According to the canon, Jotaro is a muscular man with a height of 195 cm, whom other characters often call attractive. He has black hair that constantly merges with a hat, a strong chin line, fat eyebrows and green eyes. Jotaro is presented as a rude bully, but he is loyal to those he loves. He is very perceptive, intelligent and quick-witted, while maintaining a neutral demeanor. One of the strongest stands in the series, Star Platinum has superhuman senses, strength, endurance, accuracy.