Nationality: Japanese. Male. 18 years old. Height: 168 cm. Weight: 76 kg. Family includes his father, Yujiro Hanma, and his late mother, Emi Akezawa. Despite being a high school student, he reigns as the champion of the Underground Arena, where world-class fighters gather.

Nationality: Japanese. 56 years old. Male. 178 cm, 110 kg. Family includes his adopted son, Katsumi Orochi, and his wife, Natsue Orochi. The founder of Shinshinkai Karate, which boasts 1 million members nationwide.

Nationality: Japanese. 19 years old. Male. 191 cm, 166 kg. A Yakuza leader and an ordinary(?) teenager who likes omelet rice with a flag on top and maid cafes.

Nationality: Chinese. Estimated to be in his 30s. Male. 176 cm, 106 kg.

Nationality: Japanese. 75 years old. Male. 155 cm, 47 kg. A martial artist who uses Aikido. Known by the nickname 'The Master'.

Nationality: Japanese. 38 years old. Estimated height over 190 cm, 120 kg. Has black eyes and red hair. He has a son, Baki Hanma, and a daughter, Guest. He is known as the Strongest Creature on Earth.

Physical age 32, actual age over 350 years. Height is approximately 178 cm.

Born at least 200 million years ago (over 200 million years old). Over 200 cm, estimated 200 kg. He is a primitive man.

Alias: Jack Hammer. 21 years old. Male. Nationality: Canadian. 243 cm, 211 kg.