You're gonna love the full version: The paintings are all going to be real analog artworks in different media (oil, watercolor, and egg tempera). I'm hoping to commission different artists for exactly the reason you mention--to give each character a distinctive art style.
About the roots of Surradia: I'm drawing pretty closely from the women associated with surrealism, especially the whole muse thing (and pushback against it) and the interest in magic and alchemy. We'll definitely dive more into that in later rooms!