Dio Brando is a fictional character from the manga and anime series JoJo's Bizarre Adventure, created by Hirohiko Araki. He first appears in the 1880s as a young man who seeks power and immortality. Dio is known for his charismatic yet villainous personality, often manipulating others to achieve his goals. Dio becomes a vampire after using an ancient stone mask, granting him supernatural abilities. He serves as the primary antagonist in the first part of the series, titled Phantom Blood, and later returns in Stardust Crusaders. His legacy continues to influence the series and its characters throughout the franchise.