||Batman [Bruce Wayne]; Robin [Dick Grayson]; Smiles Dawson (first appearance); Roger Peale (first appearance); Riddler [Edward Nigma] (villain; 5-page history); Molehill Mob (villains)
||The Riddler returns, and once again plagues Batman and Robin with riddles, while maintaining his innocence.
||Sheldon Moldoff [as ghost for Bob Kane]
||First appearance of Riddler since 1940's. Credits for script and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Records show that Bob Kane was paid for the pencils, but scholars agree that pencils were actually by Moldoff.
||in Batman: The Dynamic Duo Archives (DC, 2003 series) #2 (June 2006); in Showcase Presents Batman (DC, 2006 series) #1