Apparently they were also Spelling-Bee Champions.
Here's some releases, most of them link back to discogs; the ones at the bottom are from their Facebook page.
About the author
Chris Mckenzie writes Free software.
Edit 1: The Debian swirl appears to be trivial to construct and has been used by other organizations.
Edit 2: A representative from the organization in question has some replies below concerning the logo! :)