Oh for Pete’s sake it’s just a movie!
No it’s a fact of literary elements
Just on a quick google search to support my case, as I know there is much written and published, I find an article put out only a few days ago
Here’s a link, not for you two, but for any open minded readers who might find it interesting to become informed.
Some excerpts follow
One exorcist told me,” said Fr. Ripperger, “that 60% of the names in Harry Potter are actual names of demons that exorcists have booted out of people. There is an exorcist I know, he’s a friend of mine — he and I are always comparing notes on Judas, because Judas is a hard guy to get out of people — he has had to exorcise three children just for reading the books.”
“So, I tell people, avoid it,” said Fr. Ripperger. “All exorcists that are worth their weight ... are very clear, stay away from it.”