A page for characters who have, at one point in their careers, have been called Supergirl, a supporting character in the Superman mythos, their allies and their enemies.
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AKA: Linda Lee Danvers/Kara Zor-El
Superman's younger cousin, Kara Zor-El survived the destruction of Krypton thanks to her father, Zor-El, putting a protective dome around Argo City that sent it hurtling into space. However, the citizens of Argo were quickly dying from Kryptonite poisoning, so before they died, Zor-El and his wife Alura placed their daughter in a spaceship and sent her to Earth where she could flourish under Superman's guidance.At first acting as Superman's "secret weapon" while she developed her powers in secret under the assumed name of Linda Lee Danvers, Supergirl eventually burst onto the superhero scene as the Maid of Might. She had a long and illustrious career fighting evil—she became best friends with fellow superheroine Batgirl I (Barbara), became a member of the Legion of Super-Heroes (and struck up a romance with Brainiac 5), and even saved her parents from the past and helped them found New Krypton on the distant planet of Rokyn. She gained her own sidekicks in the form of Streaky the Super-Cat and Comet the Super-Horse.In the end, Kara died a hero. When the Anti-Monitor attempted to destroy The Multiverse, she sacrificed her own life so that her cousin might live. In so doing, however, she severely set back the Anti-Monitor's plans, making victory possible for the heroes of the surviving Earths. The greatest tragedy of all, however, was that with the destruction of the Multiverse and changes to the timestream, Kara was erased from history, and no one at all remembered her heroic life and death.
Brought Down to Normal: Mad Scientist Lesla-Lar took away Kara's powers as part of a scheme to replace her. While in her powerless state, Kara finally found adoptive parents. She nearly abandoned her career as Supergirl, until Mr. Mxyzptlk granted her all the abilities of Superman, plus a (temporary) invulnerability to green kryptonite.
Dying Moment of Awesome: Lays an absolute beatdown on the Antimonitor before being taken out by a lucky shot. One of the most badass feats ever achieved by any comic book character, ever.
Girlish Pigtails: Linda wore her hair like this when she lived in Midvale Orphanage.
Guardian Angel: After her death and subsequent erasure from the DCU, Kara seemed to have taken up this role. The first time she appeared to a despondent Deadman during a Christmas special, the second time she appeared towards Linda Danvers. However, both times the person in question was only identified as Kara and not Supergirl.
A purple shape-shifting creature from a Pocket Dimension, she was created by that universe's Lex Luthor and patterned after the New Earth Superman. When that universe was attacked by Phantom Zone escapees that she was no match for, Pocket Universe Lex sent Matrix to recruit New Earth Superman, but was too late to save the universe. Matrix was later taken in by Superman to be raised by Supes' adoptive parents and eventually became the first Post-Crisis Supergirl. She later accidentally fused with Linda Danvers below, and made her the next Supergirl.
Tin Man: Part of what drove her was her perceived lack of humanity. After Matrix merged with Linda Danvers, she was given the opportunity to live as a regular human. Although, most everyone who knew it really was Matrix stated she had more of a soul than Linda did up to that point.
Mama Bear: Was willing to let the universe fall apart if her daughter wasn't spared from being retconned.
Mythology Gag: Pre-Crisis, Linda Danvers was Kara Zor-El's secret identity and the Danvers, Fred and Edna, were her adoptive parents. Post-Crisis, Linda and Kara Zor-El are two separate people, and the Danvers, Fred and Sylvia, are Linda's biological parents.
Superman's older cousin, Kara Zor-El survived the destruction of Krypton thanks to her father, Zor-El, putting a protective force-field around Argo City that sent it hurtling into space. However, the citizens of Argo came under attack from the evil alien Brainiac, so before they were conquered, Zor-El and his wife Alura placed their daughter in a spaceship and sent her to Earth where she would care for her young cousin Kal-El.Arriving on Earth, Kara found that she had been in suspended animation for decades and her cousin was now an adult while she was still a teenager. Adopting her cousin's mantle as Supergirl, she trained under both Batman and Wonder Woman, and eventually moved in with Lana Lang, pretending to be her niece. Throughout her career, she would battle inner demons which sometimes manifested as a violent, blackclad Supergirl (hereafter referred to as Dark!Kara).
Abusive Parents: In her first origin, her father made her kill her classmates, sent her to kill her cousin and stood around with her while she was naked. WHY. See Retcon below.
In contrast to the previous origin, it's her Knight Templar mother who verges on this at points after her father's death. She never goes farther than being verbally abusive to Kara, though. Her father, on the other hand, was a doting Nice Guy.
Calling the Old Man Out: Does this to her mother near the end of "New Krypton" after she finds her torturing Reactron.
The Cape: For all her problems, Kara was headed strongly in this direction by the time of the New 52 reboot. She'd put the past behind her, adopted Superman's attitude towards dealing with problems, built strong friendships with other heroes, and was well on her way to being the same sort of paragon as her cousin.
Clark Kenting: Used glasses and a different haircut to become Linda Lang.
Emo Teen: Had shades of this early on in her career, though not without reason. If your planet was destroyed, you were marooned on an alien world, and the person you thought you were going to be protecting was suddenly much older and more experienced than you, you'd have issues too.
Enemy Without: Luthor exposes Kara to Black Kryptonite, causing a version of Dark!Kara to emerge from her body. It embodies all of her negative emotions and proceeds to go on a rampage.
Fish out of Water: One of the defining traits of this interpretation of the character. Unlike her more famous cousin, who left Krypton when he was too young to remember it, Kara spent her formative years growing up in Kryptonian society before she was sent to Earth as a teenager. Understandably, she has a harder time adjusting to life on Earth than Kal-El ever did, as she still considers herself a Kryptonian at heart.
Groin Attack: What she did to a stalker; fortunately, he was from Apokolips so it ONLY hurt a whole lot.
Hot-Blooded: At least when compared to her cousin. Kara tends to charge into situations without thinking, which nearly got her killed against Luthor.
Interspecies Romance: Any relationship she has with a non-Kryptonian is this by definition. Most notably with Brainiac 5.
It's Personal: With Reactron after he kills her father. It doesn't end well, and he eventually blows up her mother and almost every surviving member of her race. She also takes her enmity with Doomsday this way, knowing that he once killed her cousin.
Like Brother and Sister: She and Dick Grayson (Robin I/Nightwing/Batman III) have this vibe, with him considering her a little sister.
Older than They Look: Kara's actually Superman's older cousin, and is somewhere in her late twenties/early thirties. Cryogenic sleep, however, has kept her a teenager mentally and physically.
Panty Shot: Though her skirt might have been a Magic Skirt considering that is covered anything at all most of the time, when it really physically couldn't. When Jamal Igle took over art duties, he finally gave her some shorts.
Stripperiffic: A major point of complaint in the pre-Igle stories was just how scanty her costume was as drawn by most artists, especially given that it was supposedly Martha Kent's idea of an appropriate costume for her foster-son's teenage cousin. This was thankfully toned down later on.
Superpowered Evil Side: Dark!Kara, who is released under the influence of Darkseid, Black K, or similar events. Each time, however, she gets a little better and easier to control; in her last appearance, she's just a brat, rather than a homicidal maniac.
Survivors Guilt: Struggles with this after New Krypton, resulting in the remergence of Dark!Kara, and a psychosomatic illness that nearly kills her. Dr. Fate helps her overcome it during the events of Reign of Doomsday.
The Tease: She liked taunting Captain Boomerang Jr. about his obvious crush on her. She eased up on it when she realized it was a real Jerk Ass thing to do.
There Are No Therapists: Averted. It's a talk with Kent Nelson (Dr. Fate) a psychiatrist that helps Kara get over her trauma and survivor's guilt during Reign of Doomsday.
Underestimating Badassery: People tend to this to Kara on account of her age and lack of experience. Kara herself does this to Lex Luthor early in her career, and to Reactron in New Krypton, with disastrous results both times.
Unskilled, but Strong: Early on this was a serious problem. Her lack of experience and general inability to use her powers to her fullest nearly got her killed during a confrontation with Lex Luthor.
Superman's older cousin, Kara Zor-El survived the destruction of Krypton thanks to her father, Zor-El, who put her in a spaceship to save his only daughter.
Adaptational Angst Upgrade: You kinda expect her to be more easy-going, especially if you're most familiar with the Kara from Superman: The Animated Series as many casual fans are. So the fact that she can become so infuriated that a Red Lantern ring is draw to her is unusual.
Aliens Speaking English: Averted and later played straight: Kara could only speak Kryptonian at first and was taking English lessons from Siobhan. When she met fellow kryptonian H'el in Issue #14, he gave her the ability to understand and speak English perfectly.
Alternate Self: Supergirl and Power Girl are the exact same person from different universes. Power Girl is very reluctant to meet her mainstream universe self at first partly because she is worried the universe would explode if they actually touched. When they finally meet in Supergirl #19, the universe is fine, the two Karas psychically bond, kick butt together and the only snag is Supergirl's fortress AI mistaking Supergirl for a clone and trying to destroy her.
Flanderization: Past versions of her were merely headstrong and a little Hot-Blooded. Here, her anger is an actual plot point in the Red Daughter of Krypton arc.
Superboy explicitly notes that the Kara he met on Krypton during the time travelling battle against H'el was much nicer than the version that he encountered on Earth. He quickly and logically concludes that the fact that she lost her entire world soured her just a tiny bit.
As of issue 34, she seems to be calmer, wiser and kinder, having got the rage out of her system and been asked by Superman to protect Earth in his stead.
Naked on Revival: In issue 23, her body was dissolved using a machine, leaving only her clothes in a pile. In issue 24, her body was restored by the same machine, but she had to put her clothes on manually.
No Social Skills: Unlike Superman, she arrives on Earth as a teenager instead of being raised amongst humans as a young child. As a result she is unfamiliar to Earth customs and can only speak Kryptonian for the first dozen or so issues.
In Issue #8, Kara meets Siobhan, who can speak any language after hearing a few words of a language. She's able to communicate with Kara and helps her adjust to life on Earth.
It gets really showcased in Issue #11 when she goes on a date with Siobhan's brother. She walks in on him while he was getting dressed and took a pizza without paying for it.
Older than They Look: Kara was a teenager when her father put her in a spaceship. The ship put her body in stasis and landed on Earth years later; which is why her baby cousin Kal-El looks older than her.
Perpetual Frowner: You could count the number of times she's smiled in the New 52 on one hand.
Rage Breaking Point: She's been through hard times during her time on Earth, leading to a lot of built up rage. Her fight with Lobo is the final straw, as his attempt to manipulate her causes her to thrash him. Her rage is enough to attract a Red Lantern ring.
Smarter Than You Look: Her hot temper, teenage naivete and lack of fighting finesse leads a lot of enemies to consider her simply Dumb Muscle. In fact she does have brains - as witnessed by her outwitting Tycho and Sanctuary.
Superpower Lottery: Since she's a Kryptonian like Superman, she has the same powers as him.
Action Bomb: Can release the solar energy within her as an explosion without harming herself. Oddly, only she has been shown to use this ability. Either Superman doesn't have it or at least doesn't know he can.
Trauma Conga Line: she woke up with missing memories, on an alien world, all alone and was promptly attacked by men in Powered Armour. Shortly after that, she encountered a grown man claiming to be her baby cousin. Shortly after that she's lured in and kidnapped by an amoral trillionaire who wants the secrets of Kryptonian technology, poisoned with Kryptonite, and then theguy who rescues her is murdered in cold blood. After she gets away from all of that, she's utterly alone in an alien world, then finds a link to her very dead home. She follows it... and finds that her home is basically a ghost city, whereupon she is beaten up by a Kryptonian supersoldier called a Worldkiller. After escaping all that, she has to fight four Worldkillers, then, exhausted, is promptly attacked by the US Army and Police, with only one human standing up for her (and is, conveniently, an Omniglot). Said human befriends her, then turns out to be the Silver Banshee, who is being hunted down by her father, the Black Banshee. After briefly being absorbed, body and soul, she fights her way out. Then she gets attacked again, while on a date. Oh, and the first man she falls in love with is H'el, who's manipulating her, using her affection for him to trick her into a brief Face-Heel Turn. Then, in defeating H'el, she's poisoned with Kryptonite. Again. And then there's the revelation that her father was experimenting on her. No wonder the poor girl has problems.
Underwater Base: In issue #13, she gains the Sanctuary: a Kryptonian base at the bottom of the ocean. It's basically her version of Superman's Fortress of Solitude.
A.I. Is a Crapshoot: Sanctuary is programmed to eradicate any Kryptonian double in her presence. When Supergirl and her Earth 2 counterpart Power Girl enter Sanctuary in issue #19, it deems Supergirl the double and tries to eliminate her. The two Karas must destroy Sanctuary to save Supergirl. However, the A.I. survives in a robot body; hellbent on destroying Supergirl.
Unskilled, but Strong: She may be as powerful as Superman, but she doesn't have his years of experience or combat skills. Her lack of skill is remarked upon during her fight with Wonder Woman.
Working Through The Cold: The events of H'el on Earth left her with kryptonite poisoning. Despite this she can still fight at full strength. It eventually gets to her; leading to her capture by Cyborg Superman. The kryptonite poisoning is removed when Cyborg Superman dissolves her body and extracts the kryptonite before restoring her.
There were two different Bizarro versions of Supergirl in Pre-Crisis continuity. The first was pretty much just a Gender Flip version of the regular Bizarro in body and mind and died in her first appearance but the second was a little different. The second Bizarrogirl was created when the Bizarros used a Duplication Machine on the real Supergirl who at the time had been left with a monstorous appearance by a vindictive alien prince. The result was a Bizarro girl with the beautiful looks the real Supergirl (normally) posessed but the mind of a Bizarro, effectively making her a Brainless Beauty.The Bizarro counterpart of Post-Crisis Kara, Bizarrogirl, was rocketed to Earth by Bizarro #1 when he believed that the Godship was going to destroy Bizarroworld. Here she hurt or killed several people, before being defeated by Supergirl; Kara retunred Bizarrogirl to Bizarroworld, befriending her in the process.
Anti-Hero: Manages to achieve this status near the end of her arc.
Bad Is Good and Good Is Bad: As is the usual case for Bizarros. Bizarrogirl is a little smarter than most, however, and is eventually able to get her head around the notion that killing people is bad.
Bare Your Midriff: Averted, with her costume being closer to that of the Pre-Crisis Supergirl than the Post-Crisis one.
After H'el on Earth and destroying the Sanctuary, Supergirl has had enough of Earth and goes off-planet to find a new home. Luckily for her, she finds a much more generous planet named I'noxia that hails her as a hero when she saves them from danger. Their technology can even make robotic replicas of people from her memories; making the place a paradise... or so it seems. It is there she meets Cyborg Superman: a mysterious cybernetic being that looks very much like her cousin. He tells her that he's behind all this and can give her everything she desires on the planet. There's just one little fee: he wants her flesh to replace his cybernetic parts.For pre-New 52 Cyborg Superman, see Superman's rogues gallery.
Appendage Assimilation: He wants to take Supergirl's biomatter and use it to rebuild his body. He succeeds, but is so distraught at his true identity that he gives her back her body so she can escape Brainiac.
Appropriated Appellation: When he explains that he isn't Superman, Kara calls him a Cyborg Superman and he keeps the name.
Foreshadowing: Kara notes that he seems familiar when she looks him in the eyes.
Identity Amnesia: He doesn't remember anything about himself. Not even his name. This is because Brainiac erased his memories while rebuilding him to make him a loyal servant. He remembers everything after he becomes whole again, but is so distraught at his true identity that he has a change of heart and restores Supergirl's body; reverting him back into Cyborg Superman and removing his memories once more.
Sweet Rao, what have I done?: After he dissolves Supergirl and rebuilds his body with her biomatter, he regains his memories and realizes he's Kara's father, Zor-El; shaking him to the core. To save Supergirl from Brainiac and keep her from knowing the truth, he restores her body and reverts back into Cyborg Superman so she can escape while he holds him off.
Naked on Revival: After his body is restored, the cybernetic parts fall off, leaving him naked. He remains naked for the duration before becoming a cyborg again.
Red Right Hand: Cyborg Superman's right arm is lanky and skeletal; making him appear more inhuman than he already is.
We Can Rebuild Him: He was on the verge of death when Brainiac found him and rebuilt him with cybernetics. He wasn't missing any body parts, but Brainiac wanted to make him the ultimate Kryptonian. Brainiac also altered Zor-El's DNA to make him look more like his "superior" brother, Jor-El. Cyborg Superman grows to hate his appearance and yearns to be fully biological again.
The Dollmaker (Post-Crisis)
The son of Post-Crisis Winslow Schott (alias long-time Superman foe, The Toyman), Anton Schott is a psychotic preteen who feels that his father loved other children more than he loved him, and despises all children because of it. He kidnaps children and sends dolls resembling them to Cat Grant, whom he ultimately tries to force to become his new mother.
Mommy Issues: Wants to force Cat Grant to be his new mother, actually.
Non-Action Guy: Anton himself is an out of shape child who can't fight to save his life.
Parental Abandonment: His mother took him away from his father because she believed he was a paedophile. Than she bailed on Anton as well, leaving him with serious abandonment issues.
The Resenter: Towards any child with two functional parental figures.
Robotmaster: Sends giant, doll shaped robots out to do his dirty work.
A villainous Pre-Crisis Kandorian scientist and Kara Zor-El-lookalike who specialised in identity theft in both mundane and physic versions. While she hasn't been seen since before the Crisis she is historically significant as Supergirl's first true protypical archenemy.
Inexplicably Identical Individuals: To both Kara and Lena Thorul (Lex's sister). On different occasions she managed to kidnap and impersonate both with anyone being any the wiser.
Lobo (New 52)
A Czarnian Bounty Hunter, Lobo came to Earth because he got word of an imposter using his name. He decides to go to the Block to interrogate Dr. Veritas on the imposter's whereabouts. Unfortunately for him, Supergirl is there and will not let him harm her friend.For the other Lobo, see this page.
A Day in the Limelight: He had his own Villains Month issue in September 2013, which set up his appearance in Supergirl.
Batman Gambit: He tries to use Supergirl's rage against her by taunting her into not holding back. As such, Dr. Veritas teleports them out of the Block to prevent their fight from damaging it. Once outside, Lobo calls his ship and flies to Supergirl's old apartment in New York, hoping to calm her down. He then tries to be friendly to her offering to mentor her so she can learn to control her rage. Big mistake. Supergirl has had it with people trying to manipulate her and gives him a No-Holds-Barred Beatdown.
Covers Always Lie: The cover for Lobo's Villains Month issue shows him looking like he did Pre-New 52. In the book, he looks like the above image. Lampshaded in the narration saying that you don't know this Lobo.
Establishing Character Moment: In his Villains Month issue, when he finds out the cargo is smuggling is a tribe innocent aliens, he acts nice to them. However, once they reveal they were abducted for their valuable bones, he forces back into the cage so he can get the large sum of money they're worth, not caring about their cries for mercy.
Faking the Dead: Thanks to his Healing Factor, he was able to recover getting punched by an angry Supergirl, but played dead so he could get in the Block.
Foil: To Supergirl in regards to their how they handle their anger. Supergirl has problems controlling her rage, while Lobo is able to control his anger and channel it at his targets.
Identical Stranger: It appeared that Lobo's first New 52 debut was in Stormwatch, where he looked just like he was pre-New 52. Then came Lobo's Villains Month issue and it reveals that there's another Lobo (the one on this page) who claims the Lobo in Stormwatch is an imposter that he is bent on finding and killing.
Power Boy (Post-Crisis)
A superpowered boy who was Kara Zor-El's first boyfriend Post-Crisis, he eventually revealed himself as a clingy, abusive stalker from Apokolips.
AKA: Benjamin Krullen (Pre-Crisis), Benjamin Martin Krull (Post-Crisis)
Once a sociopathic ex-soldier gifted with the ability to produce radiation, Post-Crisis Reactron was rebuilt as a cyborg with a Gold Kryptonite heart by Lex Luthor and went onto play a major role during the New Krypton story arc, ultimately destroying New Krypton. Having faced Supergirl on numerous occasions pre-and-post-Crisis, and being the man responsible for the death of her father, Zor-El in the post-Crisis continuity, Reactron is one of the rare villains who can legitimately claim to be a member of Supergirl's Rogues Gallery.
Archenemy: Could make a legitimate claim on being Kara's archenemy, Post-Crisis and Pre-New 52. He had multiple clashes with Kara, solo and during the events of New Krypton, had a deeply personal rivalry with her, possessed powers and weaponry that let him fight her on an even basis, and ultimately killed her father, mother, and entire race. No other villain has ever come close to inflicting that sort of emotional damage on Kara; the fact that he was specifically created to be a Supergirl adversary Pre-Crisis doesn't hurt his claim on this status either.
Axe Crazy: A violent psychopath who gets off on hurting and killing others.
Blatant Lies: His claim, Post-Crisis, that his costume was made of a captured region of space and granted him his powers. He admitted as much himself.
Cyborg: After being rebuilt by Lex Luthor on General Lane's orders. How much of him is man and how much is machine is open to interpretation.
Dirty Coward: Subverted. He begs for his life when Supergirl and Alura capture him, and again when Gor is torturing him, but it is all revealed to be a ploy by he and Lane to hide the fact that they want him to be captured.
Dissonant Serenity: Smiles peacefully as he announces to Kara and Alura that he is a living nuclear bomb.
Immune to Bullets: Bullets bounce off of Reactron. So too, do most other attacks, including Kryptonian punches. It may not be the Nigh-Invulnerability of Superman himself, but there's no way around the fact that Benjamin Krull is a durable bastard.
I Surrender, Suckers: How he got into New Krypton to kill Zor-El. He does it again in order to blow up the planet.
It's Personal: After numerous clashes, and particularly after the events on New Krypton, it was very personal for he and Kara.
Jerkass: When not being a monster, he tends to just act like a dick.
Killed Off for Real: In the Post-Crisis, Pre-Flashpoint world he never recovered from his death in New Krypton.
Lack of Empathy: Reactron cares only about himself and how famous his killing is going to make him.
Majorly Awesome: Fomrerly Major Benjamin Martin Krull, US Army, and still referred to as such by Lane and Luthor.
Man of Kryptonite: His Gold K heart deactivates a Kryptonian's powers for fifteen seconds, more than long enough for Reactron to finish the job with his radiation powers or his bare hands.
Not-So-Harmless Villain: In his first Post-Crisis attack on her, Supergirl notes that for a guy with near limitless power, Reactron isn't thinking very big, or using his powers very intelligently. Cue the events of New Krypton.
Nuclear Nasty: Emits nuclear radiation, and with help from Luthor, can transform into a bomb.
Sociopathic Soldier: Enjoys murder, torture, and the occasional threat of rape. Pre-Crisis, he was one of these even before becoming Reactron, having massacred an entire village as a sergeant in Vietnam.
Suicide Attack: On New Krypton. Reactron let himself be captured and tortured, with the intention of letting Luthor convert him into a nuke so that he could blow the entire planet apart.
Super Speed: It's rarely mentioned, but much like Metallo, Reactron is able to keep up with Kryptonians, meaning that he has to possess at least a degree of super speed.
Super Strength: Between being supercharged by radiation and rebuilt with cybernetics, Reactron is strong enough to injure the likes of Supergirl, Flamebird, and Nightwing with his blows.
Those Two Bad Guys: He and Metallo enter New Krypton this way. They don't end it that way, with Reactron going on to be far more significant to the story.
Ungrateful Bastard: Kara saves him from being tortured by Alura. He pays her back by detonating himself, killing her mother and her entire race in an attempt at getting to her. "Glad I got the whole family set."
You Killed My Father: During the events of New Krypton Reactron kills Supergirl's father, Zor-El, in front of her. He later gets her mother, and the rest of her race.
Reign (New 52)
The leader of the Worldkillers, a Quirky Miniboss Squad of Kryptonian-created Super Soldiers, and one of the first major enemies Supergirl faced in the New 52. It is heavily hinted that Kara's father Zor-el is her creator, as he is established as having worked on the Worldkillers and in Issue Zero what is either Reign or a being very much like her can be seen in stasis in a pod in his lab.
Distaff Counterpart: She's basically a female, rather more articulate Doomsday with a bit of Zod mixed in.
Evil Counterpart: Clearly positions herself as one in much of her dialogue to Kara. Especially since, if the hints as to her backstory are true, she's something of a daughter of Zor-el herself.
Flying Brick: Her powers are explicitly identified as flight, strength, and invulnerability.
Galactic Conqueror: What she was created to be. It's unclear if she and her companions have ''actually' conquered anything yet, but they make a good try for Earth.
Humanoid Aliens: She's roughly human/Kryptonian in appearance, except for her unnaturally pale skin, solid black eyes, and Pointed Ears. Her face is also shaped subtly different from a human's, with a slightly reptillian cast remniscent of Lord Voldemort.
Just Between You and Me: She explains her backstory to Kara while they're fighting in New York City. Slightly deconstructed in that Kara is too busy defending herself to pay much attention.
Pet the Dog: Evil and brutal she may be, but she values the lives of her fellow Worldkillers, and retreats rather than allow Kara to kill even one of them.
Super Soldier: She and her fellow Worldkillers were intended as the ultimate weapon by the Kryptonian scientists who created them.
Villain Exit Stage Left: Retreats from Earth at the end of the arc that introduced her, but with the promise that she'll be back- and that there's one more Worldkiller out there that Supergirl doesn't know about...
We Can Rule Together: Makes Supergirl this offer at their first meeting. When Kara refuses, Reign decides she wasn't worthy anyway.
Simon Tycho (New 52)
*spoilers* Click here to see Simon's second form.
A twenty-eight year old trillionaire who lives on a space station and rarely ever sets foot on Earth. When Supergirl landed on earth in the New 52 he captured her and held her on board his space station hoping to contract some of her Kryptonian blood. An explosion during Supergirl's escape left most of his body destroyed yet his assistant Miss Thorn was able to graft him onto the body of "The Brain", an organism of basic nerves and a brain, to keep him alive.
And I Must Scream: Supergirl defeats him in their second encounter by having Sanctuary encase him in crystal. He is possibly dead after Supergirl and Power Girl destroy Sanctuary after it turned evil.
Body Horror/Emergency Transformation: He had to be merged with an alien blob after Supergirl's escape left him in pieces. What's left of his human body is his upper torso, most of his head, and his right eye.
Rubber Man: His transformation gave him stretching powers, shapeshifting, and invulnerability.
Loincloth: What he wears now. It shows off his new body quite well.
What Happened to the Mouse?: He's left frozen in crystal somewhere in the Sanctuary. When Santuary is destroyed, there is no mention of him, leaving readers to assume that he died along with Santuary. Lampshaded in issue #23, where Supergirl fights robot clones of people from her memories and the Tycho robot says that they had to go deep into her subconscious to find memories of him; implying that he must pretty forgettable and bringing up him being left for dead.
A mysterious woman wearing an S-shield whom Post-Crisis Supergirl encounters in New Krypton. She at first seems to be one of the heroes, but is eventually revealed as a villain when she not only attacks Supergirl, but saves Reactron from her, killing the supervillain's ex-girlfriend in order to cover up his survival. She is actually Lucy Lane, implanted in New Krypton as General Lane's spy.
Pre-Crisis Fred and Ethel Danvers were the adoptive parents of Linda Lee/Kara Zor-El and Secret Keepers for her role as Supergirl. Post-Crisis Fred and Sylvia Danvers were the biological parents of Linda Danvers (Supergirl II) who had a much more traumatic time dealing with their daughter's super identity largely due to her merger with Matrix.
As the Good Book Says: The Post-Crisis version of Sylvia was a Church assistant, studying for the ministry.
Fair Cop: The Post-Crisis version of Fred was a police officer.
Lex Luthor's younger sister, Lena Thorul's parents did their best to hide the reality of her brother's activities from her, claiming that her brother Lex had been killed in an accident. Gifted with ESP after an incident in Lex's laboratory, Lena joined the police, and became one of Supergirl's friends.
Locked Out of the Loop: At Lex's insistence. When Lena did find out who he was during an interview with him (and temporarily lost her mind, running off to Africa and becoming "Jungle Queen") Luthor staged an escape from prison so that he could expose her to flowers that erased unpleasant memories. She eventually found out for good in a storyline in 1981, and the two reconciled.
Morality Pet: To Lex, who went out of his way conceal their relationship from her, fearing that association with him would only hurt her. They eventually did reconcile.
Siobhan is a good natured Irish punk girl living in New York and the first human being the New 52 Kara meets who doesn't try to capture and/or kill her. While the two quickly become friends (aided by Siobhan's ability to speak Kryptonian) Siobhan's past catches up with her; her father is the evil magical being Black Banshee and she herself is having difficulty keeping her own powers in check as the even more frightening Silver Banshee.For pre-New 52 Silver Banshee, see Superman's rogues gallery.
Evil Me Scares Me: Siobhan fears that the Silver Banshee will take over her body when it manifests.
Heroic Willpower: When fighting Red Lantern Supergirl, she's able to mostly stay in control as the Silver Banshee.
Omniglot: An actual super power; due to her quasi-magical nature Siobhan is able to speak any language she hears, even a non-human one like Kryptonian (if the dialogue is any indication she always retains her Irish accent though.)
Kara's parents in the Post-Crisis universe, Zor-El and Alura where members of the Science Guild stationed in an offworld colony. Captured by Brainiac, they were added to his bottled city of Kandor, and eventually freed by Superman. While Zor-El is a certified Nice Guy, Alura is a Knight Templar kept in check only by her husband.
Horrible Judge of Character: Alura believes that all humans are scum, that Superman can't be trusted, and that General Zod is a great hero. She couldn't be more wrong about any of the above.
Kick the Son of a Bitch: Alura's torture of Reactron is wrong and is portrayed that way, but given that we're talking about the single worst member of Supergirl's rogues gallery here, you aren't liable to have much sympathy for him.
Killed Off for Real: Zor-El dies in battle with Reactron. Alura is killed when Reactron blows himself up, wiping out all of New Krypton.
Knight Templar: Alura. Zor-El knows it too, and tries to act as a check on her.