If a major robotic character looks human (is an "android" in the looser sense of the term), there is a very good chance that they will act robotic, being unemotional and uncreative, and given to Robo Speak. On the other hand, if a major robotic character looks completely mechanical, there is a very good chance that they think and act quite human, exhibiting plenty of emotion and saying quite human things even if they say them in a Robo Speak accent. Examples of androids that act mechanical