This is a list of all those who have died in the series, and those who are mentioned to have died during the series. This includes all the games and their tie-in media.
Note: This page is under indefinite construction. Anyone who wishes to make additional entries are welcome so long as they're considered canon to the Arkhamverse.
Pre-Batman: Arkham Origins[]
- Henry Cobblepot - Run over in a car accident arranged by Cyrus Pinkney.
- Elizabeth Arkham - Euthanized by Amadeus Arkham due to dementia.
- Constance Arkham - Killed by Martin "Mad Dog" Hawkins.
- Harriett Arkham - Killed by Martin "Mad Dog" Hawkins.
- Martin "Mad Dog" Hawkins - Electrocuted by Amadeus Arkham.
- Amadeus Arkham - Died from unknown causes.
- Thomas and Martha Wayne - Shot by Joe Chill.
Batman: Arkham Origins[]
- Giovanni Luchese - Shot through the heart by the Joker.
- Tiffany Ambrose - Unwillingly killed by Black Mask, when the Joker forced him to pull the trigger.
- Gillian B. Loeb - Gassed to death by the Joker, who was disguised as Black Mask at the time.
- David Shannon - Killed by John F. Baker and Enigma.
- John F. Baker - Electrocuted by a trap set by Enigma.
- Bank Manager - Poisoned with Smilex by the Joker.
- Electrocutioner - Defenestrated by the Joker.
- Bryan Murphy - Defenestrated by Robert Hanes.
- Owen Grant - Shot in the abdomen by Chucky Berks.
- Alex Cane - Shot through the heart by Qing Lu.
- Nate Ramo - Run over by John DeMarco.
- Matthew Kadai - Killed by Andrew Carter.
- Horace Riley - Shot in the lung by Ian Chase, before he drowned in his own blood.
- Clarissa Rodriguez - Shot in the abdomen by Ian Chase.
Batman: Arkham Shadow[]
- Officer Marks - Killed by a member of the Rats.
- Shrike - Suicide by immolation and self-defenestration.
- Donnegan - Killed by Arnold Wesker.
Pre-Batman Arkham Asylum[]
- Catman - Shot by Jason Todd.
- Blockbuster - Shot by Harley Quinn.
- 324 unnamed people, including a mugger and 20 women - Killed by Victor Zsasz.
Batman: Arkham Asylum[]
- Titan Henchman - One died during a fight with Batman due to a heart attack.
- Frank Boles - Likely killed by Harley Quinn under the Joker's orders.
- Masked Guards - Countless were killed during the Arkham riots.
- Thomas Armbruster - Killed by the Joker (unknown if this is canon)
- Penelope Young - Indirectly killed in a rigged explosion by the Joker.
- Robert Stirling - Killed by the Joker.
- Luke Curtis - Killed by the Joker.
Pre-Batman: Arkham City[]
- A. Rowse - Stabbed to death by Victor Zsasz.
- J. Carpenter - Stabbed to death by Victor Zsasz.
Batman: Arkham City[]
- Razor - Impaled by a deathtrap set by Penguin.
- Laurence Graham - Shot by Deadshot.
- Officer Best - Shot in the back by the Penguin.
- Sarli Jayakody - Shot by Deadshot.
- Andrew Brian - Shot by Deadshot.
- Hugo Strange - Stabbed by Ra's al Ghul.
- Ra's al Ghul - Stabbed himself in an attempt to kill Batman. (later semi-revived)
- Talia al Ghul - Shot by the Joker.
- Joker - Died from the illness he received from a Titan overdose.
Post-Batman: Arkham City[]
- Electrocutioner II - Killed by the Arkham Knight.
- Quincy Sharp - Suicide by hanging.
Batman: Arkham Knight - Genesis[]
- Ratcatcher - Electrocuted and burned alive simultaneously via taser by the Arkham Knight.
Batman: Arkham Knight (comic)[]
- Tweedledum and Tweedledee - Shot by the Arkham Knight.
- Tweedledie - Shot by the Arkham Knight.
Batman: Arkham Knight[]
- Martin Drescher - Killed by the Militia.
- Steven Reilly - Killed by the Militia.
- Gerald Wicker - Killed by the Militia.
- Anthony Lund - Killed by Professor Pyg.
- Franklin Accardo - Killed by Professor Pyg.
- Robert Kincaid - Killed by Professor Pyg.
- Lisa Mendes - Killed by Professor Pyg.
- Ella Montgomery - Killed by Professor Pyg.
- Alison Wears - Killed by Professor Pyg.
- Francine Langstrom - Killed by Man-Bat. (post-mortem status unknown)
- Christina Bell - Shot by Henry Adams.
- Johnny Charisma - Shot by Henry Adams.
- Albert King - Shot by Henry Adams.
- Henry Adams - Suicide by gunshot.
- Poison Ivy - Sacrificed herself to clear Gotham of Scarecrow's fear toxin.
- Black Mask - Presumably defenestrated by Red Hood.
Suicide Squad: Kill Arkham Asylum[]
- Numerous Arkham Asylum Security Guards - Killed by prisoners during a riot.
- Victor Zsasz - Beheaded by King Shark.
- Great White Shark - Shot by Deathstroke.
- Ventriloquist and Scarface - Frozen solid via freeze ray by a member of the Freeze-Fire Unit for the Arkham Enhanced Defense Soldiers, and then shattered into pieces after being accidentally knocked over by Harley Quinn.
- Condiment King - Dismembered by Captain Boomerang and bled to death.
- Hypnotic - Died from Spontaneous Cranial Eruption as a result of being overwhelmed by his powers.
- Spellbinder and Crazy Quilt - Most likely killed each other in a fight orchestrated by the Mad Hatter.
- Mad Hatter - Run through the forehead by Captain Boomerang.
- Clayface - Beheaded by King Shark.
Suicide Squad: Kill the Justice League[]
- Robin - Presumably killed by the Batman Clone.
- Sydney Happersen - Beheaded by Lex Luthor via nanobomb.
- Lex Luthor - Killed by the Flash Clone.
- Flash Clone - Shot to death by the Suicide Squad.
- Green Lantern Clone - Shot in the head by Deadshot.
- Wonder Woman - Killed by the Superman Clone.
- Batman Clone - Shot in the head by Harley Quinn.
- Superman Clone - Shot to death by the Suicide Squad.
- Brainiac #1 - Run through the head by Amanda Waller.
- Brainiacs #2 - #7 - Run through the head by the Suicide Squad.
- Brainiacs #8 - #10 - Killed by Deathstroke.
- Brainiacs #11 and #12 - Shot to death by the Suicide Squad.