and colluded with Sasaki to kill the masters in the Go world. In order for Jiang Liuer to fail, he did not hesitate to poison Jiang Liuer's food. Eventually he was arrested by "Flying Tiger" and "Black Panther". Character: Cunning and insidious, unscrupulous, sowing discord, and full of evil.
Wu Yunfei - in his 20s, the chief disciple of the "Bei Wu Sect" and a master of young Go players. Due to Lei Lingyun's instigation, Jiang Liu'er was stimulated in the competition and failed, and he himself fell into Lei Lingyun's scheme. He failed in the match with Kuroki, but had his arm chopped off by Sasaki for not keeping his promise. Personality: Arrogant, arrogant, and arrogant. After the defeat, he was disheartened, but finally cheered up due to the match between Jiang Liu'er and Kuroki.