The Giovanni is a fictional clan of vampires, from White Wolf Game Studio's books and role-playing games. Unlike most vampires, the Giovanni are associated with neither the Camarilla nor the Sabbat. Much of the Giovanni symbology is Italian, and the organization was founded in Venice (c.1000 AD).
Team Rocket in the fictional world of Pokémon. He is also a former Viridian City Gym Leader. His localized name, in reference to his crimelord background, is likely meant as a play on the Italian mafia stereotype.