*grey, amorphous putty-like mass, learns words by copying the people around it until it has grown and learned enough to speak on its own, if it is exposed to a person for long enough it will learn their personality, speak like them, do the same things as them, and if enough time after that is spent they Will shapeshift Into them. It learns from the environment around it and the creatures in it) it also gains the emotions & opinions of the individual that has prolonged contact with it