Detective Comics #342 (1965)

THE MIDNIGHT RAID OF THE ROBIN GANG! As the local newspaper starts running stories claiming that there is a rivalry brewing between Batman and Robin, the Commissioner informs Batman that there is a mysterious man that is taking in kids and teaching them to be thieves. Sending Robin to investigate in his civilian guise of Dick Grayson, Dick finds that Mr. Craig who manages wrestlers in a Gotham gym, is training a group of teens to be thieves and having them dress up as Robin the Boy-Wonder. Batman and Robin then work together to smash Mr. Craig's operation and all stories of their rivalry are dispelled in the press. THE BANDITS AND THE BARONESS!