Aaron Cash

One of the most senior and respected security guards at Arkham Asylum, Aaron Cash is only afraid of one inmate - Killer Croc, who severely wounded Cash and ate his left hand during a riot at the asylum. Cash remains determined, however, to keep the asylum's inmates under control and conquer his fears of Killer Croc.

Aaron Cash was a GCPD Officer at the time. A picture of Cash and his family could be found under the GCPD Building, however, Batman did not meet Cash at that time. That may have been because he was with his family.

When Cash was a rookie at the GCPD, Captain James Gordon introduced him to Batman.

Cash and his partner investigated a lead to the killings in The Order of St. Dumas, and, when they arrived, they had found Azrael, armed with a sword surrounded by scared children. Cash's partner, after he thought that Azrael was the killer, told Azrael to step back. When Azrael did not comply, he was shot. Cash's partner then told Cash to get the kids out of the building. While he escorted the kids out, Cash forgot a child, and when he came back for her, saw his partner burn Azrael’s body. After the incident, it was revealed that Azrael was not the killer and that the real killer had been found dead from a stab wound. Cash's partner then resigned from the GCPD. That event haunted Cash for years.

Sometime between Christmas Eve and the Joker's takeover, Cash quit his job as a GCPD Officer and became a security guard at Arkham Asylum. On February the 28th, Cash lost his left hand after he was attacked by Killer Croc in a breakout, and began to wear a hook to compensate.

Cash was one of the many guards who were present at Arkham, when The Joker was recaptured by Batman. He operated the weapons scanner during Joker's arrival and presented much displeasure and caution at having him return. During the Joker's takeover, Cash made his way to the Medical Facility, where he got trapped by Joker and his henchmen in the Patient Observation Room while he tried to rescue Dr. Stephen Kellerman. Cash and Kellerman managed to escape Joker's Gas by locking themselves in the control room. Cash was found by Batman, who took out the two thugs that watched Cash and Kellerman. Batman was able to restore the ventilation system and saved them both.

Cash then regrouped with the rest of the Medical staff and agreed to escort Dr. Penelope Young to the Arkham Mansion in order to find her notes. Inside the Arkham Mansion, however, Cash and Young were ambushed by Joker's Henchmen. Cash told Young to flee as he and Zach Franklin held off the henchmen. The two were inevitably taken hostage and interrogated brutally in the Records Room on the whereabouts of Young. The henchmen's efforts to make them talk were futile, as Cash refused to answer and even taunted the henchmen and further frustrated them.

Shortly afterward, Batman arrived on the scene, rescued Cash and Franklin, and learned of Young's location from Cash. Both Cash and Franklin regrouped with Kevin Liew and another security staff member in the Main Hall when Poison Ivy's Plants took control of Arkham Island. The group was trapped inside the Arkham Mansion, with the third member of security who was killed by the mutant plants. Batman returned to Arkham Mansion in order to learn the whereabouts of Croc from Cash. After he retrieved the information, Batman instructed that Cash stay put until Ivy was defeated. Cash ultimately survived the attack on Arkham Island and returned to his post after Joker's defeat. In the end, before he returned to his post, Cash was seen being examined by a doctor at the Medical Facility.

Unknown to anyone else, Cash had witnessed Warden Quincy Sharp write an elaborate message on the floor of the Cell Block Control Room via a security monitor.

After the incident, Arkham Asylum was closed down, and Cash lost his job. With no other options, Cash joined a medical team in Arkham City and worked to provide protection for the doctors. Cash also tried to prevent a prisoner named Jimmy Briggs from being transferred to Arkham City and knew that Jimmy was a model inmate. Jimmy begged Cash not to have him thrown in there, but Cash only responded in a defeated tone that the matter was out of his hands.

Cash chose the Church near the Solomon Wayne Courthouse to situate the medical team at. Professor Hugo Strange provided minimal medical supplies to the group, which forced Cash to request for donations. One of the first donators was Bruce Wayne, who supplied the team with security shutters to keep them safe, along with cutting-edge body armor and supplies. Strange was furious, so he cut off all access to the outside world.

Harley Quinn and seven of Joker's Henchmen busted into the church, took Dr. Stacey Baker to the Sionis Steel Mill, and held the rest of the medical team hostage. Batman arrived and took down three unarmed henchmen outside the building. After a conversation with Alfred Pennyworth, Batman entered the building. Upon entering, Quinn tried to use her gymnastic skills to attack Batman, but he threw her aside and Joker's armed henchmen stopped him from going any further. Quinn taunted Batman a little then left. Batman dropped a Smoke Bomb, grappled up to evade the henchmen, proceeded to take them down, and rescued the hostages. Cash informed Batman that Quinn had taken something up the Bell Tower then blew the staircase. Cash also told him about Dr. Baker's abduction, and Batman promised to rescue her if she was still alive. Batman then investigated the Bell Tower and narrowly escaped the explosive surprise that was set up by the Joker.

Later on, Cash and the medical team were kidnapped by The Riddler. After he saved six of Riddler's hostages, one at the Solomon Wayne Courthouse, five from death traps that were hidden around Arkham City, and solved 400 Riddles, Batman discovered the location of Riddler's Lair , via Oracle, where Cash and the rest of the medical teams were forced to walk around with explosives that were attached to them. Batman took down Riddler and saved Cash and the rest of the medical team. Cash took his revenge by placing Riddler in the same position with the threat of the bombs. In actuality, the bombs were disarmed and harmless, but Cash hid that from Riddler for revenge. When Cash decided that he had punished Riddler long enough, he escorted him back to the Church with the medical staff, and arrested him.

Later on, after Batman saved Cash and the medical team from Riddler, a large number of inmates attacked the Church looking for revenge against Mayor Sharp. While the inmates tried to break down the doors, Azrael came to their rescue and made himself known to the medical team first. Cash explained his experience involving Azrael to Vicki Vale. Meanwhile, the inmates finally broke through the first door only to find the second door protected by a blast door. The inmates then called on Bane whom they convinced that there was Titan in the building. The medical team tried to fight Bane off, but were unable to stop him. Azrael then arrived to their rescue, took out some of the inmates, then confronted Bane himself who threw him aside. Cash then jumped to Azrael’s defense and even scratched Bane in the face. Bane, in anger, nearly killed Cash, but Azrael jumped to his rescue and defeated Bane by cutting him off from his Venom tank. Azrael then called Cash 'rookie', a nickname his partner Michael Lane used to call him. After they defeated and captured Bane, Azrael and the rest of the medical team fought off the remaining inmates who then fled in terror. Azrael then left, and Vicki said how Cash had some interesting friendships.

After Arkham City was shut down, Cash and the rest of the medical team left Arkham City for good. Cash was appointed by Commissioner Gordon to supervise the cleanup efforts. Cash then returned to work full-time at the GCPD.

Shortly after the destruction of Arkham Asylum, and the cremation of Joker, Cash participated in a meeting at Wayne Tower where Bruce Wayne was discussing with the current mayor and deputy mayor how to rebuild Gotham from the aftermath of Arkham City. While there, he praised Aaron Cash's actions. Later that night, Gordon was struck by a dose of Joker Toxin due to contact with his body. Batman enlisted Cash's help in carrying Gordon to Joker's Hideout in Arkham City, while he went to get Quinn and interrogated her. Batman succeeded in finding a storage room that contained the antidote for the toxin, but ran into Croc. Batman was nearly defeated, but then Cash intervened, distracted Croc long enough for Batman to grab his last Freeze Blast and immobilized him. Gordon was then finally cured.

In the wake of Calendar Man's poison attack and the brutal toll on Batman's wellbeing, Gordon discussed the dangers of the job with Cash which led Cash to mention the opinions of his wife Michelle.

After Gotham City's citizens were evacuated, Cash stayed behind along with most of the GCPD. Cash was stationed at the GCPD Lockupwhere he looked after the Maximum Security Cells that held the supervillains, and gave Batman information on several criminal activities that occurred across the city. After Gordon went missing when he tried to look for Scarecrow, Cash took over as the temporary leader of the GCPD. He recorded audio files on new display cases of evidence every time that Batman had brought in a supervillain.

After Batman and Nightwing defeated Croc and the surviving inmates at the Iron Heights Penitentiary and apprehended Warden Rankenfor illegally experimenting on Croc and the inmates, they transported Croc, Ranken, and the prisoners via the Batwing (due to Croc being too big to fit in the Batmobile) and landed on top of the GCPD, where Cash appeared with a cadre of GCPD Officers who carried long shock prods in order to keep Croc under control. Batman turned Croc, Ranken, and the inmates over to Cash and his men. Cash and his men escorted Croc and the others to an elevator and imprisoned them in the Maximum Security Holding Cells that were located in the West Wing of the GCPD Lockup.

Croc's severed left arm which was recovered from Iron Heights could be found in the Evidence Display in the West Wing as well. Despite noting the poetic justice of Croc losing a hand, Cash admitted feeling sympathy for the torturous experiments that Croc had suffered, though he still retained some of his old hostility toward Croc, and pointed out that his hand, unlike Croc's, didn't grow back.

Adding onto the insanity, the Mad Hatter arrived and explained that he had captured three GCPD Officers. However, he refused to talk to anyone about it except Batman. Cash was forced to call in Batman to deal with Tetch and grew annoyed with him. When Batman arrived, Cash offered to turn off the cameras, in order to let Batman beat up Tetch to get information out of him. After GCPD Officers Katz and McQueen were returned, Cash called Batman and explained that Officer Lori had arrived without his car.

Once Tetch was beaten, Cash put the masks of the Cheshire Cat, the Queen of Hearts, and the White Rabbit in a display case with the book called "Batman's Adventures in Wonderland".

When Batman arrived for Ivy's help, Cash asked him about what happened on Simon Stagg's Airships and Batman told him that Scarecrow had taken the Cloudburst. Batman asked him of Gordon's whereabouts and Cash couldn't reach him when he was still searching for Barbara. As Cash wanted Batman to know that he had found her, he told Cash the sad news about Barbara, and Cash, devastated, refused Batman to say about more about her death.

When Batman brings in Kirk Langstrom, Cash is amazed. He asks if Kirk will be alright, to which Batman replies that physically, he will be. After Langstrom turns into Man-Bat and escapes from the facility, Officer Boulden tells Batman that Cash was able to fire a few shots at Langstrom before making his escape.

After Batman's identity as Bruce Wayne was exposed to the public, when Batman returned to GCPD with a captured Scarecrow in tow, as he took the criminal into custody, Cash said that he would still refer to him as Batman.

Later, Cash mentioned that the Mayor had faxed an arrest warrant for Bruce Wayne, but they had a convenient fax malfunction. In other words, Cash had destroyed the warrant and believed that Batman didn't deserve to be arrested for all the good that he had done for Gotham in the last decade.

Aaron Cash supervised Riddler while the criminal was supposedly calling his lawyer. In truth, Riddler was calling his robot factory's A.I. beneath Winslow's Toy Store to send his robots to break him out. However, Catwoman was at the factory to steal Riddler's fortune and destroy the factory as revenge for being held captive previously. Cash later tazed Riddler when his phone call got heated and suspicious just as his supercomputer was blowing up.

Aaron Cash, presumably acting as Police Commissioner, greets Penguin and returns him to his cell but not before offering to repair the Bat Symbol and replace it with a Nightwing logo. Nightwing thanks him for the offer but turns him down, saying his return to Gotham isn't permanent.