In the Ezio Auditore Trilogy, Ezio is derived from aestos, which is Greek for 'eagle'.It is also the largest star in the Eagle constellation, so it doubles as a Stellar Name. In Assassin's Creed, Altair's name is Arabic for 'The Flying One' or 'The Bird'.One of the developer's logs available online also mentions that the signature hood and cloak were designed to create the silhouette of a bird of prey during dramatic leaps. Additionally, the tip of the Assassin hood resembles an eagle's head, and the below the waist the robes separate to resemble feathers. There's also the genetic 'Eagle Vision' that allows Desmond and other Assassins to spot out their targets and better analyze their surroundings. Assassin's Creed uses eagles and other birds of prey for the Assassins.Yes, the perfect companion for an Assassin. A sharp-eyed, lethal hunter with a surprising nobility.