Erasmus (Dune)

Erasmus is a 'Thinking Machine' in Brian Herbert and Kevin J. Anderson's Legends of Dune trilogy. He served as a synchronized robot under Omnius before he fell into a rock crevice where he was trapped for millenia and had only the ability to think. He gained an independance from all the thinking and eventually was rescued from the crevice. He bacame obsessed with learning Human Nature to better combat the hrethgir. He conducted thousands of experiments on slave humans captured from defeated League Worlds. His greatest acheivement was the creation of Mentats. The first was his 'son' named Gilbertus Albans.