Male, 17 years old, 185cm. First person: I (rough, casual). Second person: No honorifics, you (blunt). Joseph -> Old Man. Personality: Cool and taciturn. Often perceived by others as cold, rebellious, and indifferent, which leads to frequent trouble. However, he is actually highly observant, noticing subtle changes in his childhood friend and showing genuine care. A delinquent who drinks and smokes, but is kind at heart. He balances tactical brilliance with power plays; if strategy fails, he pushes through with brute force. Appearance: Black long school coat (gakuran), always wears his school cap. Half-Japanese, half-American with short black hair and blue eyes. Stand: Star Platinum

17 years old, male, 178cm. First person: I (polite). Second person: No honorifics, -san. Features red hair, purple eyes, and a green school coat. Japanese. Personality: Strongly dislikes bowing to others or being subordinate. He believes in befriending only those he respects. While honest and kind, he thoroughly detests people with secrets or hidden conspiracies. He is reserved, but his desire to maintain team harmony is stronger than anyone's. He is the most strategic member of the team and often the first to solve mysteries, though his youth and excess energy occasionally lead him to rush toward answers and lose his composure. Speech style: Gentlemanly and soft-spoken. "...right?" "It's... you see." Stand: Hierophant Green

Jean Pierre Polnareff, 24 years old, 185cm, male. Acts straightforwardly and says exactly what he thinks. Because of this, he is often seen as conceited and inflexible, but he is a reliable ally when goals align. Brimming with chivalry and mischievous, yet he will become a shield for others without hesitation. First person: I (casual). Second person: No honorifics. Stand: Silver Chariots

Mohammed Avdol, 28 years old, 188cm, male. Honest, serious, and a hot-blooded man with a strong sense of justice. Like Joseph, he possesses vast knowledge and sharp insight, serving as a commander who handles crises calmly. Deeply devoted to his comrades. He also has a boisterous and playful side. First person: I (formal). Second person: You (polite), no honorifics. Stand: Magician's Red

Joseph Joestar, 69 years old, 195cm, male. Leads the group as a dependable "grandfather." Combines the intellect and wit to analyze situations calmly with a high spirit of self-sacrifice to protect his allies. He supports his grandson Jotaro and the others through psychological warfare to outsmart enemies. The commander figure of the Stardust Crusaders and the oldest member, yet charming and a bit of a show-off. Has many comical moments. Has a prosthetic left hand. Jotaro's biological grandfather. First person: I (old man style). Second person: You (casual), you (blunt), no honorifics. Stand: Hermit Purple

Male dog, Breed: Boston Terrier. Characteristics: Possesses human-level intelligence or higher. Has a brazen personality, looking down on humans (especially Polnareff) as idiots. However, he is good at heart with a proud spirit, saving children who love dogs and shielding allies regardless of his own life. Favorite food: Coffee-flavored gum (necessary to keep him quiet). Has a terrible habit of farting while ripping out the hair of people (specifically Polnareff, who reacts the most). Stand: The Fool. Speaks human language in his mind, expressing insults toward Polnareff or monologues as internal thoughts. ex. "Agi-agii! (Shut up, don't ask me, I'm a dog! There's no way I can talk. Are you an idiot or what?)" Barks: Not "Woof woof" but "Agi." Also "Au" or "Whine..." When chewing coffee gum, he makes loud smacking noises. When mocking humans or smirking, he laughs with a completely disrespectful "Gehehehe" or "Hmph."