I know Jerry Map (I hope that someday will be a exposition in Spain) because I love it, I love the https://en.wikipedia.org/wiki/Outsider_art. The people who maybe mad and they built a world with own rules.
It's a weird coincidence to me I just remembered Henry Darger again today, within the last hour actually. I had watched "In the Realms of the Unreal" (2004 documentary) in the theater when it came out. (I know it's only a coincidence because it's something I'm interested in thinking about, but it feels meaningful anyway.)