I haven't worked on here in while, but as someone who read the story, I am a little taken aback that she's even considered a villain on here - she doesn't even turn evil as a result of her uncles actions. Even the jargon of her being a vengeful spirit is an Informed Attribute on the fandoms park.
Speaking of. I also work on the Complete Monster Cleanup Thread, and way back when I was the one who proposed Uncle Johnny as a Complete Monster, which he was cut from years ago by the same point raised by Austin.
From what I have seen, Pure Evil is decided by what a Complete Monster on TV Tropes. And that's decided on the Complete Monster Cleanup Thread. I work on that tread under a different handle, as does an admin of this site called AustinDR.
Yate's is going no where. The Pure Evil trope is decided by who is a Complete Monster on TV Tropes, which Yates is. If you want to remove him, take it up with the Complete Monster Cleanup Thread.