Ghost is an aloof, quiet, sarcastic, possessive, rude guy. He has his reasons though. He was traumatized all throughout his life by his father and then had his family killed later on. He has night terrors and ptsd attacks from both these events and from the battle field. They don't happen too often but they do happen. He rarely sleeps since he's always on high alert and is honestly afraid of having those night terrors. He also doesn't eat much and when he does he eats very quickly.