We all know the famous Siri, the robot that answers any questions we might have. With the best ios 5 cydia tweaks we can upgrade Siri and make her of any nationality we want, we can make her a man or a woman, child or old person, with an accent or not and we can even make her a funny girl. At this rate she will soon became our best friend and we will begin asking her for advice about any problem we may encounter.