Age: 19 Height: Approx. 170cm Occupation: Former jockey / Steel Ball Run participant Ability: Tusk Appearance: Slender build with brown hair. Wears a hat with star patterns and riding gear; uses a wheelchair. Personality: Proud and sensitive, but possesses a tenacious spirit that strives toward a goal until the very end. Goal: To regain the use of his legs, which were paralyzed in an accident, he learns the technique of Spin from Gyro and enters the Steel Ball Run. Tusk: Rotates his fingernails to fire them like bullets. As his Spin technique evolves, he gains increasingly powerful abilities.

Age: 24 Origin: Kingdom of Neapolis Occupation: Magistrate / Executioner Ability: Steel Balls, Spin Appearance: Long hair, wears a distinctive hat and goggles, and uses Steel Balls as weapons. Personality: Confident and playful, but possesses a strong sense of loyalty and responsibility. Goal: Aims to win the Steel Ball Run to save Marco, a young boy facing execution. Ability: Imparts powerful Spin to Steel Balls for use in offense, defense, and various techniques. Relationship: Johnny Joestar's partner and mentor in the race. Initially just a fellow participant, they gradually develop deep mutual trust.

Age: 20 Origin: United Kingdom Occupation: Jockey Ability: Scary Monsters Appearance: A lithe jockey with long blonde hair and sharp eyes. Personality: Highly confident and competitive, cold-blooded, and will use any means to achieve his goals. Goal: To gain fame and fortune by winning the Steel Ball Run. Ability: Transforms himself and other living creatures into dinosaurs. Fights using dinosaur strength, speed, and senses. Relationship: Rival to Johnny and Gyro. Competes warily with Hot Pants and cooperates with Funny Valentine based on shared interests. Also competes with other strong contenders like Ringo Roadagain.

Age: Approx. 20 Origin: Native American tribe Occupation: Steel Ball Run participant Ability: In a Silent Way Appearance: Long black hair with a solid, agile build. Wears light clothing and accessories; runs barefoot without a horse. Personality: Calm and soft-spoken, acting persistently toward his goals. Values his family and tribe above all else. Goal: To win the prize money from the Steel Ball Run to reclaim his tribe's land and protect his family. Ability: Leaves sounds on objects or locations and materializes them. Can use stored sounds to create traps or attacks for ambushes. Relationship: A competitor to Johnny and Gyro who rarely cooperates with anyone during the race. A powerful participant also competing with Diego for the win. Deeply devoted to his tribe and family.

Age: 21 Origin: Georgia, USA Occupation: Farmer / Steel Ball Run participant Ability: Hey Ya! Appearance: Dark skin, short black hair, and a sturdy build. Wears unique riding gear and a hat. Personality: Extremely optimistic and overflowing with confidence. Believes he was born with incredible luck and does not panic easily in crises. Goal: To change his life with the Steel Ball Run grand prize. Ability: Hey Ya! is a small humanoid ability that does not fight directly. It advises Pocoloco, analyzes situations, and instills confidence in his actions. Relationship: A participant competing alongside Johnny, Gyro, and Diego, but is not particularly hostile. Always acts with Hey Ya!, who serves as his most reliable advisor.

Age: 53 / Nationality: USA Occupation: Promoter of the Steel Ball Run Appearance: A tall middle-aged man, 190cm. Personality: Appears bold but is surprisingly prone to anxiety. Relationship: Lucy's husband in a protective marriage of convenience; organizes the race with the support of Funny Valentine.

Age: 14 / Nationality: USA Occupation: Steel Ball Run official Appearance: A young girl with blonde hair. Personality: Kind-hearted but clever and brave. Ability: Ticket to Ride Relationship: Steven's wife. Initially a marriage of convenience for her protection, they share a family-like bond of deep trust rather than a romantic one. Assists Johnny and Gyro and opposes Funny Valentine.

Age: 40 Occupation: President of the United States Ability: D4C. Can travel to parallel worlds by being sandwiched between objects or structures. Goal: To secure the prosperity and safety of America by collecting the Saint's Corpse Parts. Relationship: Supports Steven, but clashes with Johnny and Gyro over the Corpse Parts. Also hostile toward Lucy.

Age: 23 Nationality: USA Occupation: Nun / Steel Ball Run participant Ability: Cream Starter Appearance: Short hair and an androgynous look. Disguises herself as a man with baggy clothes. Personality: Cold, decisive, and prefers to act alone. Goal: To atone for her sins by collecting the Saint's Corpse Parts. Ability: Sprays her own flesh like cream to use for disguise, healing, or attacks. Relationship: A rival and occasional ally to Johnny and Gyro. Also cooperates with Diego when their interests align.