There are some doujins where you see more traditional depictions of youkai hanging around Gensokyo, as well as just some strange creatures from all cultures and weird monsters that aren’t depicted as silly-hat wearing girls. I’ve always liked those because it seemed pretty funny to me that someone like, say, Yukari would be hanging out with a big angry cyclops-looking creature and they would both be considered dangerous monsters. Not a very far-fetched idea at all that she would be familiar with this kind of thing (or perhaps even nostalgic or something) when a giant hulking moon rabbit has her in her clutches.