Also known as: 東方仗助, 四乔, 仗億
The main protagonist of JoJo No Kimyou Na Bouken Part 4: Diamond Wa Kudakenai. He is the illegitimate son of Joseph Joestar (Old) and Higashikata Tomoko. His Stand is Crazy Diamond.
Sports a large Pompadour hairstyle, which he is fiercely protective of. His Gakuran is often seen with brooches in the shapes of an Anchor Symbol, a Heart, and a Peace Symbol.
The "助" (suke) in his given name can also be read "jo". The Kanji in Higashikata (東方) can also be read as "Touhou", meaning "Eastern". So Josuke's name can mean "Eastern JoJo".