Kara Zor-El is the daughter of Superman's uncle Zor-El and his wife Alura. Kara is actually older than Kal-El (Superman); she was a teenager when he was a baby. When Krypton exploded, she was sent in a rocket (in suspended animation) to find and look after Superman. However, her rocket was caught in a large chunk of the planet and she arrived on Earth years after her cousin did.
After some initial confusion, Kara was found by Superman and trained by Wonder Woman. She was captured by Darkseid, and after being brainwashed, attacked her own cousin. Superman defeated her and returned her to Earth, where he faked her death so Darkseid would not come looking for her.She then assumed the role of Supergirl. But she felt out of place, not sure where she really belonged. Kara was uncomfortable with her cousin's over protectiveness, and she could not hang out with her Earth-Two counterpart Power Girl since their powers went haywire whenever they touched. She found kindred spirits in her other "cousin" Superboy and fellow alien Starfire.
Kara's self-discovery was interrupted when Lex Luthor used Black Kryptonite to split her into a good Kara and an evil Kara. The evil Kara stated that she was sent to Earth by Zor-El for the sole purpose of killing the infant Kal-El. Zor-El had devised a special crystal that would influence her personality as she traveled to Earth, making her "innocent", thus creating the good side of Kara's personality. However, the good side became dominant. 
At the climax of the struggle between the two Karas and the Justice League, the good Kara urged Wonder Woman to use her golden lasso of truth to bind the two together and ask: "Who is Kara Zor-El?" The two Karas fused back into a single good Kara, who decided her past was not important and acknowledged Batman, Wonder Woman, and Superman as her foster parents. 
Kara re-appeared in the 31st century. She was revered as a member of the Superman family. Upon her arrival she concluded that she was "dreaming" the Legion and that the 31st century wasn't real. Saturn Girl, attempting to learn more about how Kara arrived in their era, scanned Kara's mind and found a particularly vivid memory -- that of the Zeta-Beam accident. 
The Legion hypothesized that Kara was rationalizing her fantastic existence by believing her life was a dream. In a relatively short period of time (due to suspended animation):
To complicate matters, every time Supergirl wanted something to happen in her supposed dream world, it happened. For example, when told she couldn't become a full member because the Legion was out of flight rings, one was immediately sent to her from Brainiac 5.
She had a few adventures with the Legion before Brainiac 5 came close to a means of returning her to the 21st century. He invented the Chronexus (a time window) that she and some of the other Legionnaires viewed various parts of Superman's history (including references to another Legion). Brainiac 5 secretly worked with Sev Tcheru to perfect the Chronexus technology by making it a real, but limited time machine. It only worked one way, and only once. When this was revealed, Saturn Girl convinced Kara that she should go back to her native era. Sev Tcheru wiped out Kara's memory of the Legion right before she went, as knowledge of future history was considered dangerous.
One Year (and one month) after Infinite Crisis, during World War III, Kara returned, only to find Superboy dead and Superman powerless. Feeling alone, she eventually started a relationship "no hero would condone". She also became Metropolis' protector along with Booster Gold and Supernova.
Soon after, she assumed the identity of Flamebird to fight crime in Kandor with Power Girl as Nightwing. They opposd a religious cult based around warped versions of Superman's earlier appearances in Kandor. Kara also believed the key to Argo City, her home town, lied somewhere in the city. Supergirl and Power Girl found themselves battling the Saturn Queen and Ultraman (posing as Superman), villains who had established themselves in Kandor. At the climax of the struggle, Supergirl unexpectedly left (with her comrade in tow). Since she did not consult with Power Girl about the timing of their exit, the two parted on somewhat strained terms. Note: This version of Kandor was actually just a psychic manifestation created by Saturn Queen. The real Kandor was not discovered until quite some time after this event. 
Kara re-established herself on Earth, attaining financial independence after selling an item of Kryptonian technology that would completely "heal" anybody who used it to Batman for his own personal use at the price of one million dollars. With this money Kara, purchased her own apartment.
Kara attempted to develop familial ties with the Kent Family, who were still mourning the loss of Superboy. During a visit, Kara took one of Superboy's's trademark black t-shirts and gave it to his mourning girlfriend, Cassie Sandsmark, aka Wonder Girl. From there, Kara and Cassie forged a close friendship.
In an attempt to create a secret identity, Kara started going to high school under the name Claire Connors, a teenage girl from Kansas. Kara used a wig, glasses, and plain clothes to become "Claire." Her attempts to assimilate failed because she was unable to connect with the other students, and she dropped out after a week or so, due to cruel classmates. 
As a favor to Captain Boomerang, Supergirl was granted an "audition" with the Outsiders. Having encountered the group once before, she had a crush on team leader Nightwing. She even stole a kiss, her "first true one", from Nightwing during their first encounter.  The members of the Outsiders were all very suspicious of her. They believed she was using lethal force against criminals, but she was acting at super speed to disable them. She also broke the leg of a passenger on a cruise ship, who was really Metamorpho in disguise. She used x-ray vision to detect that the passenger was Metamorpho, and she was upset that the Outsiders decided to test her rather than tell her all the details and trust her. As a result, she decided to not join the team. 
Around this time, Kara met a new teenage super-hero, Power Boy. The two first met while rescuing hurricane victims in Mexico, and again later in Hollywood where they teamed up to fight two villains known as Gakidou and Sakki. Afterward, she began dating Power Boy (without telling Captain Boomerang). 
A series of haunting half memories of her past showed Zor-El subjecting an unwilling Kara to grievous experiments to enhance her powers; in fact, when badly injured by Batgirl (Cassandra Cain) in an artificial red-sun environment, Kryptonian Sunstones sprouted from her body, healing her and impaling her foe. 
Kara accompanied Hal Jordan on a mission to the casino world of Ventura. She assisted the Green Lantern partly out of a desire to see more of the universe and partly in order to avoid a lecture about responsibility from her cousin. Her personality was slightly different from normal, as she appears to be quite flirtatious and playful with Hal, but when he politely rebuffed her advances, she entered a gladiatorial contest dressed in a pink dress and pigtails. The ploy turned out to not only be a response to Hal's comments but also a clever ruse designed to flush out their prey. 
Returning to Earth after her mission with Hal, Supergirl renewed her relationship with Power Boy. Power Boy revealed that he loved Supergirl so much that he was obsessed with her. After Kara was about to visit Owen Mercer in the hospital, Power Boy immediately stopped her and decided to go through this with violence, forcing him to turn on Supergirl. Power Boy was revealed to have been born in Apokolips.
Later when Kara found herself in deep space and near death, she saw a vision of her Father, Zor-El. He then explained to her that she was remembering things wrong, so he needed to retell her why he did what he did before she left Krypton. He started by explaining that the Phantom Zone was inhabited by some sort of ghostly life. These beings were angry about being removed from their home by the projector and took out their anger by possessing various people who lived on Krypton. Zor-El then discovered that the only way to destroy the phantoms was with Kryptonian Sunstone. He implanted sunstone into her to make her immune to possession by the Phantoms. Shortly afterward, the students at the school Kara went to on Krypton were possessed by these Phantoms and they were forced to kill them all with sunstone. For this, the Kryptonian Science Council had decided that Zor-El, Kara, and Alura should be sentenced to exile in the Phantom Zone. However the final quakes before Krypton's destruction interrupted this before the sentence could be carried out. Then in the present day Kara found herself back on Earth and saw the Phantoms there. Kara was then assaulted by hundreds of Phantom-possessed humans, including Wonder Girl who forced Kara to admit all the dark secrets that she has been denying since arriving on Earth. Disgusted with Kara, Wonder Girl released her. Kara then flew to the Batcave in the hopes that Batman might be able to help her. Unfortunately, the Phantoms had possessed him, and he had sealed himself inside the cave. Before Kara could try to break her way inside, Robin who was also possessed, blocked her path. He provoked Kara into hitting him, and she accidentally stabbed Robin with a sunstone. This surprisingly did not kill nor even mortally injure him, but instead freed him of the Phantom Ghost. Robin, who had apparently been keeping tabs on Superman since the sun went red (using a Batsuit loaned to Superman since his powers were gone), then gave Supergirl directions to locate Superman in Metropolis. When she reached Metropolis, she discovered that the phantoms were coming out of Superman's body. 
Once reunited with her cousin, Kara admitted everything. Clark, who has been going mad from the Phantoms that were leaking out of him, begged her to kill him and free their adoptive homeworld. Before any actions could be taken, a Pre-Crisis version of Supergirl appeared and attacked Kara, cheerfully taunting her with accusations of imperfection and inadequacy during their battle over Metropolis.
She soon discovered that all of these events were really the machinations of Dark Angel, including the Phantom-infested Earth, Cassandra Cain's attack, and Kara's direct encounter with her father. All of these were part of Dark Angel's twisted "test" to determine her validity in the Multiverse. Acting under the auspices of one of the Monitors to identify post-Crisis "anomalies" who threaten the Multiverse, Dark Angel had become personally invested and then obsessed with proving Kara's status as an anomaly through increasingly brutal means. The Monitor appeared and chastised Dark Angel harshly. He asserted that Kara was, indeed, this universe's Supergirl, and apologized for Dark Angel's excess. After stating that Kara's tragic memories of her journey to Earth were real, the Monitor departed with his employee, leaving Kara in deep space with her Kryptonian abilities apparently restored and no outward sign of her sunstone implants.
Kara then met the reborn Pariah, who warned her of a "Great Disaster" that was coming during which she was destined to play a role. Kara then returned to Earth where she sets about correcting some of her past wrongs, apologising to Boomer for leading him on, repairing her friendships with Cassie and Sarah (a girl she met during her brief time in High School) and dealing with her cat Streaky. Though she attempted to apologise to Power Girl for her actions in Kandor, Power Girl said she couldn't trust her and challenged Kara to fix things with Clark. After spending fifteen minutes outside Lois and Clark's apartment deciding what to do, Lois invited Kara inside where she and Clark embraced. Her actions over the past year forgiven, Kara raced her cousin to the Fortress of Solitude. 
Later, when Wonder Girl confided in Kara some of her personal problems, they discovered that the Amazons of Themyscira have invaded Washington, D.C. as part of the events of Amazons Attack. Because of the McCarran Internal Security Act, implemented by the U.S. President, Wonder Girl's mother and a friend of Supergirl's, named Alison, were held at an internment camp. As they tried to storm the camp and free the women, they were stopped by the Teen Titans, and told by Robin that negotiation would be a better solution. Consequently, they flew to Washington D.C. and spoke with Queen Hippolyta, who told them that negotiations were impossible, since the President was safe on Air Force One. Agreeing to bring the US leader to the Amazon Queen, the two girls blocked the path of Air Force One and threatened to bring the plane down if the President did not come with them. 
Kara received membership with the Teen Titans shortly thereafter, though her tenure with the Titans was extremely brief. Although no longer a member, Kara participated in several adventures with the young heroes.
Supergirl then assisted Superman and the Green Lantern Corps in tracking down an invading alien armada back to their home galaxy. Kara made use of tesseract technology to follow them, but ultimately a solar flare distracted her senses and she was unable to determine the aliens’ point of origin. She returned to her home to report her failure, but Superman was still proud of her efforts. 
Soon after, Supergirl encountered a villain who would prove to be her greatest nemesis – Reactron. Reactron claimed to have the power of a star inside his containment suit, and he unleashed a massive attack of atomic energy that threatened to destroy Metropolis. Supergirl fought against him and lost in the initial throwdown. Supergirl came back for round two and determined that Reactron's power source originated from a circular disk inside his chest cavity. Supergirl tore the device from his containment suit and Reactron was defeated. 
In the aftermath of Reactron's attack against Metropolis, Supergirl learned about a boy named Thomas Price. Thomas was eleven-years-old and dying of cancer. Supergirl made a promise to him that she would save his life – a promise that provoked strong opinions from not only his parents, but from Superman as well. Superman warned her against pursuing this course of action, for even though they are powerful heroes, nobody can stave off death. Supergirl was undeterred however, and continued in her quest to find a cure.
She sought out Mitchell Shelley, the Resurrection Man, whose nanite-infected blood enabled him to literally resurrect himself from the point of death. Supergirl wanted to use Shelley's blood to cure Thomas, but by the time she returned to Metropolis with him, she was too late. Thomas Price was dead. Supergirl refused to accept this. She even tried using the tesseract technology she acquired from the previous mission to alter the timeline so she could save Thomas' life, but even this was not enough. In vain, she still tried using Shelley's blood to revive Thomas, but this too failed. Supergirl then teamed up with former Young Justice member Empress to take down Clayface and later a man named Eddie Rose. Rose was a survivor of Superman's fatal battle agains Doomsday, but the experience left him an embittered parapalegic. He wanted to turn public opinion against super-heroes, so he kidnapped Empress' family, forcing her to bait Supergirl into a trap. Supergirl was able to resist Empress' reluctant efforts to brainwash her, and together they were able to stop Rose and rescue Empress' parents. 
After a series of unfortunate mishaps, and lapses in judgment, Kara decided that she should scale back her actions as a full-time super-hero. At the suggestion of Lana Lang, Kara adopted a civilian identity as Lana's niece and began calling herself Linda Lang. 
Vril Dox, the original sentient computer known as Brainiac came to Earth with the intent of assimilating the planet's culture and technology into his gigantic skull-ship. Superman fought and defeated Brainiac, and in so doing, discovered the miniaturized Kryptonian city of Kandor. It had always been believed that Kandor was destroyed along with the rest of Krypton, but in truth, Brainiac had visited Krypton prior to its destruction, miniaturized the city, and secured it within a special containment tube inside his ship. With Brainiac's defeat, Superman liberated more than 200,000 Kandorians. These Kryptonians were restored to their normal size and their home city was transplanted to the Arctic Circle, where it was christened New Krypton. Among the survivors were Supergirl's parents, Zor-El and Alura. Supergirl was overjoyed to discover that her parents were still alive. Her father explained that their original home, Argo City, had likewise survived the destruction of Krypton, but was later assimilated by Brainiac and merged with Kandor. Zor-El also revealed that many of Supergirl's prior perceptions of him were actually false memories as a result of prolonged Kryptonite poisoning. During the time that Supergirl was journeying to Earth, her ship was encased inside of a large Kryptonite meteor. The ambient radiation, while not fatal, was enough to unbalance her brain chemistry. Zor-El treated Supergirl and purged her system of the lingering Kryptonite particles. 
The rest of the planet grew wary of the possible consequences of 200,000 super-powered Kryptonians now residing on Earth. In order to stave off a possible alien invasion, a secret government response group was put together known as Project 7734. The project was headed up by General Sam Lane (whom was previously believed to have been killed during the Imperiex War) and included several notorious agents such as Lex Luthor, Metallo, Reactron and a new Superwoman.
It was during this time that Supergirl suffered the greatest tragedy of her life. Under General Lane's orders, Reactron and Metallo invaded New Krypton. Armed with Yellow Kryptonite (which robbed a Kryptonian of their powers), they systematically began slaughtering as many Kryptonians as they could find. Reactron murdered Supergirl's father, Zor-El. 
As a result of the skirmish, Kara's mother Alura used Sunstone technology to literally uproot New Krypton from the planet Earth. The floating city was piloted into outer space and placed in geosynchronous orbit, directly opposite of Earth. 
The United States government also took action as a response to Kryptonian violence. They passed a law, stating that all Kryptonians with the exception of Superman were no longer allowed to set foot on the planet Earth. This included Supergirl. 
Supergirl went to live with her mother on the New Krypton planetoid. Alura still wanted revenge against Reactron for the murder of Zor-El and ordered Kara to return to Earth to bring Reactron to justice. Supergirl tried to keep her continued presence on Earth a secret, but she quickly earned the attention of Project 7734. She fought against Reactron for the second time, defeating him in a manner similar to how she stopped him when they first fought. She also fought against Superwoman whom she discovered was actually General Lane's daughter, Lucy. The fight resulted in Supergirl rupturing Sueperwoman's battle suit, seemingly killing her. 
Shortly thereafter, Supergirl celebrated her eighteenth birthday. As per Kryptonian custom, it was time for her to select a guild house for herself. After observing the way the other guilds worked, she elected to join the same guild as her mother - the Kryptonian Science Guild. 
Escaping from Squad K, the three go to Lana Lang's apartment. They decide to get Lois's help in clearing their names. Chris and Lana go to find Lois while Kara and Thara stay in Lana's apartment.While waiting Thara attempts to tell Kara what is wrong with Lana but states it in a way that makes Kara angry. Meanwhile Reactron promises General Lane he will kill Supergirl.
Kara,Chris, and Thara a.k.a. "The Metropolis Three" fight Reactron. Kara about to hit Reactron with her heat vision is instead hit by Reactron's gold kryptonite stripping her of her powers temporarily. Thara jumps in front of Reactron before he can hit Kara again and is knocked out of the fight. Lois shows up to report the fight, noticing that the three are depowered and unconscious, engages Reactron in battle and wounds him by jabbing her pen in his neck. With Reactron about to kill Chris and Kara, Thara transforms in the Flamebird and easily defeats Reactron. Reactron reveals that General Lane was behind the sewer bombing to deepen the mistrust in kryptonians. Kara decides to take Reactron back to Alura on New Krypton for punishment. Kara and Thara forgive each other.Kara delivers Reactron to Alura. Alura has flashbacks of her time with Zor before Reactron killed him. She remembers how the Science Guild told her love is is simply a chemical response to external stimuli and therefore should be ignored. But she does love Zor. Back in the present Reactron is standing trial. But before the verdict is announced many kryptonian's burst into the court room wanting revenge. Supergirl and Alura jump in to save Reactron but in the skirmish he is apparently killed. Supergirl decides to return to Earth. 
Inspector Henderson is investigating a crime and finds the dead body of a woman, her body covered in runes. Kara confronts Lana about her mysterious illness and Lana says she doesn't want to be like the time Kara tried to save the cancer stricken boy. Kara figures out that the illness is nothing the doctor's in Metropolis can figure out. The Inspector calls Kara and the two fight Silver Banshee. Kara grabs a box and is transformed into SuperBanshee. Meanwhile Lana has collapsed and is bleeding.The spirits that have possessed Supergirl are upset with the Silver Banshee. They silence the Silver Banshee with magical chains and berate her for not having found the artifacts before. The Inspector cuts a coin from his hand to stop the Banshee spirits and Supergirl breaks free from their control. Silver Banshee then eliminates the disembodied clan spirits by screaming their name. Kara rushes to the hospital and bursts through the door as Linda Lang just as Lana is pronounced dead. She simply is so overwhelmed by the moment that she tunes out the physician trying to explain things to her. She says it plainly she doesn't hear anything. Her mind is reeling, too busy trying to grasp the immensity of this moment to listen. It hits Linda that she is now truly alone on Earth and sheds a few tears. Linda goes to see the body and see's a Lana encased in a chrysalis. Lana's condition is somehow the result of her time as the Insect Queen.
In World's Finest Supergirl and the new Batgirl(Stephanie Brown) team up for the first time. Batgirl and Catwoman have been captured and Oracle sends Supergirl to save them. Batgirl and Supergirl become fast friends and go to stop the Toyboy, leaving Catwoman tied up for the police. Supergirl takes down Toyboy while Stephanie stops Mr.Freeze. They are captured by a giant Superman/Batman robot being powered by the Kryptonite Man. Stephanie manages to send out a distress call to Oracle before disconnecting. Oracle calls Superman and the new Batman(Dick Grayson).Blackest Night event, Kara and Alura visit Zor-El's tomb, only for a black power ring to seek out the body and turn it into a Black Lantern. Kara and her Black Lantern father fight and with Alura's help knock him out of the city. Alura has a shield placed over the city so no one can leave or enter the city.
Kryptonian Physiology: Supergirl is often said to be more powerful then Superman but this is because he holds finely-tuned control over his powers so as not to hurt people.Though he has stated that with proper training Supergirl can and will be just as powerful as him, she is already even with the likes of Wonder Woman when it comes to power.Supergirl's cellular structure is more dense, resilient and biologically more effective than human tissue. She does possess several organs whose functions are not yet disclosed or understood but are believed to be part of and perhaps even the source of his biomatrix force field and reclamation aura. Supergirl has manifested a wide range of metahuman abilities and is considered to be one of the most powerful metahumans alive. Supergirl's body also stores energy actively within her bio-cellular matrix as an energy pattern that is linked to her body's electromagnetic field. This energy powers most of Supergirl's electromagnetic capabilities such as flight and heat vision. It also supplements her physical strength.
Master Combatant: She has been trained by Batman in advanced martial arts and trained with the Amazons ,on Themyscira, in combat and sword fighting. She has trained with Wonder Woman and Artemis extensively and knows Kryptonian Martial Arts, one of the few people on Earth who do. It has even been stated she can beat Superman in Kryptonian Martial Arts.
Multi-lingual: Supergirl speaks a multitude of languages fluently. She learned all of Earth's languages in less then a month. She also speaks interlac. She is also fluent in Kryptonese, of course.Plus, through precise muscle control, she can mimic other peoples voices.Genius-Level Intellect: Supergirl has shown incredible intelligence and computational abilities; her mind works sharply and with extreme speed relative to earth-humans. Her analytical powers are impressive — she is able to use her senses to read information directly from machines (and, with careful usage of her heat vision, she can even reprogram machines). Kryptonians, though otherwise completely human, were superior both intellectually and physically to natives of Earth. Supergirl who lived on Argo city for some time learned much about science. Supergirl excels in engineering and has been shown at a young age to be able to reprogram advanced Kryptonian technology, like a robot, with little effort. She is even a member of the Kryptonian Science Council the ruling body of Krypton. Kara is also artistic and was once approached by the head of the Art Council who wanted to mentor Kara just like he did with her father.
Kryptonite: The fatal flaw in Kryptonian cellular physiology is the unique radiation given off by kryptonite. In the most minute amounts, the radiation waveforms and high-energy particles emitted by kryptonite can react catastrophically with the very ribosomal chemical that grant a Kryptonian powers. The briefest contact can strip these powers, and further begin a fatal poisoning that totally shuts down cellular activity in the affected areas. As kryptonite radiation makes its way through the bloodstream, a Kryptonian becomes instantly weak and ill in its unshielded presence, and prolonged exposure will render her unconscious (after 30 minutes to an hour depending on the size of the sample, and the current state of her solar reserves), and will eventually (after two to four hours) reach all parts of his body and bring death, usually as the body's immune system attempts to expel the deadly toxin. However, the rate of recovery once removed from the emissions is as rapid as the rate of damage, and the Kryptonian will be back to normal in under an hour after exposure in optimal conditions. Kryptonite emissions can be blocked by lead and other super-dense materials.
Solar Energy: Supergirl requires solar energy to function at peak capacity, or her powers fade to greatly reduced levels, some disappearing entirely if her solar reserves are empty. Supergirl cannot absorb energy from the lower frequency orange O-class stars and cannot process the higher-frequency White K or blue F classes. Blue B and yellow G type stars are ideal. Supergirl can easily survive conditions in deep space, but she does need to breathe, eat, sleep, and excrete. Supergirl requires 2 hours of sleep a night to function at peak mental efficiency, as well needing to dream at least half an hour a night, or experience the psychological effects of sleep deprivation as would any other person who missed a night of sleep. When her solar energy is depleted, her resistance to physical punishment drops to approximately one-quarter the normal amount. Withstanding large amounts of damage continuously over time will rapidly deplete his solar reserves. Further, the radiation signature of the red sun of the Krypton system (and similar M-class stars) instantly causes the ribosomal structures to lose their stored energy, reducing a Kryptonian to normal humanoid levels.
Magic: Supergirl's biomatrix is her most powerful asset, but the strength of this field is also its greatest weakness. It's permeability to certain wavelengths makes Supergirls vulnerable to certain radiations, particularly magical energies whose chaotic electromagnetic or extradimensional signatures disrupt this forcefield. Supergirl's vulnerability to magic varies on the special effects of the magic. No magic seems to be able to directly destroy her unless it comes from a semi-divine or divine source. She can be injured and worn down by magical entities. Magic can have powerful and unpredictable effects on Supergirl and her magical enemies have often proven to be the most dangerous.
Lead: X-ray vision cannot penetrate lead or lead-lined walls. It also cannot penetrate inertron, the most indestructible substance in the 30th century universe.
Supergirl has little fortress's all over the world where she can stay.
Flight mainly, though superspeed is used occasionally.
When Supergirl first landed on Earth she seemed to act petulant, having sudden mood swings causing her to shift from one personality to another and had trouble concentrating on what she was doing and had crystals that appeared out of her skin (crystallized blood). This is explained by Zor-El as Kryptonite Poisoning she obtained when stuck in suspended animation for 3 decades because her rocket had been caught in a kryptonite encrusted meteor. Thus causing her to have repressed memories over her origin and making her forget her true personality and how her parents really were.Currently, Supergirl's orgins seem to be that after Brainiac first attacked Krypton he took Kandor with him while Kara and her parents remained in Argo, thus forcing her father to use a Brainiac Probe to creates Argo's force shield. When Brainiac came to consume Argo City her parents were forced to place her into exile.
Superman Family member
Legion of Super-Heroes member
Teen Titans member
This character is or was primarily a member of the younger superhero team known as the Teen Titans, in any of its various incarnations. This template will categorize articles that include it into the "Teen Titans members" category.