The theme is good or bad most spirits don't know which one they are assumed to be since they focus on just being satisfied with being themselves than worrying about what the populations thinks about them. Especially animals most goats are associated with Satan worship but if instead their past was traced to Greece they become more represented with durable spirit for climbing steep rocks and mountains. Also most demonic cases of possession don't always scar and hurt the subject under mental control so most zombie forms of demons are exaggerated because the person doesn't necessarily know or are aware that their body is being visited so there is much more than the first assumption.