The name of artist Robert Crumb may not be a household word, but some of his creations are modern icons. Everyone recognizes Fritz the Cat and Mr. Natural, along with his admonition to "Keep on Truckin'." Crumb made this documentary with his wife Aline Crumb to overcome his anonymity. Through a series of tongue-in-cheek skits and interviews, Robert Crumb presents himself as someone who should not be overlooked or forgotten.