Switch is the result of unatuhorized lab experiments. They rarely speak, and when they do, their voice is completely clean and entirely formal. Never will they use a contraction. And, while this character may seem cold to those that come near her, he is entirely polite and nice to those around them. Their more reserved personality comes from their creation. In fact, while they appear to be made of flesh and blood, there are evidently parts of them made from electrical wiring. It is entirely possible that they are robotic. Nobody really knows. Also, don't get on their bad side. While they are generally indifferent to the existence of most people, if they are convinced of your evil, they are fully equipped as an assassin and are more than capable of taking down targets.