Lucasfilm Licensing keeps an internal database for maintaining continuity called the Holocron. It's made up of tens of thousands of entries, but finally ends with this guy.

That's it. It's a hard stop. Clicking the advance arrow won't take you any further. So here's what Wookieepedia has to say about Zzzanmxl.

I feel a bit like I've reached the end of the Internet.

Dan
(writing projects and current releases)