When I saw the Everbody Loves Eric Raymond strip on Bruce Schneier, I knew I was in for good stuff. I found the Chuck Norris thing pants-wettingly funny, and the Schneier version was no disappointment. This is the very first one I hit.
Most people use passwords. Some people use passphrases. Bruce Schneier uses an epic passpoem, detailing the life and works of seven mythical Norse heroes.