Can ghost be afraid of things?

I believe my house is haunted but he isn't scary or mean but ever since I did the spirit box no no reason my pennywise poster kept falling down to where I have to take it down. No matter what I used to keep it up it doesn't stay up can the ghost be scared of clowns? I have nightmares before Christmas... show more I believe my house is haunted but he isn't scary or mean but ever since I did the spirit box no no reason my pennywise poster kept falling down to where I have to take it down. No matter what I used to keep it up it doesn't stay up can the ghost be scared of clowns? I have nightmares before Christmas posters up and they don't fall at all.
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