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Fanfic / Omni Evolution

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"We all know Mystique had two children in her life. Kurt, the son lost as an infant and Rogue, the adopted daughter. What if she had a third child? What if this one was thought dead by everyone, but had actually survived? Watch as a family is reunited, the waves it creates and as a small child regains the mother they lost."
Summary of Omni Evolution

Omni Evolution is a fanfic by Gigglingskull that takes place in the X-Men: Evolution universe and is a Fusion Fic with Ben 10.


Professor Charles Xavier gets a call from his old friend, Max Tennyson. Max informs him that his granddaughter, Gwen, inherited her grandmother's powers, and that the family would like for Gwen to make friends at the Xavier Institute to help her cope with the loss of her younger cousin. Following Gwen being taken into the X-Men and enrolling at Bayville, dark secrets of Mystique's past begin to resurface, as memories of the loss of her third and youngest child are brought to the forefront. Meanwhile, a unique mutant makes himself known, and he bears a greater connection to these two than anyone realizes.

Currently, the fic hasn't been updated in over 4 years.


Omni Evolution provides examples of:

  • Absurd Cutting Power: Wolverine's adamantium claws can slice through Diamondhead's skin. Though the scraping noise it makes on contact makes this a pain for himself and his teammates.
  • Absurdly Spacious Sewer: The creature's home is a sewer that's large enough for the X-Men to fight around in. This makes it easier for the creature to fight against them as well regardless of the form he takes.
  • Achilles' Heel: The creature's transformations, like their canon counterparts, have various weaknesses that can be exploited. In addition, he can only use one transformation at any time.
    • His Diamondhead form is vulnerable to high frequency sound. Though this weakness is never exploited on himself, he exploits it when Rogue absorbs the form's powers (and consequently its weaknesses) by turning into Blitzerwolf.
    • All Ditto clones feel the same physical pain that just one of them does. This is first seen when Cyclops blasts one of them and they all feel the same agony. They also can't transform into any of his other forms until all the clones merge back into one.
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    • AmpFibian's intangibility can be countered by someone else's intangibility. On the flip side, this works vice versa for others with intangibility as well. He's also vulnerable to counterattack in the moments he becomes tangible again.
  • Adaptational Angst Upgrade: Ben's father is heavily implied to have been abusive to him after discovering he was a mutant and he was captured by HYDRA, who performed several cruel experiments on him.
  • Adaptational Badass: Ben is shown to be way stronger than he usually is, and that's saying something. He can not only transform into any alien form with a mere thought, but he doesn't have any time limit and has access to many of the Alien Force and Ultimate Alien transformations.
  • Adaptational Heroism:
    • Kevin is much nicer than he was in the original series and at the start of Alien Force, where he was a jerkass antagonist in the beginning before he became a good guy. Even though he's a member of the Brotherhood, he functions as the Token Good Teammate of the group.
    • Verdona never left Earth and stayed by her family.
  • Adaptational Jerkass: Ben's father was heavily implied to have become abusive after learning of his son's mutant heritage, where as the original was kindhearted and loved his son even after he learned about the Omnitrix and Ben's secrets.
  • Adaptation Species Change: Gwen, Kevin, and Ben are re-contextualized as mutants in this fanfic.
  • Age Lift: Ben is much younger than Gwen in this story. In the original series, they were the same age. Here, he's nine while Gwen is sixteen.
  • Ambiguous Innocence: The creature is younger than any of the X-Men, but he gets an urge to go through Spike's naughty magazines (albeit heavily embarrassed and not fully understanding the meaning behind them) and he caresses Storm's body in a rather suggestive manner when he possesses her, though whether he actually knows what any of this means or he was just emphasizing how he now holds her hostage is left up in the air.
  • Anti-Villain:
    • The creature just wants to be left alone. He only targets the X-Men to get his pendant back.
    • Kevin has done some shady deals in the past and is a member of the Brotherhood, but he's really a pretty nice guy outside of those traits.
  • Arbitrary Skepticism: Despite the existence of mutants, as well as being mutants themselves, the Brotherhood doesn't believe in aliens. Kevin calls them out on this and how the existence of alien life isn't too far fetched.
  • Berserk Button: For the Creature, no Your Mom insults toward him. If you're lucky, he'll enter a Villainous BSoD, if not, he'll beat you within an inch of your life, if you're somewhere in between, then both.
  • Body Snatcher: Ghost Freak can take over the bodies of others. He uses this to possess Storm and hold her hostage to get his pendant back. He can also use said host's mutant powers provided that they have any.
  • Brought Down to Badass: Even with Diamondhead's powers sapped, he still has a fair bit of natural Super Strength, which he uses against Rogue.
  • Brown Note: Downplayed. The scraping noise made when Wolverine attempted to cut Diamondhead's crystal skin only caused the X-Men pain, but it didn't outright hurt or knock anyone unconscious.
  • Conservation of Ninjutsu: Multiplying into more Ditto clones just makes the creature easier to beat since they all feel each other's pain. The clones were originally banking on the X-Men not learning that little detail to win, only for some to fall of a chandelier and almost land on Cyclops. Cue laser eyes.
  • Covert Pervert: Spike has some rather suggestive magazines stashed in his room. The creature was both heavily embarrassed when he found them, yet strangely compelled to read more into them.
  • Curb-Stomp Battle: When he shifts to Diamondhead, the creature spends a good deal of the fight rag-dolling the X-Men, even knocking Wolverine out with a single hit.
  • Darker and Edgier: The story is much darker in tone than either show with more mature subject matters like vulgarity that a children's cartoon wouldn't be able to get away with, Death of a Child, not to mention it's Bloodier and Gorier.
  • Description Porn: The character appearances and environments are very well described and detailed, often taking up a paragraph or two.
  • Does Not Know His Own Strength: The creature apparently underestimates how powerful he is, as he ended up almost killing an innocent store worker by throwing him onto the street as Four Arms. Later in his fight with the X-Men, he hit Wolverine with way more force than he intended to as Diamondhead. Sadly, it's enough to convince the X-Men (especially Spike) that he's a remorseless killer.
  • Dramatic Irony: The X-Men are actively trying to imprison the creature from the sewers, who is actually Gwen's long lost cousin, Ben, whom her family has been mourning for the past six years.
  • The Empath: One of Gwen's abilities is the power to sense people's emotional states. She can even use this to sense the presence of others. Jean has this ability as well.
  • Even Evil Has Loved Ones:
    • Mystique serves Magneto, but she genuinely loves her children and still mourns her youngest son's "death" years later.
    • Calling the creature "evil" is a stretch, but he still misses his mother dearly and gets royally pissed at anyone who insults her (i.e. Your Mom jokes).
  • Eyes Do Not Belong There: Eyeguy has eyes covering several areas of his body. They can even shoot lasers.
  • Failed a Spot Check: Mystique normally knows who Charles recruits for the X-Men and keeps tabs on all of them. But she failed to notice that they were taking Gwen in due to recruiting Kevin at the time.
  • Fatal Flaw: Spike's pride and recklessness cause his teammates more trouble than they can deal with. He's so against the creature because he humiliated them in their last encounter, and as such he refuses to compromise with him and just wants to fight so that he can prove himself superior. His constant antagonism stems from this, and it does more harm for him and the others than good.
  • Fearless Fool:
    • When the X-Men first enter the creature's home, Rogue tells Storm that she's not scared when questioned. Gwen tells her that anyone not scared of their current situation - on the home turf of a mutant with almost every power under the sun - is a fool.
    • Spike fits this. He's very stubborn when it comes to fighting the creature despite being sorely outclassed. A little fear would go a long way to curb his stupidity.
  • Forgot About His Powers: Kitty forgot that she could phase out of the crystal trap that the creature put her in due to her immense fear of him and her tendency to freeze up when fighting him.
  • Fusion Fic: Between Ben 10 and X-Men: Evolution, as both series exist in the same universe and certain characters have strong connections to each other.
  • Goo Goo Godlike: Ben is just nine years old and is powerful enough to solo the X-Men by himself. Having all the Omnitrix transformations at such a young age without any time limit and the ability to shift between forms with mere thought makes him arguably the strongest mutant on the planet next to Magneto or Apocalypse, with the main thing those two have against him is experience.
  • Happily Married: Max and Verdona. Jean even hopes that she'll find someone to love like how they love each other.
  • Healing Factor: Wolverine and Diamondhead both possess one.
  • Hearing Voices: When in ghost form (Ghost Freak), the creature hears a voice in his head that influences him to be more aggressive and ruthless.
  • Heroic BSoD:
    • Kitty frequently ends up freezing in fear when she fights the creature. Their fight in the sewer, where the creature almost drowned her, was very traumatic for her.
    • Rogue has a short but effective one when she sees the creature's past torture at the hands of HYDRA.
  • Idiot Hero: Spike is one of the X-Men, but the decisions he makes border on Too Dumb to Live territory. His constant antagonism of the creature has caused the X-Men more problems than they can deal with and has prevented Jean from making any breakthroughs with him.
  • Inspector Javert: Most of the X-Men - exceptions include Xavier, Jean, Gwen, and later Rogue to an extent - view the creature as a criminal that needs to be stopped, when he really just wants to be left alone. Granted, his one-man rampage against the X-Men on their home turf doesn't really help his case, but it still falls under this as a number of them aren't interested in his side of the story. A major part of why Spike is so against the creature comes down to wounded pride, while Cyclops partially blames the creature for causing a rift between him and Jean and doesn't understand why Jean sympathizes with the creature so much.
  • Intangibility: This is an ability that both Shadowcat and the creature - as Ghost Freak and AmpFibian - have. The creature's intangibility actually cancels out Kitty's, so she was unable to escape from him.
  • In the Hood: The creature wears a large cloak that covers his entire body and also has a hood that hides his face. Its size seems to alter depending on what he transforms into.
  • Kids Are Cruel: Subverted. The creature is only nine years old, but he only antagonizes people when they invade his home or when he needs to steal something to survive. His main vendetta against the X-Men is that one of their members (Gwen) stole his pendant.
  • Luke, I Am Your Father: Mystique is Ben's mother, though neither is aware, nor is Mystique herself aware of her son's survival. This also means that Nightcrawler is Ben's half-brother and that Rogue is his adoptive sister.
  • Make Me Wanna Shout: The creature's Blitzerwolf form can emit powerful sonic screams from his mouth. This came in handy when Rogue absorbed Diamondhead's abilities and weaknesses.
  • Me's a Crowd: Ditto clones all talk with each other while at the same time being the same person. They aren't mentally connected, so this is their main method of communication.
  • My God, What Have I Done?: Rogue has this when she sees the creature's memories of his torture at HYDRA's hands during their experiments. Not only does she realize that the creature isn't as bad as she and the others believed him to be, but that she forced him to relive the absolute worst parts of his life.
  • Naïve Newcomer: Gwen is the new kid in the X-Men and is the least experienced.
  • Nice Job Breaking It, Hero!:
    • Yes Scott and Evan; attack the creature while Jean is trying to befriend it and is visibly succeeding. Congratulations! Now said creature is perfectly willing to go to war with your team and Jean barely tolerates both of you.
    • Gee Evan, did it ever occur to you that continually antagonizing the creature is a bad idea? No. Well it is.
    • Gwen choosing to not tell anyone that she grabbed the creature's pendant when he made his presence and desire known at the manor also counts, as she could have saved everyone a lot of grief had she done so.
  • Nigh-Invulnerable:
    • Wolverine's adamantium skeleton for obvious reasons.
    • Diamondhead. So much so that pretty much all of the X-Men's attacks didn't make him flinch. While Wolverine's claws did cut his skin, the earsplitting sound it made on contact made this more painful to the X-Men than it did to the creature.
  • No Name Given: The creature doesn't have a name as far as the narrative goes and none of the X-Men refer to him as anything other than "the creature" since they don't know who he is. This hides the fact that he's actually Ben Tennyson.
  • Noodle Incident: Logan and Max were involved in undercover government operations that he can't talk about, otherwise he'd have to kill the kids. Don't worry, he's joking... we think.
  • No-Sell: Diamondhead loves doing this. He didn't even react to Spike's attacks and he barely flinched at everyone else's attempts at damaging him. About the only thing that could somewhat damage him were Wolverine's claws, but that was only a temporary advantage that barely lasted more than a few seconds. About the only thing that could do him in was Rogue's power absorption abilities.
  • One-Man Army: The creature handed the X-Men their collective ass without much effort. How much of one he is varies depending on his transformation.
  • Papa Wolf: While not her actual father, Logan has developed a fatherly protectiveness for Gwen, especially after learning about what happened to her cousin years ago.
  • Poor Communication Kills: Not "kills" in the literal sense, but the lack of proper communication between Spike, Jean, and Scott lead to the massive misunderstanding between the X-Men and the creature that effectively made him their enemy.
  • Power Parasite: Rogue's powers let her steal another's abilities along with their life-force, memories, and most importantly, weaknesses. The creature takes advantage of this when she steal's Diamondhead's powers and his weakness to sonic attacks.
  • Related in the Adaptation: Mystique is Ben's mother, as well as Gwen's aunt.
  • Shapeshifter Weapon: Diamondhead can alter his limbs into various weapons to use, such as blades and maces.
  • Shipper on Deck:
    • Verdona senses the connection between Scott and Jean and hopes the two will get together.
    • Kitty heavily ships Gwen and Kevin.
  • Ship Tease: Gwen/Kevin, Scott/Jean, and there's also some Scott/Rogue as well.
  • Slashed Throat: The creature does this non-lethally to Storm. After possessing her, he uses a shard of glass to slice her throat, but does so in a way that won't kill her, effectively holding her hostage until he gets his pendant back.
  • Story-Breaker Power: Considering the scope of Xavier's telepathic abilities, he could probably end the fight with the creature in two seconds, so he spends the entire time the creature is around completely absent.
  • Superpower Lottery:
    • Gwen's control over mana gives her the largest move-pool out of all the X-Men kids. Besides Mind over Matter, she also has empathetic abilities as well as hexes and magic.
    • Ben's got it more than he did in the series, as he can transform into any alien at will without worry of a time limit. The primary limits are his own immaturity and the fact that he can only use one transformation at a time. But since some transformations are lottery winners in their own right... well, it's easy to see how the X-Men get beaten down so easily with a move-pool like that.
  • Super Strength: Some of the creature's transformations (Four Arms, Diamondhead, etc.) have this.
  • Token Good Teammate: Kevin is pretty much the nicest member of the Brotherhood.
  • Troubling Unchildlike Behavior: Ben comes across as disturbed and detached for a nine year old, not to mention his penchant for violence and the fact that he lives in a sewer and steals frequently. Given his torture at the hands of HYDRA, it's not like he had any chance to have a normal childhood.
  • Truer to the Text: Scott has more Control Freak aspects to his character, making him more in-line with his comicbook characterization.
  • Underestimating Badassery: Spike constantly underestimates the creature and thinks that they can win easily, despite the fact that said creature has curb-stomped them several times. His overconfidence just makes things worse for him and his teammates, with them getting exasperated by his stubbornness. The rest of the X-Men thankfully avert this as they are well aware of how dangerous the creature is.
  • Valley Girl: Kitty repeats "like" and "totally" a lot in all her dialogue.
  • Villainous BSoD:
    • Mystique has one when she sees Gwen due to her past as Sandra Tennyson. It goes into a full blown breakdown after she leaves her office, where Mystique breaks into tears at the memories.
    • Granted, he's only a villain by virtue of opposing the X-Men, but the creature has a couple:
      • He has one when Nightcrawler does a Your Mom insult at him during his fight with the X-Men.
      • He ends up having another one when Rogue's powers force him to relieve the experiments HYDRA did on him.
  • What Happened to the Mouse?: Gwen's aunt, Sandra Tennyson, has been missing for years, with no one knowing where she is. In actuality, Sandra WAS Mystique in human guise.
  • Why Did It Have to Be Snakes?: Kitty is utterly terrified of the creature ever since the X-Men's first encounter with him. During his attack on the mansion, she tended to freeze up when fighting him.
  • The Worf Effect:
    • As is the norm with Wolverine, he gets easily wrecked by the creature twice. Once during their encounter in the sewers, and again when he was knocked out at the Mansion.
    • The X-Men as a whole get their asses kicked to show off how powerful the creature is.
  • You Have Got to Be Kidding Me!: Wolverine has this reaction internally to when the creature transforms again.
  • Your Mom: Nightcrawler uses one of these types of insults against the creature when they fought at the manor. The creature reacted... quite strongly.


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