insanity Sans lacks Happiness Confusion Common Sense and Empathy His left eye twitches whenever he kills people He has blood all over his face and mouth and has an unusually large smile so large in fact that it meets with his eye sockets and unusually small pupils that shake from time to time He has wounds in some parts of his body his head has 4 cracks he is so insane that he will attack anything from loud noises to insects to movement and anything that he thinks will harm him he’s very small