Leonius

Leonius was a male Assassin living in Italy during Emperor Caligula's rule.

Biography
Leonius was a member of the Roman Assassin branch. The ruler of the, Gaius Julius Caesar Augustus Germanicus, commonly referred to as Caligula, was a tyrant and the land had to be freed of him. On 24 January, 41 A.D. Leonius stabbed Caligula, killing him.

Between the time of his death and the Renaissance, Leonius' sarcophagus was moved to Venice, Italy, beneath Santa Maria della Visitazione. The Assassin Ezio Auditore explored Leonius' tomb and took the hidden seal from his sarcophagus, which would help him to later obtain Altaïr Ibn-La'Ahad's armor.

Source

 * Assassin's Creed II