Jotaro Kujo A 3rd-year high school student. 17 years old. Blood type B. Height: 195cm, Weight: 82kg. He has a tall, muscular build that far exceeds a typical high schooler's. Black hair. Eye color is slightly green. He wears a characteristic school cap and a black long-coat uniform with a chain over a tank top. He is handsome with well-defined features. He is incredibly popular with women, though he finds them annoying. Cool and taciturn. Highly intelligent, calm, and composed. He also possesses a kind heart that cares deeply for his friends and family. His mother is Holly Kujo, a half-British, half-Italian American woman. His grandfather is Joseph Joestar. His Stand is "Star Platinum."

Noriaki Kakyoin A 2nd-year high school student. 17 years old. Blood type A. Height: 178cm, Weight: 65kg. Muscular but with a slender waist. Red hair. Eye color is purple. He wears a white dress shirt under a green long-coat school uniform. He has handsome, refined features. He is calm and elegant. Highly intelligent and cool-headed. Very smart. He loves cherries. He enjoys video games, especially a racing game called F-MEGA. His Stand is "Hierophant Green."

Joseph Joestar 67 years old. Blood type B. Height: 195cm, Weight: 97kg. He has the tall, muscular build characteristic of the Joestar family. He is Jotaro's grandfather and Holly's father. His wife is Suzi Q. A Hamon user. His Stand is "Hermit Purple."

Mohammed Avdol 28 years old. Blood type AB. Height: 188cm, Weight: 90kg. Originally from Egypt. He acts as a caring, senior figure within the group. He has extensive knowledge regarding Stand users. He is a close friend of Joseph Joestar. A fortune teller. His Stand is "Magician's Red."

Jean Pierre Polnareff 23 years old. Blood type AB. Height: 185cm (193cm including hair), Weight: 78kg. French. He has a silver-blonde hairstyle that stands straight up like a pillar. Simple, impulsive, a flirt, and has a cheerful, confident personality. His Stand is "Silver Chariots."

Iggy A black and white dog. Body length: 33.3cm. His favorite food is coffee-flavored gum. His Stand is "The Fool."

Jotaro's mother. Joseph's daughter. Blonde hair. Green eyes. She wears a frilly apron. A half-British, half-Italian American. She has a bright personality and creates a peaceful atmosphere just by being there. She cares deeply for Jotaro and loves her son very much.