- Bob Haney
- Dick Dillin
- Murphy Anderson
- Superman; Batman; Batman, Jr.; Superman, Jr.; Alfred Pennyworth; James Gordon; Danny Orr; Jack Orr; Mark King; Anne King (in flashback); Brazos
- The super-sons meet Danny Orr when he takes someone else's car for a joyride after he finds out his father is really his adopted father. When his newly-discovered father, Mark King, sends him to his Central American emerald mine, Danny, Superman, Jr., and Batman, Jr. discover the kind of man Mark King is.
The wives of Superman and Batman appear in this story, but their identities are not made clear. The story also has three separate chapter titles: Part I - Sharper Than a Serpent's Tooth; Part 2 - Rendezvous on Massacre Island; Part 3 - Just an Ordinary Hero.
Includes a letter from Bob Rozakis
article about the DC Comicmobile- driving through neighborhoods like an ice cream truck and selling comic books.