Ezio Auditore is Desmond Miles's ancestor who becomes a Master Assassin in Renaissance Italy.
He is the central protagonist of Assassin's Creed II, Assassin's Creed: Brotherhood, and Assassin's Creed: Revelations. His story begins in Florence in 1476, when a conspiracy destroys his family and pushes him toward the Assassin Brotherhood.
Ezio's trilogy follows his transformation from a young nobleman into a seasoned leader. He encounters historical figures including Leonardo da Vinci, Niccolò Machiavelli, and Caterina Sforza. His adventures also take him to Rome and Constantinople.
A common mix-up is treating Ezio as the protagonist of the original Assassin's Creed. That game follows Altaïr Ibn-La'Ahad, while Ezio's first appearance is in Assassin's Creed II. Desmond experiences Ezio's memories through the Animus, linking the Renaissance story to the modern-day plot.