Mutt begins his career as an anonymous "fight fan" on the margins of Fisher's sports strips.
Mutt's size in relation to the other figures in the drawing and his position as marginal commentator place him in the role of a "little guy" similar to Herriman's Gooseberry Sprig.
Harry "Bud" Fisher, "Will
He Ever Wear These Trilbys?" cartoon, San Francisco Chronicle
13 Aug. 1907. Reproduced from microfilm.