Much of Dumm's work on American Splendor was as an inker, embellishing the pencils of Greg Budgett and Joe Zabel.
Joe Cocker | Joe Louis | Joe Henderson | Joe Satriani | Joe Biden | Joe DiMaggio | G.I. Joe | Joe Frazier | Joe Lovano | Fat Joe | Joe Dever | Joe Walsh | Joe Manchin | Joe Zawinul | Joe Namath | Joe Lieberman | Joe E. Brown | Joe E. Brown (comedian) | Joe | Joe Paterno | Joe Clark | Joe Bonamassa | Joe Dante | Joe Montana | Trader Joe's | Joe Sample | Joe Lynn Turner | Joe Louis Arena | Billy Joe Shaver | Tony Joe White |
Besides Crumb, other notable American Splendor illustrators include Alison Bechdel, Brian Bram, Chester Brown, Alan Moore, David Collier, Gary Dumm, Frank Stack, Drew Friedman, Dean Haspiel, Val Mayerik, Josh Neufeld, Spain Rodriguez, Joe Sacco, Gerry Shamray, Jim Woodring, Joe Zabel, Ed Piskor, and Greg Budgett.