The final "MULLETS" Sunday strip on January 15, 2005 was an affectionate tribute to Bill Watterson's classic "CALVIN AND HOBBES" strip, as acknowledged in the title panel.

Title panels are optional extras that some newspapers do not include, depending on the page layout.
Some cartoonists consider them "throw-away' panels, but the titles in "MULLETS" were used to set the stage for the content of that week's strip ... and get a little creative in the credits.
Here are the "MULLETS" title panels: