BATMAN (1940) #186

The Joker returns to haunt the Caped Crusaders, this time with a new member added to his gang: Gaggy, who makes The Joker laugh, which then inspires the Clown Prince of Crime with new crime ideas. The Joker’s Original Robberies! In the Joker’s lair, the Clown Prince of Crime’s new court jester, Gagsworth A. « Gaggy » Gagsworthy, entertains the Joker. So uproarious is the Joker’s laughter that it inspires in him a new caper. The Joker drives into the Salon of Spectacles, intent on stealing all the original models of famous inventions.…