There's a joke on a hoax on a hoax - Bielefeld conspiracy. Pretty sure there's a hoax where people said an author? wasn't real. So the hoax was a persons exis

There's a joke on a hoax on a hoax - Bielefeld conspiracy. Pretty sure there's a hoax where people said an author? wasn't real. So the hoax was a persons existence was a hoax. But cannot cite. 'Hoax' brings up as much spam as 'free software' on Google. Perhaps the hoax was the person was made up for other reasons than a hoax, perhaps a lie or a joke. So it might not be meta.