The CHUNITHM series has a great number of unique characters, a new one being applied to most new original songs. Additionally, the band Irodori Midori (essentially SEGA's equivalent to HinaBitter) appears regularly.
Characters are listed in the order of their introduction. Kotonoha Project characters and characters that are attached to non-Original genre songs do not appear.
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Irodori Midori members
Serina Akesaka (明坂芹菜)
Aliciana Ogata (御形 アリシアナ)
- But Not Too Foreign: Her name marks her out as only half-Japanese, along with Phenotype Stereotype below.
- Cosplay: As Eirin Yagokoro and Komachi Onozuka.
- Gorgeous Gaijin: Official artworks really do like to show off the breasts of this foreigner.
- Phenotype Stereotype: You can tell she's partially Western because she's blonde-haired, blue-eyed, tall, and stacked.
Nazuna Ten'ouzu (天王洲 なずな)
Nagi Kobotoke (小仏凪)
Naru Hakobe (箱部なる)
- Cosplay: As Cirno. Incidentally, Naru is the only one of the original 5 not to have cosplayed as multiple Touhou characters.
Naki Tsukisuzu (月鈴那知)
Shirona Tsukisuzu (月鈴白奈)
Introduced in CHUNITHM
Chuni Penguin (チュウニペンギン)
- Associated music: "ドライヴ・オン・ザ・レインボー"
- A Day in the Limelight: In CHUNITHM AIR PLUS, he finally got a song with him as the primary character.
- Series Mascot: Of CHUNITHM as a whole.
Shizuma Kurosaki (シズマ・クロサキ)
- Associated music: "Theme of SeelischTact"
- BFS: Always seems to be wielding a sword about as tall as him.
Norn (ノルン)
- Associated music: "Counselor"
- Really 700 Years Old: Her age is listed as "looks 14", which implies this is in effect.
Magical Star ☆ Lily (マジカルスター☆リリィ)
- Associated music: "My First Phone"
- Magical Girl: Dreams of becoming one. If she succeeded, it would be a case of Magicians Are Wizards.
- Stage Magician: At only 14.
G.O.D. (Genesis Of Destiny) (ジェネシス・オブ・デスティニー)
- Associated music: "Gate of Fate", "Gate of Doom"
- Big Red Devil: Takes on this appearance much more closely in the artwork for "Gate of Doom".
- Names to Run Away from Really Fast: As if a character called God weren't scary enough.
- Physical God: Described as a "god of purgatory".
- Red and Black and Evil All Over: Covered in red and black.
- Rock Me, Asmodeus!: This devilish figure accompanies heavy metal music in both of its appearances so far.
Machine God Thor (機神トール)
- Associated music: "怒槌"
- Carry a Big Stick: Wields a colossal hammer, befitting his namesake.
Astraea (アストライア)
- Associated music: "エンドマークに希望と涙を添えて", "スピカの天秤"
- Physical Goddess: She's based on the figure of the same name in Greek mythology.
- Scales of Justice: Is seen bearing these.
- Stealth Pun: The Astraea of Greek myth, like her mother Themis, is seen as a personification of justice. In game, using Astraea forcibly ends your game if you get a certain number of non-JUSTICE judgments.
Introduced in CHUNITHM PLUS
Pendulum Oruta (ペンデュラム・オルタ) and Pendulum Raize (ペンデュラム・ライゼ)
- Associated music: "MUSIC PЯAYER"
- Vapor Wear: Pendulum Raize's top is a special case in that there is not only clearly no bra, there is nothing keeping it up at all except the sheer force of will.
Gemini α (ジェミニ・α) and Gemini Ω (ジェミニ・Ω)
- Associated music: "GEMINI -C-"
- Crossover: Subjects of a crossover between CHUNITHM and maimai, with the latter receiving the counterpart song "GEMINI -M-".
RG-XIII Dainsleif (RG-XIII ダインスレイヴ)
- Associated music: "Contrapasso -inferno-"
Introduced in CHUNITHM AIR
Aoi Nanami (七海 あおい)
- Associated music: "その群青が愛しかったようだった"
- Toast of Tardiness: Seen with this in her artwork.
Lion Todoroki (轟 雷音)
- Associated music: "ケモノガル"
- One-Steve Limit: No relation to Ami Todoroki.
Uta Hoshikawa (星河うた)
- Associated music: "後夜祭"
Ami Todoroki (轟 亜美)
- Associated music: "明るい未来"
- One-Steve Limit: No relation to Lion Todoroki.
Meme Soramochi (ソラマチ・メメ)
- Associated music: "ロボットプラネットユートピア"
- Mundane Utility: They made a humanoid robot with a personality and feelings... and put her on cleaning duty.
Milk (みるく) and Shama (しゃま)
- Associated music: "Oshama Scramble! (Cranky Remix)"
- A-Cup Angst: Milk wants to grow taller, and more importantly, curvier and bustier, to be like Shama. Her apparent solution to this is to drink masses of milk.
- Cat Girl: Both of them.
- Crossover: From maimai, where they appeared in the original Oshama Scramble!'s video.
Kid A (少年A)
- Associated music: "ウソラセラ"
- Institutional Apparel: Wearing the prisoner's stereotypical black/white stripes, cap, and ball and chain.
- Little Bit Beastly: Fox ears and tail.
Lilyalice Colchicum (リリアリス・コルチカム)
- Associated music: "玩具狂奏曲 -終焉-"
- Creepy Doll: Well, less "doll" and more "demonic-looking amalgamation of doll parts".
Introduced in CHUNITHM AIR PLUS
Hoshito Maizono (舞園 星斗)
- Associated music: "RevolutionGame"
- Wholesome Crossdresser: Multiple artworks show him to be this.
Destroyer God of Extinction (断絶の破壊神)
- Associated music: "Devastating Blaster"
- Attack of the 50-Foot Whatever: 108 metres tall from top to bottom.
- Destroyer Deity: It's in the name.
- Everyone Calls Him "Barkeep": "Destroyer God of Extinction" is the name that humans gave to it, and not its actual name.
- Flying Face: The form it appears in.
- Names to Run Away from Really Fast: Or maybe you want to hug the thing called "Destroyer God of Extinction"?
- Physical God: Again, in the name.
- Skull for a Head: Its head (entire body) has a skull-like appearance.
RG-XXX Tiamat (RG-XXX ティアマット)
- Associated music: "TiamaT:F minor"
- Dragons Are Demonic: Takes the name from the DnD "mother of all evil dragons".
- Greater-Scope Villain: May be this for the franchise as a whole.
- My Death Is Just the Beginning: Tiamat's power continues to influence the Metaverse long after defeat.
- Villainous Legacy: Multiple evil characters are identified as "Vessels of Chaos", created from Tiamat's remnants.
Omega Quintus (オメガ・クィントゥス)
- Associated music: "混沌を越えし我らが神聖なる調律主を讃えよ"
- The Maker: A creator god who controls the entire universe.
Takenobu Mitsuyoshi (光吉猛修)
- Cosplay: As Tuxedo Mask and Rinnosuke Morichika.
-
Descended Creator: The composer of several SEGA works, and even some for CHUNITHM, appears as a character.
Introduced in CHUNITHM STAR
Trismegistus (トリスメギストス)
- Associated music: "トリスメギストス"
- Walking Shirtless Scene: In his regular artwork.
Folneus (フォルネウス)
- Associated music: "PinqPiq"
- Bizarre Instrument: A triple-barrelled saxophone.
Ai Kiyotaki (清瀧 藍)
- Associated music: "立川浄穢捕物帳"
- Modesty Shorts: Wears these under her skirt.
- Sword and Gun: In her regular artwork.
Asher (アシェル) and Simeon (シメオン)
- Associated music: "Xevel"
- Crossover: Are the subject of one, as their song "Xevel" was released part of the "Tenkaichi otogesai" cross-series event, which sees art of them appear in Groove Coaster and SOUND VOLTEX.
Luf (ルフ)
- Associated music: "Caliburne ～Story of the Legendary sword～"
Introduced in CHUNITHM STAR PLUS
Pendera (ペンデラ)
- Associated music: "popcorn"
- Civilized Animal: Patrol police penguin.
Mimi (ミミ)
- Associated music: "Pastel Party"
- Civilized Animal: A postal worker owl.
Shirota (シロタ)
- Associated music: "はちみつアドベンチャー"
- Civilized Animal: A polar bear who runs a supermarket.
Gomane (ゴマネ)
- Associated music: "CHOCOLATE BOMB!!!!"
- Civilized Animal: A seal who runs an antique shop.
Panta Panta (パンタパンタ)
- Associated music: "Twilight", "まごころのカスクルゥト"
- Civilized Animal: A baker panda.
- Pun: The Japanese word for bread (what he bakes) is pan. He's a panda.
Eris Nemesis (エリスネメシス)
- Associated music: "Surveiller et punir"
- Villainous Legacy: One of Tiamat's "Vessels of Chaos".
NAOKI
- Associated music: "otorii INNOVATED -[i]3-"
- Descended Creator: Naoki Maeda, formerly lead music producer in DanceDanceRevolution and CROSS×BEATS, turns character here.
- Pun: An update poster featuring him
features the phrase "ATTACK ALL JUSTICE!!", which is several layers of puns wrapped up together. First, it's a reference to "ATTACK! PERFECT FULL COMBO", a warning phrase in DDR that shows up on an Encore Extra Stage if the condition is to get a Perfect Full Combo on the song, with any judge rank below Perfect immediately causing a Game Over; here, the CHUNITHM equivalent of a PFC, "All Justice", is used. Second, "Attack" is a judge rank in this game, being the one immediately below "Justice". - Shout-Out: Each and every single one of the appearances of NAOKI references something in the BEMANI series in all sorts of ways.
- Default appearance:
- The pose of NAOKI references his pose in the artwork for "Ignition∞Break" from REFLEC BEAT.
- Be For You:
- The name is a dual reference to NAOKI's song "B4U", from DDR 4th Mix, and BeForU, an idol group formed by KONAMI to appear in DDR, who provided vocals for several NAOKI songs.
- NAOKI's pose is a reference to the beatmania IIDX song, "Flash Back 90s".
- The associated Skill is called "COME ON '98!!". This references the year that DDR debuted (1998), and also the NAOKI song "1998".
- The Skill greatly increases gauge for every 180 combo; this is a reference to "PARANOiA", NAOKI's first KONAMI Original song, for which he used the alias 180 (as the song went at 180 BPM).
- SEQUENCE UNLIMITED:
- The name references "NM SEQUENCE UNLIMITED", which is an alias by which NAOKI was referred on some DDR original soundtracks.
- The Skill name, "DIRTY FIRE" is a dual reference to "PARANOiA MAX ~DIRTY MIX~", and the REFLEC BEAT song "UNLIMITED FIRE". NAOKI's pose also references UNLIMITED FIRE.
- The Skill increases gauge boosts by 190%; the speed of "PARANOiA MAX ~DIRTY MIX~" is 190 BPM. This Skill fails automatically if the player misses too many times; DDR was one of if not the first music game to have a "auto-fail if gauge drops to zero" type pass/fail system, as opposed to the "build gauge up to a certain level by the end" system such as in beatmania.
- MAXX:
- The name references the "MAX" series, particularly "MAXX UNLIMITED" and "Fascination MAXX".
- NAOKI's pose is based on the figure in the art of "THE FALLEN" from REFLEC BEAT.
- The name of the Skill is "Ω", the alias NAOKI used for the infamous "MAX 300".
- The Skill occasionally increases gauge boosts by 300%, rising to 320% after being levelled up; this is a reference to the speeds of "MAX 300" (300 BPM) and "MAXX UNLIMITED" (320 BPM). However, it has an extremely harsh condition which fails after 4 misses; this is a reference to the DDR "LIFE4" alternative gauge system.
- NMR:
- The name, NMR, is another alias previously used by NAOKI.
- NAOKI's appearance is once again a reference to a REFLEC BEAT song: "VALLIS-NERIA".
- The Skill name, Supernova (スーパーノヴァ), is a clear reference to DanceDanceRevolution SuperNOVA.
- The Skill causes GAUGE growth to accelerate from 100% to 200% to 400%. This is a reference to "Fascination MAXX"'s speed and the alias used for it (100-200-400 for both). The Skill also causes the player to auto-fail after 18 misses - 18 is the difficulty level (out of 20) of "Fascination MAXX"'s CHALLENGE chart.
- Default appearance:
CHUNITHM Cabinet (CHUNITHM筐体), maimai Cabinet (maimai筐体), and O.N.G.E.K.I. Cabinet (オンゲキ筐体)
- Crossover: Naturally, between the three series.
- Joke Character: They're literally just cabinets of the game in question, and their skill (increasing ALL JUSTICE bonus) is rather weak... unless you get to a high enough level where you get ALL JUSTICE on a regular basis.
Introduced in CHUNITHM AMAZON
Momoko Arai (新井 桃子)
- Associated music: "足立オウフwwww"
- Idol Singer: Former net idol, she left the business in unknown circumstances and withdrew from the real world.
Nerune (ネルネ) and Tsurune (ツムネ)
- Associated music: "Seagull"
- Civilized Animal: A frog and snail weather forecaster team.
- Frog Men: Nerune.
- Weather Report: What they deliver.
Shirataki (シラタキ)
- Associated music: "Summer is over"
- Civilized Animal: A fish who is secretary to the president of an entertainment giant.
Areus (アレウス)
- Associated music: "Climax"
- Multi-Armed and Dangerous: Has too many arms to count.
- Physical God: A "War God of Hatred".
- Villainous Legacy: One of Tiamat's "Vessels of Chaos".
Ryuugo Matsumaru (松丸 亮吾)
- Ascended Fanboy: A known CHUNITHM player becomes a character.
Introduced in CHUNITHM AMAZON PLUS
Lila (リラ)
- Associated music: "エンジェデビ"
- Civilized Animal: A highschooler gorilla.
- Sailor Fuku: Being a schoolgirl, she obviously wears this.
Coney (コニー)
- Associated music: "Servant of Love"
- Civilized Animal: A baker red panda.
Verzebuth Nemesis (ヴェルゼビュートネメシス)
- Associated music: "8-EM"
- Villainous Legacy: One of Tiamat's "Vessels of Chaos".
Testament Nemesis (テスタメントネメシス)
- Associated music: "Killing Rhythm"
- Villainous Legacy: One of Tiamat's "Vessels of Chaos".
Ouka Kyougokuin (京極院 桜花)
- Associated music: "ユメキキョウ"
- High-Class Call Girl: Her occupation is "Oiran Diva".
Johnny Siresteen (ジョニー・サイアスティーン)
- Associated music: "GIGA DRIVE"
- No Celebrities Were Harmed: His appearance on the GIGA DRIVE jacket is styled after the appearance of Yngwie Malmsteen on the cover of Fire and Ice.
- Rock Me, Asmodeus!: Is actually a vessel created by G.O.D., and holds powers within his double-necked guitar.
Zeon Fudou (不動 絶音)
- Associated music: "Rebellion"
- Fantastic Fighting Style: Master of "Fudou Ongeki-jutsu", a style combining music with martial arts.
- Shout-Out: His entire backstory reads as a parody of the story of Art of Fighting.
Introduced in CHUNITHM CRYSTAL
Mitsuto Saji (佐治 光人)
- Associated music: "サヴァイバル・キリング・メーカー"
- You Are Number 6: Referred to in-game as "No.13_Saji".
Ninae Saji (佐治 仁苗)
- Associated music: "ツクヨミステップ"
- Brother–Sister Incest: Is outright stated to be attracted to her younger brother.
- You Are Number 6: Referred to in-game as "No.9_Nina".
Patriot (パトリオット)
- Associated music: "Surrogate Life"
- Shout-Out: His backstory is made of shoutouts to Guilty Gear, with Patriot being an Expy of Sol Badguy. Appropriately enough, his associated song is composed by Daisuke Ishiwatari.
Tita Avenias (ティータ・アヴェニアス)
- Associated music: "《混乱》 ～ Muspell"
- Elemental Hair Colors: Red hair to match her elemental alignment.
- Playing with Fire: The Fire Priestess of Sybula.
- Roaring Rampage of Revenge: She lost her whole family and friends over a war between Rusula and Agites. She started a merciless razing spree against the other two nearby countries to repay the favor.
- Sadist: Takes delight in breaking down and corrupting Juna.
Myan Tersuulas (ミァン・テルスウラス)
- Associated music: "《理想》 ～ Cloudland"
- Dishing Out Dirt: The Earth Priestess of Sybula.
- Patron Saint: Deconstructed — she was the saint of the Atelima religion who was worshipped by many in Rusula for her ability to fertilize the farmlands. When Tita starts razing Rusula and everyone was desperate, they kept asking her for solutions even after Tita's army destroyed the cathedral she was in and burnt the capital. It led to her outright breaking and killing everyone of her fellow worshipers.
Cielo Mehve (シエロ・メ―ヴェ)
- Associated music: "《逃避》 ～ The Deserter"
- Blow You Away: The Wind Priestess of Sybula.
- Broken Pedestal: She once looked upon her mother when she was young until they were separated. Unfortunately, years later she finds her being the priestess of a cannibal cult and tricked her into eating her friend Finn.
- The Secret of Long Pork Pies: Was tricked into eating the flesh of her friend by her mother, a person that she once looked upon that turned out to have became a member of a cannibal cult. She does not take this revelation lightly.
Juna Salakia (ジュナ・サラキア)
- Associated music: "《最愛》 ～ Curse"
- Break the Cutie: To an absolutely sadistic degree. She was a pacifist who used her powers for Theokia, but an invasion ordered by Tita razed everything in her capital. She was then held captive and Blackmailed by Tita to kill the fire priestess' enemies to protect her own childhood friend Gustav, only to accidentally kill him. Understandably, she lost her sanity entirely and was reduced to a killing machine who indiscriminately kills friend and foe alike before she dies to a poison dart.
- Elemental Hair Colors: Blue hair to match her elemental alignment.
- Making a Splash: The Water Priestess of Sybula.
Anna Margrethe (アンナ・マルグレーテ)
- Associated music: "《運命》 ～ Ray of Hope"
- Patron Saint: Created as a saint for the hopes of humanity. She has no actual powers, and no one asked her whether she appreciates being worshipped.
