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Red Oni Blue Oni: Webcomics
  • Megatokyo has Largo and Piro, Red Oni and Blue Oni respectively. Erika is also the Red Oni to Kimiko's Blue Oni, though they occasionally switch places.
  • Sluggy Freelance has Oasis and Kusari, two gymnastic assassins of mysterious origin with superhuman and probably supernatural powers. Oasis is basically insane as a result of Mind Control gone bad, which involved manipulating her emotional states. She is left impulsive and compulsive about the emotional reactions she was ordered to have before her controller was killed and is often incapable of rational thought. Recently, it's even be discovered that she is pyrokinetic, just adding to her fiery repertoire. Kusari obeys orders unfailingly, possibly also mind-controlled, but is still capable of rational thought and always remains cool. The two look about as identical as they can under their respective outfits considering that Kusari is always masked, but Oasis's most noticeable feature is her fiery red hair, whereas Kusari is always shown in the same bluish-purple outfit. There is speculation that the contrast between the two hides symbolism hinting at their as yet unknown origins.
  • The Continentals: A steampunk murder, mystery, sci-fi, adventure webcomic set in post Jack the Ripper England where Continental Operative Jeffrey Tiffen Smythe is the sophisticated, elegant, intellectual gentleman and his gender bending partner, the adventress Lady Fiona Fiziwigg, is a hot tempered, foul mouthed, do and say as I damned well please malcontnent and proud of it. It's a pairing of mismatched personalities that works surprisingly well as the two investigate a series of brutal "mangling" murders, uncovering a tangled web of intrigue, adventure—and murder!!! Find it here.
  • El Goonish Shive has Tedd and Susan, sort of. In this case, it's more of a personality difference as Tedd is generally upbeat and unobservant while Susan is a Deadpan Snarker. Other characters lean towards both sides, but generally hover in the middle.
    • Another notable example is Susan and Diane. A strange case, because they haven't actually met, but they're actually separated-at-birth identical twins who share a few traits but are generally Different as Night and Day. For bonus points, Susan wears a lot of blue and dyed her hair dark blue, whereas Diane's wardrobe is more red and she has naturally blonde hair.
  • Hanna and Zombie from Hanna Is Not a Boy's Name are a good example: calm, stoic Zombie (Blue) and impulsive, extroverted Hanna (Red).
    • Also works with a Hot-Blooded, uninhibited Casimiro and disciplined, well-mannered Finas. Even their color schemes are red and blue respectively.
    • There's also Doc Worth's Jerkass red to Lamont's nice guy blue. Although it's been shown that if anybody can get Lamont to lose his cool, it's Worth.
  • Krushcor and Beryun from The Gods Of Arr Kelaan, they are respectively the God of Battles and the Goddess of War.
  • Fetch Quest: Saga of the Twelve Artifacts has Saffron Lachesis and her twin Nephilim. No guesses as to who's who.
  • Misfile. Ash and Emily. They even have the correct colored hair.
  • Homestuck:
    • Dave Strider is the Blue Oni to John Egbert's Red Oni, though their associated colors are kind of inverted. (Dave is Red/fire, John is Blue/air.)
      • By the end of Act 5, though, they've pretty much switched places.
    • Karkat Vantas (red) and Jack Noir (blue) also have traces of this during their team-up in Act V, minus color correlationsnote . Karkat is impulsive, loud, and almost always angry at something, while Jack is cool, quiet, and moves with a chilling economy of effort.
    • Karkat, again, plays Red Oni to John's Blue once they start interacting. Their colour correlations match up as well, and Karkat's first conversation (from his perspective) with John is a textbook example - Karkat is a raging, capslocking, furious, hateful mess, while John responds with a cheerily oblivious "hi karkat!".
    • Vriska Serket, a hammy Sociopathic Hero, plays Red Oni to Terezi Pyrope, a Manipulative Bastard master troll.
    • Also, cheerful, perky Jade (Red) to grim, dour Rose (Blue). Rose ends up playing Blue Oni to a lot of people, really; she's just about as blue as it is humanly possible to be.
    • Equius Zahhak, a stoic traditionalist, plays Blue Oni to the Red Oni antics of Nepeta Leijon, a genki roleplayer.
    • Doc Scratch is a calm, smug, gentlemanly chessmaster, while his boss, Lord English, is a brutal, incredibly destructive demon that very much looks the part. Word of God says this was intentional.
    • Sollux Captor, due to his bipolar mood swings, plays this trope with himself. Later he mellows out and starts playing the blue to Karkat's red.
  • Juathuur. Dejoru is dark-haired, calm, and compassionate, with the talent to become a healer. Ratheel is loud, fun-loving, has red hair, and fights by making stuff explode. Partly subverted as Dejoru is capable of releasing an enormous amount of raw energy. Ratheel, on the other hand, is completely useless in each and every fight we see.
  • Xykon and Redcloak from The Order of the Stick. The former is an Faux Affably Evil Omnicidal Maniac who revels in his own Chaotic Evil nature, whereas the latter is a Well-Intentioned Extremist who wants to bring prosperity to his race and whose alliance to Xykon is more a strategical move than anything else.
    • Redcloak's true red oni was his brother Right-Eye, however. Start of Darkness, in which Right-Eye is still alive, repeatedly lampshades it.
    • Haley and Celia also count.
    • Varsuvius could be seen as the blue oni to Elan's red oni.
    • The Order could be seen as three Red Onis (Lovable Rogue Haley, Keet Elan, and Blood Knight Belkar) and three Blue Onis (The Spock Vaarsuvius, The Stoic Durkon, and Straight Man leader Roy).
    • The Lawyers: Phil's red to Mr. Jones' blue. There is something of an inverted lampshade hung on this; Phil wears a blue tie and Mr. Jones wears a red tie.
    • Miko also plays the red to both Roy and Hinjo's blue
    • Girard Draketooth's red to Soon Kim's blue. Heck, Girard's a redhead, and Soon comes from Azure City.
  • Ozy and Millie: Ozy blue (well, grey furred) and Millie red. Helpful that both are foxes.
  • Tower of God:
    • Quant, the Dark-skinned Fiery Redhead with anger management issues and an ego the size of the Tower. He is too proud to ever openly admit a mistake of his and thus comes up with pretexts when it comes to doing the things he secretly wants to. Like staying with Lero-Ro, his longtime fellow Ranker who once climbed the Tower with him. He is reserved, calm, quiet and patient, unless you start bugging him to much. Unlike the rather Book Dumb Quant he spends a lot of time thinking, especially when he notices that something is going wrong on the Second Floor, which he can't ignore due to his righteous nature (Quant is more of the self-righteous kind). He is also rather sophisticated and a passionate collector of gramophones.
    • Koon Agero Agnis and Rak Wraithraiser, Baam's closest friends in the Tower. The former is a scheming, cheating chessmaster with a lot of brains and some trust issues, the latter a a giant bipedal alligator who just wants to fight, plain and simple, which describes his world view and how he stomps through life, though, unlike Koon, he never lies (though he is a bit of a firendship-type Tsundere for Baam). Koon's color scheme is blue, Rak's is red.
  • In Girl Genius, we have the upbeat, charismatic Gil and the dour, calculating Tarvek. An interesting example in that they're both Sparks, both schemers by admission, and both part of a Love Triangle with Agatha.
  • Gunnerkrigg Court has an interesting example, where we were introduced to a red-haired Emotionless Girl (Annie) who befriends an impulsive gung-ho girl (Kat). Mutual Character Development, however, has by now reversed the roles almost completely.
  • Arguably, Sabrina and Zig Zag from Sabrina Online, the former being a somewhat reserved computer/Transformers nut and the latter an outgoing porn star legend.
  • Elf Blood has the KO Twins: SKO is the Blue Oni, being an adherent of law, order, and obedience, whereas TKO is the Red Oni, being the runaway renegade with a passion for freedom. Judging from a photograph taken when they were in school, however, this dichotomy may have been inverted in the past.
  • In Two Guys and Guy, Guy (and occasionally Wayne as well) is the red to Frank's blue.
  • The Wing Antivirus corporation from Electric Wonderland has modest (blue) Nathaniel Wing as software developer and his meglomaniac (red) wife Nina as CEO.
  • Kaustos and Two, Heiwa and Nandin, and others from Universal Compass. Almost every character has a foil because they are based off of emotions.
  • In Next Town Over, John Henry Hunter is a pyrokinetic outlaw with a suave demeanor and a zest for life, while Vane Black is a stoic, melancholic woman who eschews all pleasure and relations in her quest to kill Hunter.
  • In The Silver Eye Enel is the red oni to Apen Shephard's blue oni, with Enel being the more laid-back and emotionally driven one, and Apen being the more serious and emotionally repressive one.
  • 4Komatose stars Ariake Shikima and Kyushu Miyamoto. Their hair, clothing and even speech balloon borders are red and blue, respectively.
  • Many examples in The Word Weary, the most obvious being Grace and her room mate, Gary. This is especially evident after she dyes her hair red while Gary's is bright blue. Grace is angry, cynical and open about it, Gary seems calmer and tries to find the humor in bad situations, noticeably after Gary and his boyfriend break up. Other examples include John and Sam vs. Jason and Yorick, and Elly vs. Harry.
  • Muse, the rather energetic superheroine of Hello Wandering Star is the Red Oni to the Blue Oni of Logo, who believes in the power of meditation.
  • Nina is Red Oni to Deirdre's Blue Oni in Threading.
Visual NovelsRed Oni, Blue OniWeb Original

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