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When you have a Crisis Crossover or a Massive Multiplayer Crossover, you'll need something to motivate the heroes into action. While having the Big Bads of the series team up can work, sometimes you want a new, even Greater-Scope Villain. One that requires such a massive team-up of heroism.

And then, why stop there? Why not go the full way and make a new Hero for this crossover? That way you can have a central conflict for the entire story. Plus, since you'll have an original character tied to this story instead of the differing canons of the other series, you'll be able to have more character development for the main character all in all.

The Greater-Scope Villain variety is somewhat more common than the new Hero variety. Crossovers with new Heroes, however, have a tendency to become a series in their own right, a Spin-Off that just happens to have crossover origins.

If a completely original villain is created just for a Crossover, that's a Crossover-Exclusive Villain. Compare and contrast Crossover Villain-in-Chief, where an already established villain somehow becomes the leader of a Villain Team-Up of the crossed-over criminals. No relation to First Installment Wins.


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    Anime & Manga 
  • Fai, Kurogane, and Fei Wang Reed are the only new main characters in Tsubasa -RESERVoir CHRoNiCLE-, the rest being Alternate Universe versions of characters from other CLAMP works, or from ×××HOLiC, a sister manga by all intents and purposes, being the stories simultaneous (as much as the setting allows) and deeply intertwined.
  • Pretty Cure:
    • Ayumi Sakagami, the first movie-only active heroic Pretty Cure, in Pretty Cure All Stars New Stage.
    • Pretty Cure All Stars F features another movie-exclusive Cure with Cure Supreme. She's notable for being the first (and possibly) only unambiguously evil Cure that isn't an Evil Knockoff, having infiltrated Cure Sky's team to find out why the Pretty Cures won't stay dead.
    • The Yes! Pretty Cure 5 movie and Heart Catch Pretty Cure movie both had original Cures, but the ones from Yes! were evil and the one in Heartcatch was just to set up a bit of backstory.
  • As per Word of God, Tohru in Miss Kobayashi's Dragon Maid was created by throwing together whatever characteristics Cool-Kyou Shinsha thought would be cool, unlike the rest of the dragons (who are taken from various mythologies).
  • Gundam Build Fighters indulges in this a lot, since the show's premise is people building customized Gundam models and battling them using an arcade-style machine. The sequel Gundam Build Fighters Try branches out further in this regard, with several characters making models that are wholly original designs that draw inspiration from one or more of the Gundam universes, rather than being built from a specific, preexisting mobile suit. Most prominently, protagonist Sekai Kamiki's Build Burning Gundam was made in the style of Mobile Fighter G Gundam but wasn't based off of one specific Mobile Fighternote ; likewise Wilfred and Shia Kijima have Gundams inspired by Mobile Suit Gundam 00 while their teammate Saga Adou's Gundam The End is a mish-mash of concepts borrowed from about four different sources (G, Wing, 00, and Unicorn).

    Card Games 
  • Yu-Gi-Oh!: The ZEXAL anime only introduced 46 of the 100 Emperor's Key Numbers and the manga, which is a completely different continuity, introduced only 24 new Numbers. The remaining 30 Numbers have been introduced by the OCG long after the anime and manga had already finished.

    Comic Books 
  • The Marvel Versus DC crossover had a new character named Access. As he's co-owned by the two companies, he isn't used very often.
  • The Transformers Collaborative line saw a few transformerized versions of famous vehicles from other companies, as well as an original character named Ectronymous Diamatron (aka Ectotron), a ghost-busting transformer.
  • Specific to The DCU:
  • A well-known Greater-Scope Villain example is the Anti-Monitor from DC's Crisis on Infinite Earths. There were some new heroes as well—Pariah, Harbinger, the Monitor, Alex Luthor, Superboy-Prime, Lady Quark, and Doctor Light—but, with the exception of Doctor Light, they faded quickly after the event ended, only brought up when the writer wished to remind the readers of Crisis. Or in the case of Superboy-Prime, to make a Face–Heel Turn and become a recurring Big Bad in his own right.
  • Onslaught, created for the Onslaught Saga that eventually led to Heroes Reborn.
  • Lampshaded in the anthology Wha... huh?'s Identity Crisis parody — Identity Girl says she was created just because of that one.
  • Kid Kaiju was created for the Monsters Unleashed revival, which began as a crossover event, but continued later as an ongoing title featuring him.
  • Basically every character introduced in Spider-Verse —and there are lots of them— were created specifically for the event, most notably Spider-Gwen.
  • Subverted in Infinity Wars (2018) by Requiem - seemingly a new character created for the series, they are revealed to be Gamora early into the run.
  • Voyager, introduced in the Avengers Family Crossover Avengers: No Surrender as a formerly-forgotten heroine the others all see as one of the "classic" Avengers but actually the Grandmaster's daughter.
  • Ikon the Spaceknight was created for the Annihilators miniseries and is the only member of the titular team who is not a pre-existing character.

    Fan Works 
  • Star Trek: Phoenix: The story tends to skirt around canon Star Trek events instead of directly following or replacing them, and Equestria is entirely absent from events after the opening chapter. Consequently, a large portion of its cast, including all of the Phoenix's crew outside of Sunset and Twilight, consists of original characters.
  • Fantasia Times is a Massive Multiplayer Crossover with characters from numerous different fictional works; however, the lion's share of focus goes to the original characters Andi, Sera, and Scarlett — especially Andi. Even when the canon characters get A Day in the Limelight, they largely defer to Andi when it comes to important decisions.

    Films — Animation 
  • Wreck-It Ralph In an arcade with video games and their respective characters that exist in real life, the title character and friends came from games that were created specifically for this movie.

    Films — Live-Action 

  • SD Gundam The Last World is an Intra-Franchise Crossover of SD Gundam, featuring characters from a good number of its works. It also includes a couple of characters made specifically for this story, including Sen-Pu Ninja Exia, Gundam the Gold, Ryuutei Unicorn, Tri Gunvoy, the Throne Siblings and so on.

    Live-Action TV 
  • Kamen Rider:
    • The lead Rider of Kamen Rider Decade is an original character that serves to cross over elements of the nine series before him, partially by being able to make use of all their powers. His primary enemy, Narutaki, brings random enemies from the crossover elements to combat him. Diend, the second original Rider, serves as a rival who is less concerned with fighting Decade and more with stealing and trolling, but has the ability to send clones of crossover heroes or villains into battle for him. The major enemy group Dai-Shocker later appears, which is basically one or two people who got the smart idea to have all previous enemy groups in the Kamen Rider series stop fooling around and join forces.
    • The Grand Finale Movie is a bit more open about this: Wataru Kurenai, the original universe Kamen Rider Kiva, tells the cast that Decade exists solely to be whatever the Rider worlds need him to be: hero or villain, savior or destroyer. He has no home and no story of his own, and therefore after he presses the Reset Button through Suicide by Cop, there's supposedly no way to bring him back.
    • Ayakashi Rakider Chinomanako Diend Form is this in Kamen Rider Decade's Intercontinuity Crossover with Samurai Sentai Shinkenger. A monster of Shinkenger's world with powers stolen from Kamen Rider Diend, with the Diend Driver in its possession.
    • The Kamen Rider franchise's Movie Wars films, which bring together the current and previous Rider casts, tend to make use of these. The most unusual examples come from Kamen Rider × Kamen Rider Wizard & Fourze: Movie War Ultimatum, which introduces modernized versions of several Shotaro Ishinomori characters including Inazuman (as Kamen Rider Fourze's student), Bishoujo Kamen Poitrine (as the Donut shop owner's "inner self" from Kamen Rider Wizard), and the Akumaizer 3 (the film's Big Bads).

    Puppet Shows 
  • Walter from The Muppets (2011) is a Muppet made for this movie. He is an interesting case as he was created for a single franchise (albeit jumping The Muppet Show continuity to the silver screen), rather than a crossover.

  • Super Magic Wars V: The Magical Girls/Warriors anointed by a mascot named Kuma and his counterpart Astra, which fight the Void Beasts, monsters seemingly made of rotting flesh with an appetite for magic and other related energies.


  • Twice Charmed gives Lady Tremaine a Wicked Fairy Godfather who helps her plan revenge on Cinderella.

    Video Games 
  • The Super Smash Bros. series has a few:
    • Master Hand and Crazy Hand, most of the bosses, and the Fighting Polygons/Wire Frames/Alloys. Also of note, Master Hand crossed over into the Kirby games and gives Kirby his Smash Bros. Move set when copied.
    • While Giga Bowser is still technically Bowser, this extra-bestial form is unique to the Super Smash Bros. games, to the point where his series icon in Melee is the Smash Bros. insignianote  and his spirit in Ultimate is listed under the Smash Bros. series while all the other Bowser spirits are labeled under the Mario series.
    • Super Smash Bros. Brawl: The story mode includes several examples of this:
      • The antagonists primarily consist of the all-original Subspace Army with its leader Tabuu. Notably, most of the playable characters are still entirely crossovers. (Although some receive traits unique to Smash Bros, like Mr. Game & Watch, who does not exist in his games. Instead, he is a Composite Character of all the Game & Watch handheld games. He is also the source of the aforementioned Subspace Army.)
      • The Subspace Emissary also has the Ancient Minister, who's actually a subversion. He's really R.O.B. And then double subverted, as R.O.B.'s characterization is unique for Smash.
      • Two other bosses from the Subspace Emissary, Galleom and Duon, are entirely original, although Duon's design at least was clearly inspired by Dialga and Palkia from Pokémon Diamond and Pearl.
    • While the Mii Fighters are based off the Miis, they are considered original to Smash and thus use the Smash icon as their series logo, compared to stages and music from various Mii games which use the Mii logo instead.
    • The fourth installment introduces Master Core, the final Boss of the game's single player mode, which is spawned from Master Hand.
    • Super Smash Bros. Ultimate has an Adventure Mode, "World of Light", with a new antagonist, Galeem, being the main threat. Later on, another enemy, Dharkon, appears as The Rival to Galeem, forming a Big Bad Ensemble.
  • Tales Series has the crossover series Tales of the World: Narikiri Dungeon. The first crossover game, Narikiri Dungeon 2 on the Game Boy Color, had Mel and Dio, an entirely too cute matched set of silver-haired chibis with the ability to dress up as classes or monsters. When the series made the jump to the GBA, the new protagonists were given the ability to assume generic classes... or to go the whole way and become the other characters they were fighting alongside. These also included villains, spirits, and cameos like Wada Don and Mr. Driller. Oddly, Pac-Man has not been a costume yet.
    • And with the Tales of the World: Radiant Mythology series, the three Kanonnos and the three flying creatures (Mormo, Paneer, and Rockspring), among other original characters.
  • Marvel Comics games tend to include these. Not counting Marvel vs. Capcom examples, listed above:
    • Marvel Nemesis: Rise of the Imperfects has half the cast as originals, the title Imperfects, who were also intended to become Canon Immigrants. They didn't work out so well.
    • In a more successful example, Marvel: Contest of Champions has Guillotine (who ended up becoming a Canon Immigrant) and Morningstar.
    • Marvel Ultimate Alliance 2 follows the rough plot of Civil War but eventually split offs into an original storyline when the nanites go rogue, creating a new villainous, viral Hive Mind intelligence known as the Fold. An evil cyborg Nick Fury being the closest thing the infection has for a figurehead effectively means they're more of an Original Generation concept.
    • For Captain America's 75th anniversary, all of Marvel's mobile titles debuted new alternate-universe versions of Cap. Two of the more notable ones were in Marvel Puzzle Quest, where Steve was assassinated and Peggy Carter became Captain America in his place; and Marvel Future Fight, where Steve never became a Fish out of Temporal Water and got to settle down with Peggy, and their daughter Sharon took up the mantle. Puzzle Quest's "Captain Carter" became popular enough to become a Canon Immigrant, appearing in both the comics and the Marvel Cinematic Universe.
    • Future Fight later debuted more original heroes; Luna Snow, a K-Pop Idol Singer with ice powers; Crescent, a martial artist Kid Hero who can summon a spirit bear named Io; and the Warriors of the Sky — Blue Dragon, War Tiger, Shadow Shell, and Sun Bird — a Multinational Team (specifically from various Asian countries) themed around The Four Gods.
    • Marvel Strike Force has Kestrel, a founder of S.T.R.I.K.E. who had gotten lost in the multiverse before finally making her way home and joining the rest of the heroes; Deathpool, the daughter of Deadpool and Death; and Spider-Weaver, a spider-themed Najavo mystic.
    • Midnight Suns features a new hero called the Hunter, a Hunter of Monsters and child of the demon Lilith. They're a way to involve Character Customization in what would otherwise be a team of pre-established Avengers.
  • Mortal Kombat vs. DC Universe has Dark Kahn, a Greater-Scope Villain who could only be created due to the crossover, being the result of Darkseid and Shao Kahn being struck down by Superman and Raiden respectively as they were going to escape into dimensional portals while the universes were separate. All this happening at the exact same spot in time and space, thus merging them and the two universes.
  • Dengeki Gakuen RPG: Cross of Venus has a rare case of an unnamed original protagonist (and his (named) classmate), tying the various light novel series taken from the Dengeki magazine (including Shakugan no Shana, Bludgeoning Angel Dokurochan, Toradora!, Kino's Journey, A Certain Magical Index and Haruka Nogizaka's Secret among others) by forming a rag-tag party with their heroines in order to battle the Big Bad's Canon Defilement.
  • Ruru and Nowel from Magical Battle Arena, a doujin 3D battle game featuring the Magical Girls and female mages from Lyrical Nanoha, Cardcaptor Sakura, Slayers, and Magical Circle Guru-Guru. Kirara and Sarara are somewhere in between, coming from Magical Girl Kirara And Sarara, an H-game that's related to this.
  • The Nicktoons Unite! series has the Wise Old Crab as a rare case of a supporting original character (all of the playable characters are crossovers) and the Mawgu and Globulous Maximus as Big Bads (the other villains in the series are crossovers).
  • Takumi and Haruna of the Shin'i Organization and villainess Kuu in Battle Moon Wars.
  • The DS version of Mario and Sonic at the Olympic Winter Games has the Snow Spirits as a rare case of MacGuffin original characters. No such things are present in the Wii version.
  • .hack//Link features characters from many previous entries in the series (Kite, Pi, Haseo, Midori, Albreio and so on) due to the fact that this is a 3rd version of the The World. The main character and villains however are entirely new.
  • SD Gundam G Generation has a variety of original units which are Mobile Suit Variations (Prototypes which are handwaved to not exist in the anime). But the most prominent one is the Phoenix series of mobile suits which the Phoenix Gundam is said to be the strongest Gundam even in comparison to ∀ Gundam. Along with that is a set of original pilots which either is just meant to be filler or is part of a side story plot.
    • G Generation Wars play with this trope. You won't even aware of its existence until you unlock an EX mission, and it only appear in last two missions. Yet it turn out that events in the game was controlled by Generation System super computer.
    • And the Gundam Vs Series gives us the two Extreme Gundams, the pilot of one of which is voiced by GACKT.
  • Dissidia Final Fantasy has Cosmos as the Big Good and the guiding force driving the heroes to defeat Chaos. Chaos himself sorta counts as this too, as he's from Final Fantasy originally, but has been reinvented to the point the only real similarities between his original incarnation and his Dissidia incarnation is their physical appearances and name. The Final Fantasy I Chaos was a generic demon One-Winged Angel transformation for Garland—Dissidia's Chaos is a Physical God and the Greater-Scope Villain to all previous Big Bads. Note that it's still implied that he is in fact the Chaos from Final Fantasy seeing as rigorous time-and-dimension travel is explained to come into play through the reports in 012. Garland says that he and Chaos are the same thing in a cutsceen anyway. Despite Garland being The Dragon to Chaos in this game.
    • The Warrior of Light from Dissidia and other Final Fantasy crossovers, who represents the original Final Fantasy I, is based on the main Fighter class from the original Final Fantasy. Much like Chaos, the Warrior was reinvented so heavily he's a new character with the original name.
  • While he's arguably an Expy of St. Germain, newcomer Aeon is responsible for the events of Castlevania: Judgment.
  • The Mario Golf and Mario Tennis series included original characters in the Nintendo 64 version of Mario Golf, the Game Boy Color versions of Mario Golf and Mario Tennis, and Mario Golf: Advance Tour and Mario Tennis: Power Tour on Game Boy Advance. This allows players to have a decent selection of characters to choose between in the former, and enough rivals, opponents, as well as as Playable OC Stand Ins in the latter four. Both GBC games can transfer their playable characters and their stats to their respective N64 versions, and the GBA and GC golf games follow in their footsteps.
  • The Compati Hero Series, a Banpresto video game series which crossed Super-Deformed versions of Ultraman, Kamen Rider and Gundam, introduced a fourth hero in The Great Battle action game series called Fighter Roar. Roar is not a hero from any previous franchise, but a new character meant to represent Banpresto.
  • The Parodius games have always had a greater or lesser number of Konami charaters in their player character roster. In the initial games the only character unique to the series was the octopus known as Takosuke in later games, but from Gokujou Parodius onward the number of original characters, not counting Expys and Palette Swaps, grew steadily larger.
  • Rockman Xover, an iOS social game developed to commemorate the 25th anniversary of the Rockman franchise, centers around a new Rockman named Over-1 who must rescue the other seven Rockman heroes.
  • Sonic & All-Stars Racing Transformed has a small example, one of the secret characters is a living Dreamcast VMU that morphs into vehicles from Sega's games.
  • Disney Princess: Enchanted Journey has the heroine, the pixie, the Bogs, and the Big Bad, Zara.
  • Persona:
  • Dynasty Warriors and its offshoots:
  • Fighters Megamix has Deku the anthropomorphic Mexican jumping bean(!), Sibe, URA Bahn, a fighting chunk of meat on the bone, and the AM2 palm tree amidst its roster of characters hailing from Virtua Fighter, Fighting Vipers, Sonic the Fighters, Virtua Cop, Rent A Hero, and even Daytona USA.
  • JoJo's Bizarre Adventure: The 7th Stand User has several, including the protagonist and an all-new group of antagonistic Stand users known as the Slaves To Fate. Additionally, the game includes a secondary route starting where the protagonist is attacked by J. Geil instead of Abdul and reunites at the fight against Judgment. This route features a cast of all-new characters, with the exception of Hol Horse, as well as Stroheim and Speedwagon if you managed to find them earlier.
  • The one unifying character throughout the entire Dark Parables series is the Fairy Tale Detective, the player character, who must interact with the legendary characters of classic fairy tales and help them fix whatever is preventing them from reaching their Happily Ever After. There are also a handful of original characters among the fairy tale cast, but these are usually connected to the traditional stories in one way or another.
  • Yo-Kai Watch mainly uses actual Japanese youkai, however many are original characters. This is most obvious in the third game, where many of the "American yokai" are influenced by other material or are based on Eagle Land stereotypes.
  • The crossover game LEGO Dimensions gives us Lord Vortech, whose goal is to smash together the various LEGO universes to create his vision of a "perfect" world. We also get his former assistant X-PO and their homeworld Vorton, which contains portals to all the licensed universes.
    • There's also "Gamer Kid" who is original to the game's Midway Arcade world.
    • The game also features several alternate rebuild versions of existing fictional tools, weapons and vehicles such as the Laser-Pulse TARDIS and Proton Zapper (rebuilt from the Ghostbusters' Ghost Trap) that make use of the fact they are built from LEGO and thus can have their structures rearranged.
  • Heroes of the Storm makes up entirely new characters as heroes to represent fan-favourite units from Blizzard's real-time strategy franchises. As of late 2018, they also started adding "Nexus-born" heroes that are Original Generation for Blizzard as a whole, the two which were added to the hero roster being Orphea and Qhira.
  • Fire Emblem Heroes gives us Alfonse and Sharena on the heroes' side, as well as a new incarnation of Legacy Character Anna. On the villains' side, we have Veronica (who was even voted to have a Brave Hero variation), the Mysterious Man (real name Bruno), and a mysterious woman -a Goddess- named Loki. Book II introduces the Ice Kingdom Nifl, featuring Fjorm, Gunnthrá, Yglr, and Hríd as allies, and the Fire Kingdom of Múspell, featuring Surtr, Laegjam, and Laevatein as its royalty, as well as Helbindi and the aforementioned Loki, as the antagonists. Before the end of Book II, all of them became playable in various intervals. Likewise, Book III introduces Eir (who is a new playable Mythical hero), and her adoptive mother Hel as the royals of the Realm of The Dead, and Lif (a Bad Future version of Alfonse who lost his Sharena) and Thrasir (a similar version of Veronica) as her generals (which eventually became Mythical Heroes). In Xenologue 5 (set between Books III and IV), Loki's fellow goddess, Thórr, is introduced as the Goddess of War and a prominent antagonist in modes such as Røkrr Sieges, Hall of Forms and Mjölnir's Strike, before becoming a Mythic Hero at the end of Book V. Book IV then introduces Peony, the Ljósálfar as its first Mythic Hero, her fellow Ljósálfar Mirabilis, and Freyr, Queen of Ljósálfheimr as allies; and Plumeria, Tiandra and Freja, Queen of the Dökkálfheimr as antagonists. Book V sees the apperances of Reginn, princess of Niðavellir as the respective first Mythic Hero, her stepbrothers Fafnir and Otr as initial antagonists, and Eitri as the true antagonist; as well as princesses Dagr and Nott as initial antagonists and later Mythical Heroes. Between Books V and VI, Nifl and Múspell, deities from their eponymus kingdoms, are properly introduced as new Heroes. And now, Book VI welcomes Ash, retainer of Askr as the first Mythic Hero; and leader of the Curse Directive Letzia from the royal family of Embla and Elm, retainer of Goddess Embla as antagonists. As with Nifl and Múspell, deities Askr and Embla from their respective kingdoms became Mythical Heroes before the end of Book VI.
  • World of Final Fantasy has new heroes Lann and Reynn, cute animal sidekick Tama, mysterious deity Enna Kros, and villains the Bahamutian Federation interacting with classic characters, monsters and settings from across the Final Fantasy series.
  • Mario + Rabbids Kingdom Battle has Beep-O, the avatar of the Supa-Merge headset, which is fused to a Rabbid (whom Bowser Jr. names "Spawny").
  • Tokyo Mirage Sessions ♯FE has EVERYONE who isn't a Mirage be original to the game. Even the shopkeeper who only looks a lot like Anna but isn't really her.
  • In Sailor Moon: Another Story, the sailors are up against the first three seasons of bad guys. The enemies are being resurrected by the Opposito Senshi, dark counterparts to the Inner Team, and their queen Apsu.
  • Kirara Fantasia introduces several original generation characters to assist the Manga Time Kirara heroines, most prominently the witch Kirara. All of the playable characters remain Kirara imports, though.
  • The console and Nintendo DS versions of Power Rangers: Super Legends both feature a character created for the game who never appeared in any of the Power Rangers shows. The character exclusive to the console version is the Future Omega Ranger, while the character exclusive to the DS version is the Guardian of the Hall of Legends.
  • Final Fantasy XI's final expansion Rhapsodies of Vana'diel is instigated by the arrival of Iroha, a sorceress claiming to be the Player Character's apprentice from a doomed timeline. She and the player then avert the apocalypse in a story that has cameos from nearly every other major character.
  • The majority of the teams in Mutant Football League are thorough parodies of real NFL teams, from their cities to their colors to their rosters, like the Scarolina Panzers/Carolina Panthers or Killadelphia Evils/Philadelphia Eagles. A handful, however, are completely original, namely the agile playmaking all-alien Galaxy Chaos, pass-happy all-robot Tokyo Terminators, the brutal (very nearly) all-orc Orcs of Hazzard, and the best team in the game, the Full Metal Mayhem.
  • Funko Pop! Blitz is primarily a crossover game due to the nature of the line it is based on, but there are a few cases of original franchises characters:
    • Freddy Funko is the mascot of the Funko company. He is given multiple variants as additions in the game, and is also the tutorial character.
    • The Fantastik Plastik characters are pre-Pop Funko characters that were given Pop designs.
    • The Wetmore Forest characters are part of the unique Funko Pop! Monsters subline.
    • The Pets are part of the unique Funko Pop! Pets subline.
    • The Peppermint Lane characters are from Funko's original line of Christmas Pops.
    • The Pop! Around the World series is from a Funko-exclusive brand of characters.
  • While Crash Team Racing Nitro-Fueled pools the vast majority of its roster from the greater Crash Bandicoot series, the Grand Prix events also add baby versions of Crash and Coco, and the brand-new King Chicken and Hasty (who is based on an old misconception regarding a "scrapped" Team Racing character).
  • Call of Duty: Mobile crosses over different characters from the franchise, particularly Modern Warfare Trilogy and the Black Ops series. However, there are also new characters created exclusively for the game, as well as changes of backstory to the older characters to fit the game's narrative.
  • Namco High: All of the romanceable characters are Namco (and Homestuck) property, with one exception: Cousin, the player character. In-universe, they are one of the cousins of the Prince from Katamari Damacy. They do not exist in the Katamari games and were created purely for the crossover.
  • Friday the 13th: The Game had Temporary Online Content based on a concept by Tom Savini: what if Jason Voorhess Escaped from Hell after going there instead of being revived by Freddy Krueger? Also, since Jason's mask never came off in Jason's Dead or when he was in Uber-Jason form, the game designed unmasked looks for those versions.
    • Similarly, Evil Dead: The Game had a skin designed by Savini for Ash Williams based on the idea of Ash, instead of winding up in the Middle Ages, being transported to the dimension where evil itself came from, being physically warped by the corruption there.
  • Warner Bros.' crossover platform fighter MultiVersus has Reindog, a Mix-and-Match Critter that was a royal guard for a kingdom destroyed by The Nothing during its initial expansion into the WB Multiverse.
  • Almost all the racers in Walt Disney World Quest: Magical Racing Tour. Disney only allowed the developers to use Chip 'n Dale and Jiminy Cricket, forcing the developers to fill out the roster with ten new characters inspired by the park's attractions.
  • To represent Tetris, Puyo Puyo Tetris introduced the crew of the S.S. Tetra, its members based on the seven Tetriminos. There's also Ex, who represents the crossover of both franchises yet is tied closely to the Tetris representatives in backstory. The sequel introduced Marle and Squares, both of whom share design aesthetics of the Falling Blocks of both series.
  • Gundam: The Battle Master zigs-zags this, as while all of the mobile suits are ripped directly from the many anime series released up to the game's release, the pilots are all original characters co-existing in a pocket timeline not connected to any pre-established Gundam lore, such as the orphan bounty hunter Honey-B (pilots the ZZ Gundam), the no-nonsense federation officer Mercury Promenade (pilots the Zeta Gundam or RX-78), or the Ryu-parody Keiji Date (pilots the Hamma-Hamma or Nu Gundam). It's completely played straight with the Psycho Gundam Mk-III, which has yet to make a reappearance in any other Gundam media, made even more awkward as her pilot is the scorned woman Maria Nichols, who hijacked the Mobile Suit out of revenge. Needless to say, when The Battle Master 2 was brought over to the west as Battle Assault, they had to jump through a lot of hoops to justify its existence there, as all of the original cast members were scrapped in favor of using the official anime characters.
  • The Japanese-exclusive Tatsunoko Fight crosses over four of Tatsunoko Production's properties (Science Ninja Team Gatchaman, Neo Human Casshern, Tekkaman, and Hurricane Polymar), as well an original property dubbed Denkou Senka Volter that hadn't existed before or after the game's release. There's also the main antagonist of Rosraisen, who isn't a part of Volter despite this fact.

    Western Animation