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Modified Clone

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Mewtwo: Am I only a copy? Nothing but Mew's shadow?
Dr. Fuji: You are greater than Mew, improved through the power of human ingenuity.

You're making a copy of yourself, for whatever reason. But while you're at it, why not make some improvements?

Accelerated maturation might shorten the time you have to wait, enhanced strength might make better workers or soldiers, super smarts might help them with your research, or maybe that "free will" thing is too troublesome for your liking.

Super-Trope of Opposite-Sex Clone.


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    Anime & Manga 
  • A Certain Magical Index: The MISAKA series are a Clone Army based on the teenage Misaka "Railgun" Mikoto, one of the world's strongest espers; while their electric powers are far inferior to the original's, they receive "programming" at birth which allows them to link their brainwaves into a Hive Mind (which was in fact the true reason for the project, as there are a lot of ways to abuse such a large mass of psychic energy). Much later, the series introduces MISAKA Worst, a clone that's been aged to around sixteen and modified into a Super-Soldier; Worst's powers are much closer to the original's, though she mostly uses them to create explosions.
  • Most clones in Lyrical Nanoha are modified in some manner, even before Clones Are People, Too is factored in. Almost all of them are more powerful mages than their originals and the combat cyborgs in particular have been adjusted to keep their bodies from rejecting all their mechanical implants.
  • The Egghead arc of One Piece introduces new Pacifista weapons called the "Seraphim". Not only are the Seraphim mere copies of the Seven Warlords (as was the case with the previous Pacifista models being cyborg copies of Kuma), they have also been modified to also incorporate Lunarian traits and capabilities in order to make them stronger. They also appear to be younger versions of those they've been modeled after.
  • Twin Spica has Marika—who isn't so much modified as was born and raised almost a generation after her original, after the invention of a treatment for the fatal hereditary condition she and her original share. Later on in the series, she takes care of a tree which plays this trope straight—a genetically modified tree which is tougher against cold and higher elevation, and could be suitable for early biospheres on Mars.

    Comic Books 
  • In the Futurama comic "The A-Team", the crew meet a Zoidberg clone who has hair and is apparently "better" than the original.
  • Paperinik New Adventures has the entire Evronian race in its current form. While they weren't this in their past, by the time of the series they're all clones, and the various castes, and relative differences, come from how they're grown while in the spore stage:
    • If left to grown in nature absorbing emotional energy from the planet they've been planted on, or artificially grown with low energy, they develop in low-caste underlings that can be trained for the warrior or scientific caste. They are usually identical, but have been spotted have been a small number of (presumably defective) warriors shorter and pudgier than normal and two huge low casters, one being a warrior and the other a technician prone to use Percussive Maintenance to repair the antimatter alternator of the old ship he served on (and having to repair it the traditional way when all the hits made it break down in the middle of a battle).
    • Artificially using more energy with a number of altered procedures results in them developing as mid-caste officers and scientists, high-caste generals and scientists (that show the most difference in looks, and sometime greater intellect they're supposed to), or even members of the Council or the two-headed "emperor-type" Evronians. The procedures are not secret, but low caste scientists are literally unable to properly understand them, and the one time one had to try and grow a proper high-caste scientist to grow an emperor he instead obtained one with a moral compass that played the idiot to not be killed before he could neutralize the rest of his group others without killing them.
    • Aside for Trauma (originally a general altered after having already been grown), Evronian Super Soldiers are the result of modified spores.
  • Spider-Girl: April Parker was a clone of May Parker spliced with a sample of the Venom symbiote, allowing her to shapeshift and transform into a monstrous form.
  • Superboy (1994): Kon-El's original backstory had him as a human clone created by Project Cadmus to resemble Superman and genetically modified with a form of telekinesis that mimicked Superman's powers, after Cadmus' twelve previous attempts to directly clone Superman failed. Kon-El's human DNA donor was later revealed to be Dr. Paul Westfield, the head of Cadmus. (This origin was retconned after the series ended.)
  • Venom:
    • The Mania symbiote, which debuted in Venom (Vol. 1), is a modified clone of the Venom symbiote that was created by the Ararat Corporation from a chunk of the original's tongue. It was supposed to be reabsorbed into the original and overdose it with reproductive hormones, but that never happened and for the most part it was identical to the original, though in Venom Inc. it temporarily developed the ability to control people using pieces of itself.
    • The original Anti-Venom symbiote was created when Eddie Brock's Venom codex — trace remnants of the symbiote left in his body — was infused with Martin Li's lightforce energy, fusing them to his white blood cells to create a mindless symbiote with healing abilities, a touch caustic to normal symbiotes, and none of a normal symbiote's weaknesses.
    • The Silence symbiote, which debuted in Extreme Carnage, was created by combining the remains of the Scream symbiote with Anti-Venom serum to create a new symbiote with the powers of both.
  • Several authors of Wonder Woman present the titular character as essentially a magically created clone of her mother Hippolyta with added boons of power from Aphrodite, and/or the other goddesses with have been associated with her creation over the various reboots.
  • X-Men: The Stepford Cuckoos (or the Five-in-One, or Weapon XV) are five genetically modified clones of Emma Frost. They're The Ageless and are telepathically linked. Oh, and they're a living superweapon designed to help wipe out Mutantkind. (There were thousands more of their 'sisters', but they got incinerated.)
  • X-23:
    • Laura herself was modified by necessity. The genetic samples salvaged from Wolverine were severely damaged, leaving only the X chromosome intact. As a result, attempts to create an exact clone of Logan failed. Sarah Kinney, the program's lead geneticist, instead proposed modifying the clone by duplicating the X chromosome, thus making a female. It's eventually revealed that Sarah Kinney used some of her own DNA to complete the damaged sample, thus making her Laura's biological mother.
    • In the Circle of Four, Blackheart — the son of Mephisto — created four clones of X-23 and bonded them to samples of the Toxin symbiote.
    • A recurring subplot of All-New Wolverine and X-23 Vol. 4 is Dr. Chandler's attempts to duplicate X-23, first with the Sisters, and later with the X-Assassins:
      • The Sisters (except for Gabby) failed to develop the X-gene altogether due to flaws in the cloning process, making them an unintentional example of this trope. Additionally, Bellona was further modified when these same flaws led her to develop albinism. More intentionally, all of the girls were rapid-aged to maturity.
      • The X-Assassins were modified by completely eliminating their Healing Factor altogether, attempting to bypass Laura's pesky morality by making them disposable cyborgs. Further experiments building off the same project led to Laura's DNA being used to create genetically modified...turkeys.

    Comic Strips 
  • In Calvin and Hobbes, after Calvin's first attempt at cloning went predictably awry because he couldn't control his clones, he installed an ethical switch on the duplicator and made a clone of his good side. The clone eventually poofed when he threatened Calvin with violence over their irreconcilable views on Susie.

    Films — Animated 
  • Played for Laughs in Invader Zim: Enter the Florpus: "Clembrane" is bloated, has pink skin and mismatched arms; the only clue that he's a clone of Professor Membrane comes from the outfit and kind of the hair. Gaz describes him as looking like if Membrane got stung by radioactive bees.
  • In the first two Max Steel direct-to-video films, Endangered Species and Forces of Nature, it is revealed that Bio-Constrictor created several clones of himself and modified them with an substance known as Elementium, which was meant to give his clones elemental powers and eventually the ability to terraform the planet. Elementor was the only successful clone that came out of it, luckily.

    Films — Live-Action 
  • Godzilla
    • Biollante is a complicated example, having been created by Dr. Genshiro Shiragami splicing together the genetic material of a rose with Godzilla's mutagenic "G-Cells" and his dead daughter Erika, creating a nightmarish Botanical Abomination possessed by Erika's spirit.
    • SpaceGodzilla from Godzilla vs. SpaceGodzilla is theorized to have been created when G-Cells either from Biollante or Mothra flying into space were sucked into a black hole and merged with a crystalline entity.
    • Orga from Godzilla 2000 was the result of this going awry. The Millennians — who had surrendered their physical bodies and become Energy Beings — attempted to harness Godzilla's Organizer G1 to obtain new bodies and conquer the Earth. After absorbing Godzilla's DNA, they first manifested as a translucent squid-like Blob Monster before mutating into the monstrous Orga, who attempted complete its transformation by devouring Godzilla.
  • Star Wars: Attack of the Clones: The Clone Army are modified to age at twice the normal rate, and follow orders practically without question. Their genetic template, Jango Fett, commissioned an unmodified clone to raise as a son, Boba.

  • Liaden Universe: A character called the Uncle has survived for hundreds of years by transferring his mind from clone body to clone body. He has also produced a number of clone "brothers" (and at least one "sister") whose genes are based on his but have been tweaked to have an aptitude for something that will be useful to his long-term plans.
  • A Memory Called Empire: Teixcalaanli law requires citizens to have a genome at least 10% unique for identification purposes, but the Emperor's heir is a "ninety percent clone". Which is close enough that if a Lsel imago of the Emperor were installed in the clone it would completely overpower his personality rather than acting in symbiosis like the Lsel intended.
  • Project Nemesis: The titular kaiju Nemesis originated as a clone of the deceased Maigo Tilly that was infused with the genetic material of an alien monster. After Nemesis is nearly killed at the end of the second book, she expels a reconstituted Maigo who possesses superhuman abilities.
  • Stardoc: Cherijo Grey Veil is not only an Opposite-Sex Clone of her "father" but was also modified with a Healing Factor that makes her virtually immortal.
  • Vorkosigan Saga: This is Inverted with Miles's clone-brother Mark. As Mark was growing up, he was altered to match Miles's appearance, because otherwise he would have come out looking rather like their cousin Ivan.

    Tabletop Games 
  • Battletech: The Clans don't go in for literal cloning, or even much direct genetic manipulation beyond mundane selective breeding, but the Designer Babies they raise with their "iron womb" technology have a couple of very distinct Warrior sub-castes optimised for a particular task. Elementals are larger and stronger than average in order to make better infantrynote , whereas the aerospace pilot phenotype are the exact opposite (and would probably look "chibi" in an extremely un-kawaii way in real life), being smaller and lighter with disproportionately large eyes. The practical value of these programs ultimately proved to be rather limited.
  • Warhammer 40,000: The Leagues of Votann reproduce by means of mass-cloning, using an extensive library of ancient genetic templates as a base resource. These clones are typically tweaked and edit to varying degrees to match the Leagues' current needs, meaning that in practice even Kin from the same batches aren't precisely the same.

    Video Games 
  • Fate/Grand Order:
    • Jeanne d'Arc Alter is the result of Gilles de Rais wishing for a Jeanne that's more inclined to his thoughts: a vengeful saint who wants to destroy France. Jeanne herself is so pure that she doesn't feel any grudge towards the country that betrayed her, so Gilles wished upon the Holy Grail for the next best thing: a "darker clone".
    • Cu Chulainn Alter is the result of Queen Medb's wish of the Holy Grail for a Cu Chulainn that's closer to her fantasies — he's stronger (and looks more monstrous) and his personality is the complete opposite of Cu's.
  • In the sequel to Destroy All Humans!, after Natalya is killed, Crypto uses the cloning machine to bring her back. However, he makes a few adjustments, which are for her to be head over heels in love with him.
  • The main plot of M.U.G.E.N's fullgame Anti-Gouki Project is about clones of Akuma made with this fighter's DNA but implanted with different personalities and powers, being the game a Tournament Arc that decides which clone will lead the Clone Army to Take Over the World.
  • Pokémon. Mewtwo is a genetically modified clone of the mythical Mew, looking more humanoid and being larger and stronger than it. At its introduction it was the strongest Pokemon of the game, and thanks to Mega Evolution contests that position with Mega Rayquaza. Unfortunately for its creators, Mewtwo proved too strong. In Pokémon Adventures, the Mew DNA sample was incomplete so the scientists spliced it with human DNA; in Pokémon: The First Movie (at least its Western dubs) they simply chose to make him stronger.
  • Saints Row: The Third: The Syndicate's muscle mooks, the "Brutes", are heavily dumbed-down and hyper-weaponized clones of ex-KGB agent Oleg Kirrlov. His contribution to their development wasn't exactly voluntary, and after being liberated he helps the Saints bring down the Syndicate.
  • Utawarerumono: Mask of Truth: Anju, the Imperial Princess, turns out to be a heavily altered clone of Chii, a human girl who lived before humanity was wiped out. While we don't see what Chii actually looked like, it's a pretty good bet she didn't have the animal ears and tail common to the people in Utawarerumono, not to mention Super-Strength, super stamina, or poison resistance.
  • Most Nytos from Girls' Frontline are cybernetically engineered human clones who have cybernetic cores to interface with digital networks like T-Dolls.

  • El Goonish Shive: When used to remove curses from someone, the Dewitchery Diamond creates a duplicate of that person's cursed form, which has all the original's memories up to the moment of divergence, but its own mind and soul thereafter.
  • In Genocide Man Fumiaki made some "improvements" to his clone-son Kenshiro's genome, better looks, no astigmatism, replacing his brain with an AI core.
  • In The Petri Dish, Thaddeus Euphemism creates four clones of himself. One of them comes out shorter than the others and another has breasts because he used too much estrogen.

    Western Animation 
  • Beast Wars: Dinobot II was a clone of the original Dinobot, enhanced with half of Rampage's Spark and a Transmetal driver. This made him a powerful and bloodthirsty warrior loyal to Megatron and lacking any of the positive qualities that led the original to defect from him... at least until the original Dinobot's personality asserted itself following Rampage's death.
  • In one episode of Family Guy, Stewie makes clones of himself and Brian and reduces their intelligence to ensure themselves superior. They also suffer a bad case of Clone Degeneration.
  • In one episode of Kim Possible, Drakken decides to perform cloning for his next evil plan. Since Shego refuses to participate, he decides to make clones of Kim instead. In order to make sure the clones aren't heroic, he modifies them to have the reflexes of a king cobra, the strength of a rogue elephant, and the killer instinct of Commodore Puddles.
  • Star Wars: The Bad Batch: The titular characters are a squad of clone troopers who were made with mutations or enhancements that make them superior to ordinary clones and result in each them having different appearances and builds. Most notably the biochips that compel "regs" to follow Order 66 don't work on them. Sixth Ranger and Living Macguffin Omega, a product of the same experiment, is a plain Opposite-Sex Clone of the original Jango with no other apparent modifications, even the Rapid Aging all clones share. Then subverted when it turns out she isn't a product of the same experiment; she's a pure clone of Jango Fett like Boba is, which raises a lot of questions.


Video Example(s):


"Be Afraid, Be Very Afraid"

In a homage to "The Fly", Brain figures out that his cloning experiment went wrong due to an unexpected contamination of Pinky's DNA. Then, when he tries to point this out to Pinky, he freaks when he realizes Pinky is right that they're parents.

How well does it match the trope?

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