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"I want to help you keep the world spinning. To prove that I was spared for a reason."
—Mon-El to Kara[src]

Mon-El is a Daxamite who crash-landed on Earth after escaping the ravaging of his home planet Daxam. While adjusting to living on the new planet, he briefly used the fake identity of "Mike Matthews". After he started to work alongside Supergirl, he introduced himself to their enemies as "the other Superman".[1]


Daxam's demise

Mon-El was born and raised on the planet Daxam, where he worked as a palace guard for the royal family.[2] He seems to have been a good friend of the prince and, in the fulfillment of his duties, he accompanied the royals on different planets, including Maaldoria, where they regularly bought and sold slaves,[3] and the Warworld, where he attended a battle of the powerful gladiator Draaga, during which the aforementioned was injured by a sword to the right leg.[2] Also Mon-El once took a girl to the Bismuth Mountains, on Sedenach, presumably for romantic reasons[3] and had past encounters with fifth dimension Imps.[4]

The day Krypton was destroyed, its debris showered on to the sister planet, causing multiple casualties. Mon-El tried bringing the prince to safety, when they spotted a functional Kryptonian pod used by a visiting delegation, he instantly decided to send the prince away, but the prince chose to embrace the fate of his people, so he locked Mon-El in the pod instead and sent him away.[2]

Landing on Earth

Mon-El in the pod

Mon-El is found by Supergirl

The pod travelled passing the Well of Stars (a region in space where time is ceased) and got stuck there for decades, before eventually finding its way to Earth[5] where it crash-landed.[6]
Comatose alien

Mon-El in a comatose state at the D.E.O.

Supergirl quickly discovered the pod, and she and J'onn J'onzz took the man to the D.E.O. to run some tests. However, they discovered that he had skin that could not be penetrated by a needle and so the man remained comatose.[5]

Escape from the D.E.O.

Kara confronts Mon-El

Kara accusing Mon-El of attacking the President.

He eventually came to and escaped into the city, and found his way to a station in hopes of sending a signal to his planet. The signal was detected by Winn and Supergirl, upon finding out he was from Daxam and fearing that he was behind the attack on President Marsdin. Supergirl apprehended Mon-El at the Mount Pride Observatory and temporarily incapacitated him. The next day, she apologized for her prejudice after realizing Mon-El wasn't behind the assault. She told him that Daxam had become a wasteland, as a result of the planet's moon being struck by Krypton's debris that disrupted Daxam's gravitational force. He then realized his only option was to remain on Earth.[7]

Adjustment to living on Earth

In the following days, while Mon-El is under the D.E.O.'s custody, Kara speaks with him about her parents and what they were and he told her that he about Draaga's weak spot. Later she comes to him and, after she apologized for having treated him harshly in the days before, Kara tells him that she was sent to Earth to protect and educate her cousin, but she was unable to fulfill this mission, so now she will train him.[2]

Kara and Mon-El at CatCo

Mon-El (as Mike Matthews) and Kara at CatCo.

Soon after, Kara asked Winn to make Mon-El a fake ID as "Mike Matthews", and arranged him a job as a CatCo intern. While Kara tried to coach him in human customs and work ethics, he resisted the boring lifestyle of a desk job, refusing to do any work and engaging in office sex with Eve Teschmacher. Eventually he was fired from CatCo, then Kara, under Alex's advice, tells him that she will not force him to live as she sees fit, and that he can find what he likes.[8]

Mon-El found new work as a loan enforcer, to which Kara is oblivious. Eventually however she caught him attacking an alien for his employers. In the heated conversation that followed, she told him she was disappointed and that he was no hero, and in turn he told her she was not really altruistic, but rather an attention seeker. The exchange left both disheartened.[9]

Path to heroism

Mon-El stops a car

Mon-El stops a car.

Soon after, Kara was seriously injured after a battle with Parasite. After seeing her unconscious and still thinking about what was said during their conversation, he became overcome by guilt and left. Mon-El was found by Alex drinking alone at the underground alien bar. Alex appeared to belittle Mon-El and saying that she believed he was a coward, but reminded him that Kara, who constantly put herself in danger and was hurt by Parasite, sincerely believed otherwise. Moved by this, Mon-El took off alone to battle Parasite, however he was no match for the rampaging monster. In the midst of the destruction however, Mon-El performed his first heroic deed by saving a by-standing child. With the help of Guardian and a recovered Supergirl, they managed to defeat the threat. Seeing Mon-El redeem himself, Kara thanked him, while also noting Guardian's contribution.[9]

Kara and Mon-El imprisoned

Kara and Mon-El imprisoned by Cadmus.

That night, Mon-El wandered the streets looking for people to help. Approaching what appears to be a sick homeless man, he was instead subdued by the Cadmus agent in disguise. He was transported to a Cadmus facility, where Supergirl was baited to rescue him. After threatening to kill him with lead, Lillian Luthor succeeded in forcing Supergirl to overload her powers, despite his pleas for Kara not to do it. Cadmus then proceeded to obtain Supergirl's blood for the purpose of obtaining information on "Medusa". Left in the cell, Mon-El and Kara bonded and discussed their fears, and what happens if they do not live through this ordeal. Fortunately they were rescued by Jeremiah Danvers, who had access to Cadmus IDs, and chose to remain behind for unknown reasons.

Kara, Mon-El and friends celebrated their return in Kara's apartment. She told Mon-El he was brave throughout the ordeal. He replied any courage he had, he learnt from her. During this time Mon-El began developing a romantic interest on Kara, asking Winn and James if she was "mated to anyone". James replies that Kara hasn't mated with someone yet.[10]

Kara prepares to toast at Thanksgiving

Mon-El spending Thanksgiving at Kara's apartment.

A few days later, Mon-El is invited have the Thanksgiving dinner with Kara's family and friends. Later, that night, after a rough fight with Hank Henshaw outside the alien bar, Mon-El contracted the Medusa Virus, which was deadly to all alien species except for humans and Kryptonians. Mon-El was then quarantined at the D.E.O., where he soon collapsed from being infected by the virus. Kara went to visit him and apologized as it was her father who created the Medusa Virus. Mon-El told her that he didn't blame her or her father and then moved to share a kiss with her before he passed out. Eliza Danvers was able to extract a sample of the virus to create a cure. After he recovered, he told Kara that he had no memory of his time being sick so didn't remember kissing her.[11]

Mon-El bartender

Mon-El as a bartender

In the aftermath of the incident involving the virus, Mon-El became a bartender at the alien bar due to many aliens having been killed. When Kara came to bar to speak to Maggie about investigating the disappearance of Izzy Williams, Mon-El decided to help her.

Mon-El and Kara on Maaldoria

Mon-El and Kara facing Roulette on Maaldoria

The two pretended to be a couple of millennials and visited a clinic linked to the disappearances that was offering money rewards for blood tests. Soon they discovered the personnel there are in fact aliens and Kara pursued them through the portal that connects Earth to their planet; despite being told to go get help, Mon-El did likewise and follow her. After realizing the new planet they landed on had a red sun, depriving them of their powers, the two were ambushed by a harmless hermit alien and Mon-El realized they were on Maaldoria, the "Slaver's Moon", a hub of sentient trafficking. Kara and Mon-El were able to infiltrate the slavers' fortress by feigning surrender, and afterwards they encountered Roulette, who was partially behind the operation. They also discovered the missing humans, and with them were soon sold to a Dominator. After Mon-El had a talk with Kara about heroism, the slavers ordered the group to start moving. Kara, despite having no powers, attempted to block them from taking the others, only to be hit with electric shocks. As the slavers repeatedly tortured her with their weapons, Mon-El and others, seeing her in agony, were moved by her sacrifice; the group seized the opportunity to disarm the slavers and moved together to escape. Mon-El helped to hold their pursuers off but saw that one of them was aiming a blaster at Kara and moved to shield her. However, a Dominator stopped the guard before he could fire and insisted that Mon-El must not be harmed before bowing to him in respect. Mon-El slightly nods at this before escaping with Kara. They were then helped out of the fortress and taken to the portal by Alex and the strike team that she had assembled. Later that night, Mon-El went to Kara's apartment and tells her he has decided that he wanted to join Kara in her work to protect people. He told her that he wanted to be a superhero on Earth just like her.[3]

Feelings for Kara

Mon-El training

Mon-El beginning his hero training.

Kara started Mon-El with his hero training at the D.E.O. and after a few trials, it seemed like he might be ready to head out to the field. At that time, Livewire had escaped from prison and Mon-El was excited to help Kara track her down. When the police were attacked by two people with Livewire's powers he and Kara went to stop them. Kara told Mon-El to stay and protect the officers while she fought the Livewires. Mon-El shielded them from the lightning but when he saw that Kara was starting to be in trouble, he left the officers to try and save her. He accidentally deflected a lightning blast to one of the officers but luckily Guardian had been there to absorb most of it with his shield. After the Livewires retreated, they saw that Guardian was really Jimmy Olsen.
Mon-El, Supergirl and Guardian

Mon-El, Supergirl and Guardian fight together.

Kara later confronted Mon-El with abandoning the officers and Mon-El defended himself stating that he saw she was in trouble. However, Kara asked if the real reason that Mon-El was doing this was for her, which Mon-El just left her without answering. Later, it was revealed that Livewire had been kidnapped by a scientist to make Livewire soldiers. He overheard Winn calling Jimmy and telling him that he knew where Livewire was even though he told the others that he didn't. He followed after them and arrived to stop the Livewire copies from attacking Guardian. However, the scientist who created them subdued them both. Kara then arrived to help free them and Livewire and together the four stopped the scientist and his soldiers.

Mon-El visited Kara at her apartment and confessed that he remembered kissing Kara when he was sick. He also told her that he saved her during the attack because he cared about her. Though he said that he understood that she might not feel the same way but he asked Kara to still work with him and help him become a hero. He then left the apartment with the both of them awkward and flustered.[1]

Kara ran into Mon-El as he was working in the bar where he apologized for being so honest with his feelings as he had heard that men on Earth weren't supposed to do that. Kara however told him that she was glad he was honest and said that she agreed that the two of them weren't a good match and that she didn't feel the same way. She told him that they didn't match and he needed to keep looking until he found the right one for him. Mon-El nodded before he moved off for another part of the bar.
Mon-El went on a date with Eve

Mon-El went on a date with Eve.

Mon-El went off for Catco and Kara was happy to see him because she wanted to talk to him but then saw that he had been there to meet with Eve Teschmacher for lunch. When Eve left, Mon-El asked if she was okay as he had heard about the attack at the D.E.O. by the White Martians and Kara assured him that everyone was fine. Kara then asked if the lunch with Eve was a date and Mon-El told her it was as Kara had suggested that he needed to find the right one. Eve then came back and Mon-El left with her while Kara left disheartened.[12]

Mon-El served Kara and her friends their drinks when they went to the Alien Bar to meet Alex's boyfriend though it was revealed that she was dating Maggie. Mon-El and Kara felt a little awkward around each other especially when talk of Eve came up between them. Also, that she had been seeing less of Mon-El lately because she had been busy with hero work. He later went to the D.E.O. where he saw Kara venting out frustration on blocks of concrete due to the mounting suspicion towards Lena Luthor. He told Kara that she wasn't wrong to keep believing in Lena as she had a habit of giving people the benefit of the doubt when others said not to. At first, Kara thought that he was trying to add to the mistrust of Lena but told her that he was referring to the faith she gave to him. Kara admitted that she had been avoiding Mon-El not because of work but because she was angry that he had been dating Eve. Or she was before it was revealed that they had gone on one date but it didn't end well as Mon-El had talked about Kara the entire time. Mon-El was confused as why she would be angry when she said that she didn't like him.

Kara confesses her true feelings to Mon-El

Kara confesses her true feelings to Mon-El.

He later visited Kara in her apartment where she admitted that she did like him. She had said she didn't because she was worried that she wouldn't be able to be with someone and still be the hero she wanted to be. However, she told him that maybe she could have both after all, with him. They were about to kiss but were interrupted with the arrival of the fifth dimensional being Mxyzptlk.[13]

Mon-El threatens Mxyzptlk

Mon-El threatening Mxyzptlk to leave Kara alone.

When Mxyzptlk started to show off his powers to Kara, Mon-El went and angrily grabbed the being and told her that Kara was already spoken for. Mxyzptlk laughed at Mon-El as he thought that the Daxamite wasn't worthy of her and then whisked him away to the D.E.O. in his underwear. When Kara returned, he and J'onn told her all about beings like him and how his powers were on par with that of magic. He also told her that on Daxam, they had a zero tolerance policy for beings like them because although they knew 'how to party' they tended to take things too far. Kara then pulled him aside and the two of them agreed that what was about to happen before Mxyzptlk showed up was nice and they both wanted to go back to that, especially as how it was the day of Valentine.

When Parasite seemingly appeared to be attacking National City, Mon-El went off to help Kara with him but they were surprised by the arrival of Mxyzptlk in a costume that looked like Superman's. It was then revealed that the imp had conjured Parasite as part of a scheme to try and show off his powers to Kara. Mxyzptlk began to mock him and Mon-El angrily suggested that he just say his name backwards and go back to his dimension. Kara then asked Mon-El to leave so that they could talk in private as she felt he was starting to lose control. Back at the D.E.O. the two of them got into a heated argument. Kara was angry that Mon-El didn't tell her about the saying the name backwards thing to banish Mxyzptlk but he told her that he didn't because it never works as the imp was annoying but not stupid. He then started to accuse her of being blinded by the attention Mxyzptlk was giving her and getting dazzled by his power. He believed that they should just find a way to kill him but Kara argued against it. Mon-El then stormed off to Winn who told him that he managed to find something that might work on Mxyzptlk and Mon-El swiped it.
Mon-El and Mxyzptlk duel

Mon-El duels Mxyzptlk.

He then called out for Mxyzptlk and challenged him for Kara. Mxyzptlk accepted and transported them to a theatre and got them pistols so that they could have a duel. When Mon-El received his pistol, he let out a shot immediately but it had no effect on him. Mxyzptlk easily overpowered Mon-El until he used the device from Winn to take away his powers. The two of them then fought on seemingly even grounds until Mxyzptlk got the device from him and destroyed it. He then suspended Mon-El up above the stage and prepared to shoot him with a lead bullet but Kara arrived. She said that she would marry Mxyzptlk to the shock of both men. When Mon-El visited Kara at her apartment to ask what she was thinking, she told him that the two of them were just too different and weren't going to work. He then left the apartment brokenhearted.
Mon-El and Kara make out

Mon-El and Kara make out.

After Kara defeated Mxyzptlk, he visited her again and she told him that she had said all that stuff to him so that he would let her go through with her plan. She told him that she didn't mean any of that stuff she said, though stressed that she didn't need him to swoop in and try and save her. Mon-El admitted that he tended to lose his head when it came to her and said that she was his Kryptonite. The two of them then spent the rest of Valentines day kissing on her couch.[4]


Mon-El is light-hearted, cheerful, carefree, laid-back and fun-loving. He hates being locked indoors and loves to party. Presumably like all Daxamites, Mon-El dislikes Kryptonians; due to their arrogant and self-righteous traits, although he later warms up to Kara.[2] Mon-El also possesses good morals, as he shows guilt and remorse for his actions.

Some people see Mon-El as a coward who runs away at the first sign of danger. However, in truth, he only avoids fights because he doesn't want to get involved unnecessarily, as well as the fact that he has no desire to become a hero. After some word with Alex, however, Mon-El begins to warm up to the idea[9] and also develops a romantic attraction to Kara.[10]

Since Mon-El is new to Earth, he is naïve to how things work on the planet, as well as expressions, holidays, jobs and dangers; when he attempted to have sex with Eve Teschmacher (before this was prevented by Kara) she asked him if he took protection, Mon-El took this as an expression for a weapon like a sword, unaware that it actually means a condom, or when he mistakenly brought over mattress stuffing for Thanksgiving dinner. But in spite of all that, he's shown more knowledgeable about the universe than Kara due to being already an adult when left his planet at the time of its destruction, whereas Kara was just an adolescent during Krypton's.

When it comes to his feelings for Kara, Mon-El tends to not think straight and loses control of his emotions.

Powers and abilities


  • Daxamite physiology: Normally, like all Daxamites, Mon-El's capabilities are no greater than a normal human of his physical conditioning. However, once charged by the energy of a blue or yellow sun and metabolized into his body, he becomes able to perform various inhuman feats. While generic for his race (as well as for Kryptonians), upon arriving to earth for a short amount of time it is unknown whether he will develop other powers.
    • Solar energy absorption: While Mon-El's powers are dependent on the energy spectrum from a blue or yellow sun, his body is able to constantly and passively absorb such energy while exposed to it, essentially keeping his reserves fully charged near-constantly. Direct exposure to sunlight will also accelerate his recovery from any injuries he does manage to sustain.
      • Accelerated healing factor: His energized metabolism has the power of cellular regeneration. He regenerated from comatose by absorbing energy.
      • Invulnerability: Mon-El's body is impervious to disease and damage than a normal human's, as needles couldn't penetrate his skin; the full extent of his durability is currently unknown.[5]
      • Electrosynthesis: Mon-El's cells harness and absorbed the electrical energy surrounding him, manipulating it to regenerate himself at a cellular level and even his own energy source when he was comatose..
      • Super speed: Mon-El is able to move, react and think at amazing speeds far exceeding that of a normal human.[7]
      • Super strength: Mon-El possesses an incredible amount of strength, as he was able to temporarily hold his own against Kara and easily choke her. Although Winn states, that his strength is not equally as high as Kara's.[7]
        • Super leaping: Mon-El's incredibly strong legs have the ability to do incredibly high jumps in a single bound.


  • Skilled hand-to-hand combatant: As a former palace Mon-El is a capable unarmed fighter.
  • Expert marksman/Firearms: Mon-El has proved to possess a certain level of knowledge on the use of firearms.[3]


  • Lead: Mon-El has a weakness to lead. If a lead bullet stayed in his system for too long, he would die from poisoning.
  • Extreme energy: Extreme amounts of energy, such as Livewire's electricity, while she is at her peak, can be enough to kill Mon-El.
    • Electricity: Despite his invulnerability, Mon-El seems relatively vulnerable to large amounts of electricity. This was seen when fighting against Livewire.
  • Red Sun energy: Like Kryptonians, exposure to the Red Sun will make Mon-El the equivalent of a human being on Earth.
  • Magic: He is not invulnerable to magic because his powers come from his natural physiology and not supernatural means. Mr. Mxyzptik was able to easily teleport him away to the D.E.O's office in his underpants in an instant.



Behind the scenes

  • In DC comics, Mon-El (alternatively spelled as M'Onel), born Lar Gand, is a Daxamite superhero known as Valor, inspired by a young Superman.
  • In the Comics, Mon-El shares Superman's modern powers such as heat vision and flight. In the show, his powers more closely mimic those Superman displayed in the earliest comics (being "faster than a speeding bullet . . . more powerful than a locomotive . . . [and] able to leap tall buildings in a single bound") before acquiring these more exotic ones.
  • In the comics, Mon-El's name derived from being found on a Monday (Mon), and Clark Kent's birth surname (El).


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