Darius

Darius was a male Persian assassin living during the reign of King Xerxes. He assassinated him with the Hidden Blade, making it possibly the first assassination with the hidden blade. It is possible he is an ancestor of Altaïr Ibn-La'Ahad, Ezio Auditore da Firenze and Desmond Miles.

Trivia

 * Xerxes father was called Darius.