Issue Detective 640
Subtitle The Idiot part four: The Cook, The Bat and the Idiot
Date January 1992
Writer(s) Peter Milligan
Artist(s) Jim Aparo, Mike DeCarlo
storyline (continued from Batman 473) 
Batman tracked the Idiot, looking for a weakness to exploit. Remembering his trip to the "idiot zone," he realized there were no birds. He used the feathered creatures to destroy the Idiot.