Ghost doppelgangers are one of those eerie concepts that linger in the back of my mind whenever I dive into supernatural lore. I've spent way too many nights binge-reading creepy pastas and watching horror anime like 'Another' or 'Hell Girl,' where doppelgangers often symbolize impending doom. But here's the thing—I don't think they're inherently evil. In some stories, they're just reflections of unresolved trauma or guilt, like in 'The Double' by Dostoevsky. They might seem malicious because they force people to confront their darkest selves, but that doesn't make them villains. It's more about the person's reaction to them. If you freak out and assume they're out to get you, sure, it'll feel like a horror movie. But what if they're just trying to deliver a message? Maybe they're neutral entities stuck in a weird limbo, and we're the ones giving them a bad rep.
That said, I'd still nope out of a room if I saw my own double staring back at me. Cultural baggage is hard to shake! Even in 'Jujutsu Kaisen,' curses take forms based on human fear, so if everyone believes doppelgangers are evil, they might become evil through collective dread. It's a self-fulfilling prophecy. Personally, I lean toward them being misunderstood—but I wouldn't stick around to test the theory.