Hood. To escape Batman, he dove into a basin of chemical waste and swam through a drainage pipe out to the river. The special oxygen system in his helmet helped him survive, but the chemicals disfigured him and transformed him into the Joker. Another villain, Two-Face, was once Harvey Dent, Gotham's youngest District Attorney. During the trial of "Boss" Maroni, who was being charged with the murder of "Bookie" Benson, Batman was testifying. While Dent presented Maroni's lucky piece, a two-headed silver dollar, as evidence, Maroni threw a container of acid at him. Batman dove to block the container, but only deflected it enough for it to hit the left side of Dent's face, disfiguring him and turning him into Two-Face. Robin suggests that they go see Commissioner Gordon for help, but as he starts the Batmobile, an alarm sounds, indicating that the ignition has been tampered with. Everyone dives safely for cover as a bomb goes off, destroying the car. Another threatening note is discovered in the wreckage: ONE BY ONE, I WILL DESTROY THE THINGS THAT MAKE YOU WHAT YOU ARE—AND THEN I WILL DESTROY YOU! Issue #3: The Man Behind The Mask! Batman goes off on his own to take vengeance on the person behind what is going on. Meanwhile, Robin calls Jack Edison, a stunt driver who has built the latest Batmobile for the Dynamic Duo, and commissions him to build another one at his usual fee with a bonus for the inconvenience. He gladly does so because Batman once saved his life by pulling him from a flaming car wreck. Batman searches the city, asking every informant he has about the case, but with no luck. He finally goes to see Commissioner Gordon at Gotham City Police H.Q. The Commissioner suggests that Batman does not want to find any clues because the suspect is someone close to him. Batman suddenly leaves Gordon to reminisce about the first time he met Batman; how Batman initially only left scrawled notes on the criminals he tied up and left for the police, until one day he caught a man about to attack Gordon with a knife. Batman quickly left, but later that night, he came to Gordon's office. Gordon pulled a gun and prepared to shoot him, but Batman explained that they were two of a kind, and that he was able to bend the law that Gordon