- Cool Old Guy: Commonly depicted as a benevolent mentor to his partners/fellow host bodies.
- Death Is Cheap:
- He's killed during Brightest Day by Black Lantern Firestorm.
- According to the start of the New 52 run, he's dead before the story begins, but soon it turns out he's not entirely dead, and he's back in the living soon after.
- Married to the Job: It got so bad that his wife divorced him.
- Non-Action Guy: He's a scientist and is never the host body for Firestorm.
- Retcon: Doomsday Clock claims he was actually a government plant all along, becoming Firestorm included.
- Alliterative Name: Ronald Roy Raymond.
- An Arm and a Leg: During The Fury of Firestorm, he loses an arm at one point. He eventually manages to get it back.
- Death Is Cheap: Stabbed through the chest during Identity Crisis, which kills him. He gets revived at the end of Blackest Night.
- Dumb Jock: A high school American Football player who is not very bright.
- Hero with Bad Publicity: In Doomsday Clock, thanks to a mix of Ronnie's powers apparently going off and turning an entire crowd of people to glass, anti-metahuman suspicion, and Ronnie's behaviour whenever caught on camera making him come across as a raving lunatic.
- Lovable Jock: Despite his Dumb Jock status above, his heart is in the right place.
- Tall, Dark, and Handsome: Commonly depicted as such.
- Teeth-Clenched Teamwork: With Jason, after his resurrection, and in The Fury of Firestorm. The former because Jason unfairly blames Ronnie for what the Black Lantern Firestorm did to Gehenna. In the later, it's just because, and they do eventually manage to get over it... mostly.
- Two First Names: His last name could easily pass as his second given name.
- Academic Athlete: Depending on the Writer, he's also a varsity player in addition to a scholar.
- Affirmative-Action Legacy: He is Ronnie's African-American successor.
- And I Must Scream: Black Lantern Firestorm forces Jason to merge with him, using his intelligent to attack his friends and allies, while Jason can do little more than scream.
- Badass Bookworm: A scholar and a varsity player, Depending on the Writer.
- Bad Job, Worse Uniform: Takes a job as a chicken restaurant's mascot early in his run, which includes aa Big Bird-like suit. He isn't all that happy, but money is money.
- Black and Nerdy: He's a brilliant scholar.
- Legacy Character: To Ronnie. According to Infinite Crisis, had the original Crisis never occurred, Jason would've come from the universe of nothing but Legacy Characters.
- Butt-Monkey: Kept getting her businesses accidentally destroyed by Firestorm.
- Defeat by Modesty: Firestorm gets away from her after the second time she gets mad at him for accidentally ruining her business by transmuting her clothing into soapsuds, which understandably distracts her.
- Everyone Has Standards: Saves Firestorm from Hyena because she may not like him, but she doesn't want to see him dead.
- Hand-or-Object Underwear: When Firestorm transmutes her clothes into soap suds.
- Hilarity Sues: She threatens to sue Firestorm when he accidentally wipes all her computers while doing superheroics.
- Put on a Bus: She gets transplanted over to the cast of Green Arrow after the New 52 reboot.
Firehawk / Lorraine Reilly
- Costume Evolution: Started off in a purple / orange number. During Crisis on Infinite Earths, it got shredded. Fortunately, she used her powers to instantly fix that, switching to a blue / gold number, which she's stuck with since.
- Flaming Hair: Same as Firestorm, though she can change the color. It started off orange, then later switched to blue. Also, apparently, it doesn't generate as much heat as you'd think, since she once had to reassure Martian Manhunter (who is vulnerable to fire) that it wasn't a threat to him.
- Flying Firepower
- Intangible Man: One of her powers.
- Retgone: Another victim of the big Flashpoint erasure, though she returned with Doomsday Clock.
- Retired Badass: She quit around the time of Ronnie's death, though she took up superheroing again when Jason started up.
- Unwitting Test Subject: Experimented on in an attempt to recreate Firestorm's powers. It worked, and without any sort of cruel and ironic twist.
- Captain Geographic: She's the Firestorm of France.
- Flaming Hair: Blue, in her case.
- Flying Firepower: The basic Firestorm powerset of flying and generating flame.
- Fusion Dance: An entirely unwilling one between her and Jason produces Scorn.
- In Name Only: She shares a codename and some of the look of Lorraine, but has no connection to her otherwise.
- Mysterious Past: She appears in four issues, which doesn't give any indication as to her backstory. In fact, she doesn't even get a second name. Her first is Theresa, and that's the sum total the audience learns about her.
- Nice Gal: She's generally pretty nice and easily forgiving. No case of French Jerk to be found here. The most worst said about her is being exasperated by Jason's impetuous actions trying to save Ronnie.
- Poirot Speak: You can tell she's French because she alternates between English and French.
- Slasher Smile: The last time she's seen, she's sporting one of these, as she's about to go critical in front of Zither...
- Taking You with Me: Supposedly killed by Wrath, the merged form of Pozhar and Ronnie, she soon reforms right in front of Zither, who had tried to kill all the Zithertech Firestorms, just as her matrix is going critical.
- We Hardly Knew Ye: First appears in The Fury of Firestorm issue 9, and dies (maybe) in issue 12. Hasn't been seen since, and given Lorranie's been returned to continuity, chances are she won't reappear.
- Collateral Angst: In Blackest Night, she's killed so Jason can angst and have a reason not to work with Ronnie.
- Cruel and Unusual Death: Her death's something out of a horror movie - turned into salt while screaming to Jason that she loves him, then her heart's punched out.
- Dying to Be Replaced: Dies horrifically just so Ronnie can take her place in the Firestorm team-up.
- Girlish Pigtails: Her hairstyle.
- Only One Name: She doesn't have a last name, although she was referred to as "Ms. Hewitt".
- Teleportation: She can teleport to certain distances.
- Ascended Extra: He plays an unexpectedly large role in Doomsday Clock, the crossover event story with the Watchmen universe.
- Badass Family: His niece Serafina Arkadina/Firebird is also a member of Russia's hero team the People's Heroes.
- Captain Patriotic: He is fiercely loyal to Mother Russia, bordering on My Country, Right or Wrong.
- Happily Married: To his wife Nina. He gets somewhat uncomfortable when Firestorm kisses Firehawk because he's married.
- Language Barrier: It's not normally a problem because the Firestorm Matrix allows telepathic communication, but when he and Ronnie finally meet face-to-face, they run into a roadblock because he can't speak English and Ronnie can't speak Russian.
- Papa Wolf: Is devoted to his family.
- Transatlantic Equivalent: In-Universe, he is Firestorm's rather more unhinged Russian counterpart. He became part of the Firestorm Matrix after accidentally fusing with Jason Rusch.
- Well-Intentioned Extremist: His Fury of Firestorm incarnation is determined to prevent wild Firestorms going rogue and causing devastation, and he's prepared to do anything for that.
John Ravenhair is a Native American born Black-Cloud-in-Morning and raised in Queens, New York. When his great-grandfather, Bison-Black-as-Midnight-Sky, is killed in a mugging, he becomes influenced and possessed by his ancestor's spirit. This leads him to set about avenging the wrongs committed against the Native American people. When removed from the angry spirit, he occasionally acts for good, but is frequently a threat to Firestorm.
- Alliterative Name: Black Bison.
- Animate Inanimate Object: Can bring to life any inanimate object through magic. These can range from toys to even the Statue of Liberty.
- Braids, Beads and Buckskins: Dresses in a stereotypical native American outfit and wields a coup stick and a tribal shield as weapons.
- Color Animal Codename: The Black Bison.
- Grand Theft Me: John Ravenhair was possessed by the soul of his great-grandfather, forcing him to become Black Bison.
- Killed Off for Real: He was one of the many casualties of the Infinite Crisis event, and would only return due to the New 52 reset.
- Weather Manipulation: Black Bison's Coup-Stick can control the weather; allowing him the ability to command storms to ride in his wake.
Bernard "Barney" Bonner became the electronic villain the Bug. He along with his partner Byte fought Firestorm on several occasions on the electronic web.
Blythe Bonner and her brother would create power-suits able to have complete electronic interaction. Taking the name Byte she would come to battle both Firestorm and Firehawk on waves of electronic web
Originally an independent sentient Black Lantern version of Firestorm, following The New 52 reboot, Deathstorm was a member of the Earth-3 Crime Syndicate who invaded Earth during Trinity War & Forever Evil.
- The Dragon: For Necron, during Brightest Day.
- Enemy Without: Starts off hidden inside the Firestorm Matrix, but part way through Brightest Day he reveals himself and busts out.
- Hero Killer: He turns Professor Stein into salt.
- Omnicidal Maniac: As a Black Lantern, Deathstorm's goal is to kill all living things everywhere.
- Totally Radical: Speaks like a parody of a 90s teen.
A mercenary, he worked under the employ of Henry Hewitt on behalf of the 2000 Committee. The Enforcer aided in the abduction of Lorraine Reilly and fought with the hero known as Firestorm.
- Hired Gun: He was hired by Tokamak to fight Firestorm.
Mica Love was a hired mercenary and the second of such individuals to assume the guise of the Enforcer. The Enforcer, as well as her predecessor Leroy Merkyn, worked for the 2000 Committee under industrialist Henry Hewitt. Hewitt had the Enforcers abduct U.S. senator Walter Reilly and his teenage daughter, Lorraine.
Frederick Delmar, aka Goldenrod is an enemy of Firestorm with plant-related powers.
- Death of Personality: Realizing that he could no longer continue to exist as he was, he chose to remove his physical form, transforming into a free-floating cloud of pollen. Goldenrod's dispersed molecules blew away into the night wind.
- Killed Off for Real: His human personality died at the end of his only appearance and has never been brought back.
- Plant Person: Was turned into a humanoid plant after being exposed to some experimental drugs.
- Heinous Hyena: A dangerous humanoid hyena (even if they don't look like one).
- Our Werebeasts Are Different: A were-hyena that looks more like a werewolf.
The first Hyena, Summer Day, joined the Peace Corps as a result of relational issues with her father and was turned into a werehyena as a result of an accident in Africa. Taking the name the Hyena, Summer returned to America and began attacking both criminals and police officers. A result of her condition is a steadily progressing madness.
- Anti-Villain: She isn't really evil, just completely wild and unpredictable. Although she will assault the cops or heroes for no apparent reason, she is likely to attack the common criminals just as well, since she actively hates them. And when Firestorm gets afflicted with her curse, she is willing to help him find a cure.
- Artistic License Biology: She is supposed to be a humanoid hyena hybrid, but bears no similarities to actual hyena, looking more like a standard werewolf, albeit with penchant to laugh all the time. Oddly enough, her very first appearance was slightly closer to the source material.
- Curb-Stomp Battle: Her initial incarnation used to dish these out to Firestorm like candy. During their first fight, he was unable to land a single hit on her, while Hyena was beating him up without much effort. He only managed to save his neck by bringing down an electric pylon (behind her back) onto her.
- Demoted to Extra: Started out as one of the most prominent and dangerous Firestorm's enemies, but got pushed to the background and nearly forgotten rather quickly, having only few very short cameos here and there. Eventually, she was killed (rather unceremoniously) by Deadshot during one such cameo.
- Enemy Mine: Strikes an alliance with Firestorm when he and Summer's lover Jivan Shi are infected with Hyena's curse. She even saves the former one's life when he is about to be killed by the latter.
- Lightning Bruiser: The main reason why she usually wins one-on-one fights against Firestorm (or at least she used to) is her speed. She easily dodges his ranged attacks and he is no match for her in close combat (when he tried to fire his energy beam point-blank at her, she just grabbed him by the wrist and yanked his arm, redirecting the beam elsewhere). Apart from that, Hyena is also quite durable (bringing down an electric pylon onto her mentioned above only served to temporarily knock her out) and according to Firestorm himself, she has a "wallop like a wrecking ball".
- Our Monsters Are Different: Everything about her screams werewolf, except for the fact that she is a hyena.
- Punny Name: Lampshaded when she first appeared- apparently her mom was really into puns.
- Tragic Villain: She has no control over her transformation, and the whole reason she got stuck with her curse in the first place was because she tried to help a wounded warrior, and had shown zero signs of corruption prior to that event.
- With Great Power Comes Great Insanity: The curse of the werehyena causes anyone suffering it to gradually go insane. It is theorised that the madness suffered by the werehyenas is one's bestial side taking over, coupled with an exaggeration of negative emotions.
The second Hyena, Doctor Jivan Shi, was a psychiatrist whom Summer Day had fallen in love with while he was attempting to treat her werehyena condition. One night, as Summer and Jivan were embracing, Summer transformed into the Hyena and infected Jivan with the werehyena curse. Professor Stein noted that being the Hyena seemed to have warped Jivan Shi's mind.
- C-List Fodder: He is one of the many villains that was killed off in Salvation Run.
- Shout-Out: His name is one to the French faschion house Givenchy (the English prponounciation of Jivan Shi is nearly identical to the French pronounciation of Givenchy).
- With Great Power Comes Great Insanity: The curse of the werehyena causes anyone suffering it to gradually go insane. It is theorized that the madness suffered by the werehyenas is one's bestial side taking over, coupled with an exaggeration of negative emotions.
Killer Frost is a legacy super-villain name with ice powers. The name was originally used by Crystal Frost, a Hudson University student who angrily hated men. Her successor was Louise Lincoln, a friend who took up the mantle after her death. After the New 52 relaunch, Caitlin Snow was introduced as the first to take the name in the new timeline. A scientist at S.T.A.R. Labs, she was transformed during an attempt to save herself from H.I.V.E. agents.
Tropes Common to all Killer Frosts
- Aborted Arc: The Fury of Firestorm begins with a Zithertech agent called Doctor Loren Fortier, who's caught in the blast of Ronnie and Jason first becoming Firestorm, and is shown to start freezing everything around her while turning blue. Then the writers change (several times) and Fortier is forgotten. Dan Jurgens's run introduces Caitlin Snow as Killer Frost instead.
- Breakout Character: Killer Frost has proven popular enough with fans and writers that she has been used in Justice League and Young Justice (2010), as well as several video games and animated movies. The kicker? She appeared in most of these WITHOUT Firestorm. The only adaptations she appeared in that also included Firestorm were Batman: The Brave and the Bold, Justice League Action, and The Flash (2014).
- Evil Is Deathly Cold: Her first incarnation was a Woobie, Destroyer of Worlds, but the second one was completely Axe-Crazy.
- Fire/Ice Duo: Her and Firestorm, obviously enough.
- The first Killer Frost became one of Firestorm's first foes, wanting revenge on the world and especially against Firestorm, eventually becoming his Arch-Enemy. Even though there's two Firestorms out there (Ronnie Raymond and Jason Rusch) and three-four different incarnations of Killer Frost, the Arch-Enemy relationship between the various incarnations of their characters has always been present.
- A strange version of this happens on Crisis on Infinite Earths, where Killer Frost is brainwashed into helping the heroes, and becomes immensely clingy toward Firestorm (to his surprise AND dislike).
- An Ice Person: All versions of Killer Frost have the ability to absorb heat from external sources and transmute it into waves of cold. Using these powers, they can create an ice-sheen across her entire body that grants her increased durability, cause intense blizzards that can instantly freeze the target and generate objects composed completely of ice, such as projectiles in the form of ice shards and defensive walls or shields. She can also instantly freeze animate matter through physical contact, and is unable to touch a normal person without freezing them.
- Kill It with Fire: Averted. Contrary to others who share her power set, heat did little damage to Killer Frost. In fact, heat was essential to her continued existence. Attacking Killer Frost with a heat based-weapon would only serve to strengthen her.
- Kiss of Death: A favored tactic of hers is to kiss men and absorb their heat/freeze them from the inside.
- Legacy Character: There have been no less than three incarnations of Killer Frost, the second of whom explicitly took up the identity as a tribute to the first.
- Ms. Fanservice: Their supervillain outfits are very revealing and/or form-fitting.
- Steven Ulysses Perhero: Two incarnations have Frost and Snow as surnames. It's averted with the second Killer Frost, whose name is Louise Lincoln.
- Brainwashing for the Greater Good: Gets "recruited" by the Monitor during the Crisis, and then the Psycho-Pirate uses his powers to futz with her mind so she won't just try to kill everyone around her.
- Hot for Teacher: When Crystal Frost was a student at Hudson University, she fell in love with one of her professors, Martin Stein. Stein however, rejected Frost's affections.
- Hot Scientist: She was Stein's protege before her FaceHeel Turn, and very pretty.
- Killed Off for Real: She eventually died after she absorbed too much energy from Firestorm.
- Power Degeneration: The change in physiology that came with her ice powers included her body degrading at a rapid rate, much to her horror.
- Rapid Aging: A side-effect of her powers that Louise unfortunately discovers too late. The realization that her powers are killing her is what prompts Crystal to go on her final rampage as Killer Frost.
- Sanity Slippage: After found that her powers were slowly killing her, Crystal became even more insane and began terrorizing innocent civilians until she is stopped by Firestorm, and dies in the process.
- Steven Ulysses Perhero: She retains her last name, Frost, in her super villain identity, since it conveniently matched the ice powers she developed. In point of fact, her whole given name, Crystal Frost, turned out to be very prophetic of her eventual powers.
- Straw Feminist: She has an extreme hatred of men and froze them solid on sight, even her defense attorney. Granted, her male workers did not treat her with much respect, but she didn't go crazy until Martin Stein brushed off her advances when she mistook his platonic interest in her for attraction.
- Woman Scorned: Rejected by Martin Stein, she was devastated and her low self-esteem eventually developed into a hatred of all men and trying to kill Professor Stein multiple times.
- Alliterative Name: Louise Lincoln.
- Ax-Crazy: Louise is an insane super-villain who takes joy in killing people. There has been times where she has killed innocent civilians for no reason, or goes on a rampage in New York to get the Firestorm's attention. She is one of the most psychotic female villains of DC.
- Beware the Quiet Ones: As Louise Lincoln, she was a timid scientist who idolized Crystal Frost. Then she gets her powers, and decides to one-up the old Killer Frost in batshit insanity.
- The Bus Came Back: She finally returned to the main continuity during Doomsday Clock.
- Loony Fan: Louise was a friend of the original Killer Frost, and saw herself as a mere coattail-rider. This continued after Crystal became a supervillain and died fighting Firestorm, to the point where she decided to discard her old identity to become Killer Frost, ice powers, psychosis, and all.
- Manipulative Bitch: She manipulated the Tragic Villain Mr. Freeze into a relationship with her, only for her to reveal that she had never truly loved him and was using him as a pawn the entire time while they were being carted off to prison. In another story from before the Mr. Freeze incident, she discovered that she had contracted cancer, and manipulated the new Firestorm host Jason Rusch into curing it for her, and then went on a rampage, leading to Firestorm reversing the effects as a form of revenge.
- Ms. Fanservice: While all three versions have revealing and/or form-fitting outfits, Louise has the most sexualized look.
- That Man Is Dead: Always looked up to Crystal Frost, and when she decided to take on her legacy as Killer Frost, she declared her old identity dead.
- Antagonist in Mourning: She fell into a state of anger and despair when Firestorm went missing during Forever Evil, believing her chance of finding a cure to her heat vampirism was gone.
- Elemental Hair Composition: Her original design featured her having a spiked hairstyle made of icicles.
- HeelFace Turn: She reformed during the Justice League vs. Suicide Squad event, and went on to join the Justice League.
- Hidden Depths: Most characters, including even Eclipso, are surprised by the fact that she has a desire to make a positive difference. On a more mundane note, she enjoys doing jigsaw puzzles and is apparently a fan of Happy Days.
- Horror Hunger: She has an incessant hunger for organic heat, which requires her to absorb body heat from others- without doing so, she'll freeze to death. The process is nearly always fatal to those she targets, though she later learns to control it in a way that isn't dangerous to the person she's absorbing heat from.
- I Have No Son!: Implied. In Tis The Season To Be Freezin', she mentions that her family never invites her home for Christmas anymore, which is why she was able to do monitor duty on Christmas eve.
- One-Woman Army: In "Justice League Vs Suicide Squad", Killer Frost takes out the entire Justice League after absorbing the solar energy in Superman's body.
- Pair the Smart Ones: Justice League of America (Rebirth) paired her with fellow scientist Ryan Choi.
- Plot Allergy: In Tis The Season To Be Freezin', she puts cinnamon in Firestorm's mug of hot chocolate after he mentioned he liked it. Because he still doesn't trust her, he assumes she's trying to poison him and switches their drinks...only to find out that she's allergic to cinnamon. Luckily, he was able to use his powers to create an antihistamine for her.
- Steven Ulysses Perhero: A woman whose last name is "Snow" ends up becoming An Ice Person.
- Tragic Ice Character: She was once a brilliant young scientist with a bright future ahead of her and wanted nothing more than to help people. Unfortunately, some of her own coworkers locked her in a thermodynamic machine, intending to kill her. When she emerged, she was unable to generate her own body heat, and now needed to kill others (by freezing them) in order to survive. She becomes a stone-cold supervillain- but all she really wants is to feel warmth again. Thankfully, her story ultimately has a happy ending, as she learns to control her hunger and ends up joining the Justice League of America.
- Reformed, But Rejected: The 2021 Christmas annual, Tis The Season To Be Freezin', has her reconnect with Firestorm, who's reluctant to believe she's changed and even believes that her attempt at being friendly (offering him hot chocolate) is actually an attempt at poisoning him. Fortunately he soon warms up to her after she helps him take down the Royal Flush Gang.
- Brain Uploading: After dying on a mission with the Suicide Squad, her brain is used to create the digital supervillain Ifrit.
- Delinquent Hair: Her hair is in a mohawk.
- Killed Off for Real: She is one of the many Firestorm Rogues to die whilst serving on the Suicide Squad.
- Master of Illusion: One of her powers was to project illusions.
- Mind over Matter: Mindboggler can psionically induce highly convincing illusions in the minds of anyone in her vicinity.
Danton Black is a nuclear physicist who worked as Martin Stein's assistant in the designing of the Hudson Nuclear Facility. Feeling that he is not receiving his due credit, he begins stealing lab equipment. When he is caught by Stein and fired, he publicly accuses Stein of stealing his designs for the power plant. He breaks into the plant to steal blueprints to fabricate evidence on the same night that Stein attempts to bring it on line. Caught in the same explosion that fuses Stein and Ronnie Raymond into Firestorm, he gains the ability to split himself into identical duplicates, though those duplicates are smaller than the original, and get smaller the more he splits.
- Evil Counterpart: To Firestorm. They got their powers in the same incident, but while Firestorm is a fusion-powered superhero, Multiplex is a fission-powered supervillain.
- Flying Brick: Besides his duplication, Multiplex is super strong and is capable of flying. This isn't very present in most stories.
- Me's a Crowd: This is his main power.
- Rogues' Gallery Transplant: He fights the Barry Allen version of The Flash in the 2014 TV series, rather than Firestorm.
- Starter Villain: Firestorm's first enemy, and one of the most enduring.
- Tron Lines: Multiplex's costume usually has glowing blue lines.
The manager to King Crusher who provided him the mutative steroids, Eddie Slick (who bears a strong resemblance to Martin Stein) was exposed to the same drugs as his wrestler and after being buried in the desert for exposing the drug ring behind the steroids. Developing the power to control sand, he sought revenge and crossed paths with Firestorm.
- Dishing Out Dirt: As his name implies, he has the power to control sand.
- Identical Stranger: Has no relationship to Martin Stein, but resembles him strongly.
- Killed Off for Real: He was turned into glass and shattered by Firestorm in only four issues.
- Sentient Sands: He was a metahuman who gained sand powers after being buried in the Nevada desert and mutated by the sand exposure. He could turn his entire body into sand. Firestorm defeated him by solidifying his sand body into glass and then shattering him.
When Chanka Silver Deer, a Cherokee woman, was a child, her twin brother Bobby was bitten by a rattlesnake. Her father tried to seek help for Bobby at a hospital, shoving a nurse aside and causing a bigoted security guard to shoot them both. The guard was not punished. Ordinarily, Chanka's grandfather would pass on his secrets of Native American medicine (sorcery) to the firstborn male, but with her brother dead, Chanka received the sacred teachings.
Years later, the adult Chanka did not forget about the unjust deaths of her father and brother, and sought revenge on all white people. To achieve that end, she forced John Ravenhair to again become the Black Bison, and together fought Firestorm.
- Braids, Beads and Buckskins: Her costumes incorporate multiple Native American motifs: feathers, headband, doeskin jacket, and breechclout, plus long hair.
- Color Animal Codename: Silver Deer.
- Magical Native American: Silver Deer's powers all derive from Native American sorcery.
- Voluntary Shapeshifting: Silver Deer can magically change her appearance to that of another person or take on animal form. When in animal form she possess that animal's abilities.
- Winds of Destiny, Change!: Silver Deer has demonstrated the ability to control the outcome of games of chance.
Slipknot (Christopher Weiss) is a master in the use of ropes, including unbreakable ones, and a trained assassin. He created a chemical adhesive which he then applied to his ropes, making them nearly indestructible. Weiss uses the ropes to strangle, grapple, and hold down his opponents. Slipknot is an expert assassin, able to kill swiftly and silently. He is an exceptional martial artist and hand-to-hand combatant.
- An Arm and a Leg: Slipknot loses an arm to the Explosive Leash bracelet used by the Suicide Squad.
- Badass Normal: Despite having no actual superpowers, Slipknot takes on superheroes armed with nothing but ropes.
- Handicapped Badass: He lost an arm whilst serving on the Suicide Squad, but replaced it with a cybernetic limb.
- Killed Off for Real: He was captured by Deathstroke and killed by the newest Tattooed Man to prove his loyalty to his villainous Titans team.
- Knows the Ropes: Weiss uses his ropes to strangle, grapple, and hold down his opponents.
- Name's the Same: Slipknot has nothing to do with the famous masked metal band from Iowa.
- Whip It Good: His ropes can be used for this.
Tokamak (Henry Hewitt) is one of Firestorm's chief enemies. Known as a "Living Nuclear Reactor," he is able, with the aid of his containment suit, to create energy rings that manipulate atomic structure.
- Alliterative Name: Henry Hewitt.
- Bald of Evil: His post-crisis appearance is missing hair.
- Evil Counterpart: He's basically just a corrupted version of Firestorm.
- Secondary Color Nemesis: To contrast even further the difference with Firestorm, his post-Crisis appearance has a green cape and an outfit with green accents.
Exposed to radiation and ocean water, Martin Stein's colleague David Drake developed the ability to control weather. Initially going berserk whenever he entered the Typhoon identity, Drake later learned to control his powers and developed a hatred for Firestorm due to his numerous defeats at his hands. He also once fought Jaime Reyes.
- Alliterative Name: David Drake
- Boom, Headshot!: Had his head blown off by The Comedian.
- Killed Off for Real: Killed by The Comedian during Doomsday Clock.
- Shock and Awe: Typhoon can fire lightning from his fingertips.
- Weather Manipulation: Typhoon can generate storms of tremendous strength that generate tornadoes and driving hail. While the storms were originally localized to Drake's vicinity, over time he has gained the ability to generate entire storm systems that can stretch over multiple states.
Todd Walton sought to develop a non-addictive painkiller but instead created Venom-X, an addictive hallucinogen that gives abusers snake-like qualities. Walton went on a killing spree, equipped with a wrist-mounted blaster that fired his drug.
The Weasel is John Monroe, a costumed villain and enemy to Firestorm. He was a student of Martin Stein who became a serial killer. The name "Weasel" was inspired by a nickname others had given him. Monroe eventually died on a mission with the Suicide Squad.
- Animal-Themed Superbeing: While originally he simply wore a weasel costume, in New 52 he was an actual human-weasel hybrid.
- Appropriated Appellation: Took the name "Weasel" from the nickname his colleagues gave him.
- Ax-Crazy: He was dangerously unstable as a Firestorm enemy, and got even worse when he joined the Suicide Squad.
- Badass Normal: He pulled off a lot of impressive acrobatics, staying one step ahead of Firestorm, and fighting viciously despite having no actual superpowers.
- Improperly Paranoid: He thought his targets remembered him from Stanford and were plotting to get him fired from his academic job. He attacked them to be "safe" in his position, but in fact his targets had forgotten all about him and weren't trying to ruin his career.
- Jerkass: He was this during his student days at Stanford. His unpleasantness made his peers call him a "weasel."
- Killed Off for Real: Died on a mission with the Suicide Squad. Was eventually resurrected as a Black Lantern.
- Serial Killer: Targets Vandermeer University faculty who are alumni of Stanford.
- Wicked Weasel: He was a serial killer that dressed like a weasel.
- Wolverine Claws: Used razor sharp steel claws affixed to his gloves as his weapons.
- Big Bad: For The Fury of Firestorm: The Nuclear Men.
- Body Horror: Her husband, a Flawed Prototype of the Firestorm protocols, burned half her body by accident.
- Create Your Own Hero: Had she not sent her clean-up crew to find anyone who had Stein's work and kill them, the New 52 version of Firestorm would never have come into existence.
- Outliving One's Offspring: Her children were killed by Firestorm powers gone wrong, burned beyond all recognition.
- Two-Faced: Uses a face-mask to hide the scarred left side of her body.
The Zuggernaut is an alien entity that merges with host beings, much like the Venom symbiote of the Marvel Universe, granting them fantastic powers as long as they are in contact with it.
- Alternate Company Equivalent: Arguably one to Venom.
- Chest Blaster: Can open up the plates covering his chest cavity, exposing two nipple-like apertures which can project beams of concussive force.
- In a Single Bound: Can leap a distance of several miles from a standing position.
- Nigh-Invulnerability: Invulnerable to most conventional forms of attack and bodily injury.
- Super Strength: When merged with a human host, the Zuggernaut possesses a strength level many times greater than that of a normal human being.
- Telepathy: In its encephalopod form, the Zuggernaut possesses limited telepathy, which enables it to communicate with its host.
- Wolverine Claws: Possesses four long, razor-sharp claws on each hand.
- Justice League: Secret Society note
- Batman: The Brave and the Bold note
- Young Justice (2010) - Minions of the Light note
- DC Super Hero Girls
Live-Action TV Series:
- Arrowverse: Firestorm note
- Arrowverse: Caitlin Snow & (Killer) Frost
- Arrowverse: Central City - Citizens note
- Arrowverse: Metahumans note
- Arrowverse: Earth-2 note
- Arrowverse: Vandal Savage & Followers note
- Arrowverse: Team Arrow note
- Arrowverse: Future Characters note
- Arrowverse: Central City - Independent Criminals note
- Arrowverse: Earth-X note
- Arrowverse: Other Earths note