User blog comment:D. Cello/Assassinews 09/23 -- Videos and cinematics/@comment-4360293-20110923234911/@comment-4074219-20110924190557

Ubisoft gave him a shitty american accent on purpose, and they never said why. It's awesome though, makes the player see that the Animus is/was a flawed machine. My guess is that the animus 2.x can recton its predecessor's mistakes.