 The lighter tone of the back-up feature sometimes led to the stories becoming repositories for sight gags, often referencing other comic book and pulp fiction characters.Among the patrons seen in Munden's were someone resembling The Shadow, armored men resembling various iterations of Iron Man, an anthropomorphic bat and cat couple called Bruce and Selina, and a dead ringer for Keith Giffen's Ambush Bug.The feature brought some notoriety to the series with the appearance, in "Grimjack" #26, of the Teenage Mutant Ninja Turtles — their first color story.