Japanese name: ジョニィ・ジョースター
Romanized name: Jonii Joosutaa
Stand: Tusk
Horse: Slow Dancer
Status: Zombie (current), Human (formerly)
Birthname: Jonathan Joestar
Birthdate: April 8, 1872 (estimated)
Zodiac: Aries
Date of death: November 11, 1901 (on Butsumetsu; death confirmed on November 12)
Cause of death: Head fatally crushed by a boulder
Gender: Male
Age: 29 (physically); 146 (chronologically)
Eyes color: Red (Zombie); Blue (Human)
Hair color: Dirty blonde
Blood type: Unchecked
Ethnicity/Nationality: American
Height: 176 cm (5'8'') (estimated)
Birthplace: Danville, Kentucky, USA
Occupation: Bodyguard (as Rianima's Nail Jockey); Equestrian (Part 7; formerly), Equestrian coach (Part 8, formerly)
Likes: Gyro Zeppeli, Slow Dancer, chocolate, fruits
What his zombie body looks like: His head is covered in many bandages from top to neck. His eyes, mouth, nose, ears and hair aren't covered. There are also some stitches on his arms, torso and legs, though they're covered by his clothes.
Title: The Legendary Jockey/Equestrian
Music theme: Steel Ball Run (Fan-made theme by Friedrich Habetler)
General info: A son of a former wealthy aristocrat nicknamed the "Joe Kid", he's a genius jockey who first rode a horse competently at the age of five, but misfortune after misfortune would pile up on Johnny's platter that eroded his confidence and self-worth until he lost the functions of his leg and became paraplegic. But a chance meeting with a participant of the Steel Ball Run race named Gyro Zeppeli and his discovery of the fabled Spin technique of the Zeppeli family pulled the embittered and cynical Joestar into the race with the goal of regaining his legs. Though his best friend died and he didn't win the race, he gotten what he wanted, and this is on top of him maturing into a better man. In the decade that followed, he married a Japanese woman and had a son and daughter and lived in Japan as an equestrian coach.
However, his wife suddenly contracted a strange disease, putting her life at risk. Johnny did everything he could to cure her, but when his son got infected too, he transferred the disease to himself through the stolen Saints' Corpse, dying as a result. But that would not be the end of this JoJo's story, for over a century later, he returned back to life as a zombie, in a different reality out of reach from his home world, to be recruited by Kotaro Tatsumi as bodyguards for Franchouchou. Though frustrated his legs have trouble functioning properly again and being transferred and revived without his consent, Gyro's resurrection alleviated his temper because an impossible scenario happened all thanks to one crazy man. Before he knows it, he and his best friend got accustomed into this lifestyle, looking forward to spend their undead days in Saga with each other and their teammates, protecting the zombie girls.