sentences:  Since the reboot, his visualisation has changed into a distorted, liquid like, version of his original one and some of his controls have been slightly altered, although in the "Doctor Who" episodes the visualisation is still the same as in through most of the first series of "The Sarah Jane Adventures".The reprogramming also had an effect on his personality; Previously, not counting the time when he went "evil" and turned on Sarah Jane, he was much colder and more emotionless, more like the computer he resembles rather than the living organism he is.Since then, he has become kinder, seems to be somewhat sensitive to other's emotions, and even has developed a sense of humor.