The Animus is a lot more versatile then expected. As a result, various Assassins separated by historical events are experiencing - minor personality overlaps.

Example: Altair suddenly knows how to mix alcoholic beverages he's never even considered drinking, and animals are spontaneously approaching him to be petted. Connor tends to curse in Italian, and is completely shocked when he manages to instinctively sweet-talk women. Ezio experiences a full-body twitch when he hears the word 'novice', and has suddenly forgotten how to swim.

...please fill? Or tell me what you think of this idea?