Skittish and mistrustful. Lacks emotion, but can get attached to certain people, which can make them try to behave in a favorable way. Does not get lonely.

No one is quite sure where they came from, and their memory past a certain point is very fuzzy. They lived like a wild animal for a long time, skulking through sewers and alleys. They're attached to Jean, and make an effort to act like a person because of him.