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Killer Croc

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Killer Croc
Real name: Waylon Jones


Alligator Wrestler, Gangster, Murderer

Base of Operations:



Hair: None
Height: 11 ft 0 in
Weight: Batman: Arkham Asylum: 580 pounds

Batman: Arkham City: 310 pounds

First Appearance: Batman: #358 (April 1983)

Voice Actor:

Steve Blum (AA, AC)

Khary Payton (AO)


"Tick Tock! Feed the Croc!"
―Killer Croc[src]
Born with a rare mutation that made his skin green and scaly, and which grew his body to grotesque proportions, Waylon Jones was raised by an alcoholic aunt and bullied relentlessly for his appearance.

He briefly worked as a carnival freak under the name Killer Croc, but his misanthropy grew as did his bestial nature, pushing him to a life of crime, increasingly detached from humanity. Croc seems to have two personalities, one is a basic street thug with no morals, the other is that of a cannibal whos mind is based completely on animal instinct.


Born with a rare skin disease that only worsened over time, Waylon Jones was put under the guardianship of his incredibly abusive and alcoholic aunt after his mother died giving birth to him and his father abandoned him. Brutally abused in his home and relentlessly bullied at school, Waylon accepted his place in society as always being seen as a monster.

As the years went on, Jones's condition would make him more and more into a monster, eradicating any traces of humanity that might have been left as Croc became a monster in body and spirit. Always seeking his next meal, Croc has never forgotten the scent of Batman and lusts to kill and devour the hero in retribution for his capture at his hands.

Incident ReportsEdit

Before Arkham Origins IncidentEdit

Murdering his aunt after finally reaching his breaking point, Waylon fled from society and eventually joined a traveling circus where he was made part of the freak-show, becoming known as "Killer Croc". Bonding with his fellow performers in the show, Jones finally felt as if he had a family, until a horrendous attack occurred at Gotham City by vicious audience members, destroying the circus and killing all whom Jones felt attachment for.

Seeing humanity as a disgusting waste of flesh, Jones became a cannibal murderer, often employing himself to the mob for money, before being apprehended by Batman on Christmas Eve.

Arkham Origins IncidentEdit


Batman vs Killer Croc

"The boss of me!"
Croc is one of the eight assassins hired by Black Mask to kill Batman. Croc worked alongside Black Mask as they carried Commissioner Gillian B. Loeb to the execution chamber in Blackgate Prison.

As Black Mask escaped by helicopter, Croc stayed behind to take on Batman, who was in pursuit of the mobster. Eventually, he was defeated, with Batman demanding Black Mask's location. Croc didn't reveal this, but revealed to Batman about the seven other assasins hired before being knocked out, where he was found by the GCPD.

He was then taken into custody by the Gotham police. Croc was seen briefly at Blackgate Prison attacking Batman during the Joker's riot.

Assault on Arkham IncidentEdit

Between Assault on Arkham and Arkham Asylum IncidentEdit

After Quincy Sharp succesfully re-opened Arkham Asylum, Killer Croc was presumably transferred to the new facility. It may also be that Croc escaped Blackgate, and was then reincarcerated at Arkham Asylum prior to Joker's takeover.

Road to Arkham IncidentEdit

He was under treatment by Dr. Whistler, who really believed Croc had some humanity in him. She kept believing this, even when he bit of guard Aaron Cash's hand. He was never able to escape the island, being held in the sewers, thus causing him to still be on the island when Joker took over.

Arkham Asylum IncidentEdit


Batman and the Joker bypass Croc on the way to the Intensive Treatment Center.

"I've got your scent Batman, I will hunt you down"
Killer Croc was one of the many inmates of Arkham Asylum at the time of the Joker's takeover. His physical condition has worsened considerably since he was hired as an assassin many years ago, as has his mind, becoming far more bestial in nature. Even more deformed and reptilian in appearance (as well as growing even larger), he was imprisoned in the sewer system of Arkham where the staff fed him meat and just tried to "forget about him". When Batman was escorting the Joker through the Intensive Care unit, Killer Croc was being escorted by some of the staff (Including Louie Green), with a shock collar around his neck to keep him under control.

Croc spotted Batman and claimed that he would hunt him down very soon. He was then taken back to his lair by a number of asylum security personnel when the Joker took control of the Asylum. He saw Batman passing by a locked door adjacent to the sewer. Croc punched the door's window, claiming that he would get Batman soon.

Eventually, Batman was forced to enter Croc's lair in order to retrieve the mold required to create the antidote to the TITAN compound, which the Joker was using in his schemes. Batman soon learned of the antidote's location after a discussion with Poison Ivy. He was then followed by another villain, Scarecrow, down into the sewers who threatened to dump his fear gas into the water supply, which would lead straight to the Gotham River. Before he could do so, however, Croc jumped out of the water and grabbed Scarecrow, thinking that he was a lone security guard or inmate. Batman attempted to subdue Croc by activating his shock collar with a batarang.

Croc flinched for a moment before jumping back into the water, dragging Scarecrow down with him. Batman made his way to Croc's lair, where Croc attacked him several times, only to be foiled by Batman activating his shock collar with batarangs. Eventually, Croc cornered Batman at the entrance of the lair and charged at him. Unbeknownest to him, Batman had laced the floor with explosive gel and detonated it as Croc ran across it. Croc then plummeted into the water below, vowing revenge on Batman.

After Arkham Asylum IncidentEdit

Croc was in the Asylum sewers even after the events that happened on the island, after Arkham City, Hugo Strange sent TYGER Operatives to lure him out using human meat. They failed but still obtained Croc and sent him in the city, where he roamed the sewers/subway. A hidden room can be found, it has a dirty, broken down matress, human skulls, and his collar. Scanning this room will help to solve one of Riddler's challenges.

Before Arkham City IncidentEdit

Arkham City IncidentEdit

Croc makes a brief, non-fighting, appearance. After fighting Ra's al Ghul, if Batman throws a Remote Batarang on a switch behind a gate, Croc will burst out of the wall behind it and recognize Batman. Batman then states that he doesn't want to fight him and just wants to move through. Croc says that Batman's scent has changed and senses death on him, as he goes back to into the sewer, he remarks that there is no need for a fight, as he will feed on Batman's corpse.

Catwoman mentions Croc as an option to open Hugo Strange's vault. Catwoman and several other inmates then claim that Croc ate Scarecrow during the events of Arkham Asylum (but, it turns out that Scarecrow is still alive, and was not eaten by Killer Croc).

After Arkham City IncidentEdit

His status after Akrham City is unknown, though it is likely he was arrested by GCPD when they invaded the city. He could have also stayed hidden in the sewers, leaving him still at large. Finally, he could have been killed during Protocol 10, though this is extremely unlikely, as Croc remained inside the sewers at all times. The missiles couldn't have hit him if he remained underground.

Arkham Knight IncidentEdit

It is rumored that Croc will appear in Arkham Knight. This leads some to believe that Scarecrow will try and have his revenge on Croc for attempting to eat him.

Psychological ProfileEdit


  • Incredibly thick, tough skin and razor-sharp teeth and claws
  • An expert wrestler, his strength and stamina are at a near-superhuman level
  • Heightened senses, and extremely fast reflexes
  • Able to survive in water for extended periods of time
  • An intense hatred of humanity

Patient InterviewsEdit

Killer CrocEdit

Real Name: Waylon Jones

GCPD ProfileEdit

Repeat offender. Unusual appearance. Classic criminal pattern. Broken home. Attended a reform school in Florida. Repeat juvenile offender. Killed another juvenile. Served life sentence in Florida system. Relocated to Gotham in recent years.

Jones is muscle-for-hire. His unusual appearance and casually sociophatic disposition means he will periodically resurface. The challenge for law enforcement is to restrain him in a manner that restricts collateral damage. Strong recommentation of tactical engagement only.

While you are unlikely to confuse Jones for another suspect. Individual's photo IDs should be studied. Jones' unusual condition has caused his appearance to change dramatically over the years.

Tactical advisory based on medical condition:

-Dermal condition appears to have granted tolerance to impact. Incluiding resistance to some small arms.

-Suspect is still growing. Initial intake reports had him at 6' 8 tall. Most recent intake recorded him over 8' 6. Do not assume size is a factor in considering a positive ID.

-Medical staff at various institutions have tried to treat injuries dealt to Jones only to be unable to find evidence of wounding. Suggests possible metahuman healing ability gifted by his overhall condition.

Batman's Database ProfileEdit


Dr. Penelope YoungEdit

Psychological Profile: Jones was born with a rare mutation that created a series of physical disfigurements which have worsened intensely with age. His skin is green and scaly and his body has grown to grotesque proportions. While these disfigurements are unquestionably the sources of Jones' various psychological disorders, his intense misanthropy seems to also derive from an understandably difficult childhood which included alcoholic relatives and social rejection by his peers. He increasingly embraces an animalist, subhuman conception of self.

Additional notes

"His acute misanthropy makes him difficult to treat, he refuses to respond to socialization, reacting only when he is acknowledged as a dangerous beast, which is clearly how he views himself. It may be that his physical disfigurements are so severe, he will never be able to truly integrate into human society. This challenge is made clear by repeated (and occasionally successful) attempts to maim and kill the asylum's orderlies and doctors."


Dr. Hugo StrangeEdit

Killer Croc


  • Tolerance to impacts
  • Metahuman strength and possible healing ability


Arkham OriginsEdit

  • "You wanted it smashed, so I smashed it!"
  • "Thought I caught your scent."
  • "Time to put an end to this,"
  • "The only boss'a me... is me!"

Arkham AsylumEdit

  • "I've got your scent, Batman. I will hunt you down."
  • "A toy collar wont stop me from killling you, Batman. I'll rip you apart, eat your bones."
  • "I'll find you, rip your flesh like paper."
  • "My caves will be your tomb!"
  • "I will find you!"

Arkham CityEdit

  • "You are not welcome here!"
  • "Your scent is...different. I smell death on you. I don't need to fight you, Batman. I just need to wait. And then...I will feed on your corpse."

Arkham KnightEdit

Game Over LinesEdit

Arkham Origins

  • "I'll line my lair with your flesh, Batman!"
    Batman Arkham Origins - Game Over Killer Croc00:38

    Batman Arkham Origins - Game Over Killer Croc

  • *breathes in* Ahhh, the sweet scent of defeat."
  • "Looks like dinner is served!" (eats camera)

​Arkham Asylum

  • "I will enjoy feasting on your bones!" (eats camera)
  • "Tick tock, Feed the croc!"



  • He and Bane are the only assassin's hired by Joker to appear in all the Arkham games.
  • In one of the three alternate endings in Batman: Arkham Asylum after the credits, Killer Croc emerges from the water by Arkham's docks and grabs onto a floating case of Titan.It is also thought that Scarecrow did the same when escaping Arkham Asylum.
  • If the player makes Batman move about after Killer Croc comes out of the elevator and spots him, Killer Croc's head will follow him no matter where Batman moves about.
  • In the beginning of the game, Joker can be heard saying, "Tick-tock, tick-tock, is that a crocodile I hear?" This is a nod to Peter Pan, which features a crocodile that at one point swallowed a clock, causing people around it to hear the infamous ticking as it drew near.
  • Aaron Cash's missing hand is also a nod to Peter Pan.
  • In Dr. Young's notes, Penguin's signature is seen at the top of his page. This could be a small reference to LEGO Batman: The Videogame, in which Penguin and Killer Croc teamed up in an evil plan to terrorize Gotham.
  • In Arkham's Medical Facility's Sanatorium, an old prison cell is used as a Riddler Challenge puzzle to unlock Croc's Biography. This was most likely Croc's previous cell before he was moved to the sewers. The cell, however, seems to be too small to fit something as big as Killer Croc.
  • After the events of Arkham City, Croc can be seen in the Iceberg Lounge Challenge map teamed up with Penguin and watching Batman fight many enemies while smoking a cigar and sipping from a glass of liquor.
  • In his appearance in Arkham City, Croc appeared to be thinner than when he was in Arkham Asylum. This could be due to the lack of fresh food whilst in the sewers.
  • Croc is actually 11ft tall, it was mentioned correct in Arkham Asylum, but not in Arkham City (in Arkham Origins the younger Croc is only 9ft 8 inches tall).
  • In Arkham Origins, Batman is able to go toe-to-toe with Croc in a hand-to-hand fight, however in Arkham Asylum no such thing is possible. This could be an indication that Croc's futher mutation over the course of the years has made his skin so thick that Batman is no longer able to physically harm him (However, it should be noted that when they encountered one another in Croc's lair, the entire area was submerged in deep water. And given Croc's proefficiency in swimming, it probably shouldn't count as a fair fight).
  • He is one of the few in Arkham City villains to not have a game over scene (along with Bane and Hush) however this can be attributed to the fact that none of these characters can physically kill the player within the game.
  • There is no collar in Arkham City, due to the "No Cell Policy," so he is free to run amok. You can however find the collar in Croc's room in the sewer.
  • Croc's different appearance in Arkham Origins is attributed to the fact that he is younger, and his mutation has not progressed to the point where he is most monster than man.
  • Killer Croc is one of the only five villians to appear in all Arkham games; The other four are Joker, Bane, Riddler and Harley Quinn. Although Riddler never physically appears in Arkham Asylum he still played a big part of the game and Harley only appears as Harleen Quinzel in Arkham Origins.
  • As seen in the "Gallery" of this page, Killer Croc not only kills his victims by hand. He also shoots them, as he used to own multiple guns. He also used to possess a bag of cocaine (and a weed plant according to rumors) meaning he deals in or more likely(given his human side is that of a street thug) uses drugs.

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