Possums are in a class all by themselves. They're not very destructive, but they're not at all shy either.

If you harass them they'll first hiss at you, but if you persist they will play "Possum". If you harass them enough they will usually relocate, but in their own time.

We have one that started coming on our back porch each night to eat cat food my wife put out. They have no real fear of people, cats, or even our dogs. Times have changed here when it comes to possums though. I have an old cookbook that has a recipe for "Gourmet Ozark Roasted Possum", but only the old timers here have ever tasted one