Adrien Athanase Agreste is the deuteragonist of Miraculous: Tales of Ladybug & Cat Noir. He is a student in Miss Bustier's class at Collège Françoise Dupont in Paris, France. He is also a fashion model for his father's brand. With the Cat Miraculous, when it is inhabited by Plagg, Adrien transforms into the black cat-themed superhero Cat Noir ("Chat Noir" in the French version), gaining the power of destruction to stop Hawk Moth and his akumatized villains. He is the second-in-command of the French Miraculous superhero team.

Adrien's bodyguard, nicknamed The Gorilla, is Adrien Agreste's bodyguard and car chauffeur.

An Akuma is a magic butterfly responsible for giving the target superhuman abilities. The use of these butterflies are usually used for good but, they can be used for evil, as demonstrate by Hawkmoth/Shadowmoth, transforming people into supervillains.

Alec Cataldi is a French TV host and a good friend of Nadja Chamack.

Prince Ali is the crowned prince of the Achu Kingdom.

Alim Kubdel is a historian at the Louvre and the father of Alix and Jalil.

Alix Kubdel is a student in Miss Bustier's class at Collège Françoise Dupont.

She is a student in Miss Bustier's class at Collège Françoise Dupont, Marinette Dupain-Cheng's best friend, and Nino Lahiffe's girlfriend. She is also the only admin of the Ladyblog and head of the school blog.

She is the twin sister of Emilie Agreste, mother of Félix Fathom, and aunt of Adrien Agreste.

Anarka Couffaine is the mother of Luka and Juleka Couffaine.

André is an ice cream vendor who lives in Paris. André's ice cream, also known as Sweethearts ice cream, is said to have the magical ability to help people find true love, and couples that share André's ice cream are said to stay in love forever.

André Bourgeois is the mayor of Paris and the owner of Le Grand Paris. He is also the husband of Audrey Bourgeois, the father of Chloé Bourgeois, and the stepfather of Zoé Lee.

Armand D'Argencourt is a fencing and PE teacher at Collège Françoise Dupont.

Audrey Bourgeois is the famous director of the fashion magazine, Style Queen. She is also the wife of André Bourgeois and the mother of Chloé Bourgeois and Zoé Lee by different fathers. She was living in New York, but she is now currently staying in Paris with her family.

August is a baby boy.

Aurore Beauréal is a student in Ms. Mendeleiev's class at Collège Françoise Dupont and a final contestant for KIDZ+ to become the weather forecaster.

Barkk is the kwami of Adoration who is connected to the Dog Miraculous. With her power, Barkk's wearer can use the collar necklace to transform into a dog-themed superhero. Barkk and her miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Robert "Bob" Roth is Jagged Stone's producer and the owner of Bob Roth Records. He is also the father of singer XY.

Jean is an employee at Le Grand Paris.

Miss Caline Bustier is a teacher at Collège Françoise Dupont.

Chloé Bourgeois is a student in Miss Bustier's class at Collège Françoise Dupont. She is a rival of both Marinette Dupain-Cheng and Ladybug. She is also the daughter of André and Audrey Bourgeois and the half-sister of Zoé Lee.

Clara Contard is a TVi news reporter.

Clara Nightingale (called Laura Nightingale in some episodes) is a US popstar. She is based off of the singer Laura Marano, who performed the Miraculous music video.

Daizzi is the kwami of Jubilation who is connected to the Pig Miraculous. With his power, Daizzi's wearer can use the pearl anklet to transform into a pig-themed superhero. Daizzi and his miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Denis Damocles is the principal of Collège Françoise Dupont.

Duusu is the kwami of Emotion who is connected to the Peacock Miraculous. With his power, Duusu's wearer can use the brooch to transform into a peacock-themed superhero. Duusu and his Miraculous are currently owned by Félix Fathom, who uses it for unknown reasons.

Edgar is a Pigeon who lives in Paris, France. He is Xavier's favorite pigeon and is currently being fed by him. In "Mr. Pigeon", after Xavier is akumatized into the titular villain, he uses his whistle to control him and other Pigeons in Paris.

Ella and Etta Césaire are Alya and Nora's younger twin sisters.

Emilie Agreste is the wife of Gabriel Agreste, the mother of Adrien Agreste, the twin sister of Amelie Graham de Vanily, sister-in-law of Colt Fathom and the aunt of Félix Fathom. She is also a former leading actress in the film Solitude. Emilie is a former Peacock Miraculous holder, with the Miraculous' former damaged nature being the cause of her coma. Currently, she is in Gabriel's repository, where she is being kept in a glass coffin.

Fang is Jagged Stone's pet crocodile.

Fluff is the kwami of Evolution who is connected to the Rabbit Miraculous. With her power, Fluff's wearer can use the pocket watch to transform into a rabbit-themed superhero. Fluff and her miraculous are currently used by the present Alix Kubdel, who is traveling through the Burrow to various points across time to make sure Monarch cannot take back the Rabbit Miraculous in the present. She will return to her own time once the supervillain is defeated.

Fred Haprèle is an assistant educator at Collège Françoise Dupont, a mime performer, the leading actor in The Mime's Extraordinary Adventures, and Mylène's father.

Master Wang Fu is a former healer and previously the Great Guardian of the Miraculouses. He gave Marinette Dupain-Cheng and Adrien Agreste their Miraculouses to stop Hawk Moth and his villains' evil-doings. With the Turtle Miraculous, when inhabited by Wayzz, Master Fu transforms into a turtle-themed superhero.

Félix Fathom is the maternal cousin of Adrien Agreste who lives in London, the son of the late American billionaire Colt Fathom and aristocrat Lady Amelie Graham de Vanily and the nephew of Emilie Agreste and Gabriel Agreste.

Gabriel Agreste is the main antagonist. He is a famous fashion designer across Paris and other places who created and owns the fashion brand, Gabriel. He is also the husband of Emilie Agreste and the father of Adrien Agreste, who models for him.

Gina Dupain is Marinette's Italian paternal grandmother and Tom Dupain's mother.

Ivan Bruel is a student in Miss Bustier's class at Collège Françoise Dupont.

Jagged Stone is a popular rock star. He is the father of Luka Couffaine and Juleka Couffaine.

Jalil Kubdel is a young historian and Alix Kubdel's older brother.

Jean-Pierre Monlataing is a professor who works at Collège Françoise Dupont. He teaches Art in Room 33.

Juleka Couffaine is a student in Miss Bustier's class at Collège Françoise Dupont. She is also the younger twin sister of Luka Couffaine.

Kaalki is the kwami of Teleportation who is connected to the Horse Miraculous. With her power, Kaalki's wearer can use the glasses to transform into a horse-themed superhero. Kaalki and her miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Kagami Tsurugi is a Japanese student at Collège Françoise Dupont. She attracts the attention of Adrien Agreste as his fencing rival.

Lê Chiến Kim Ature, is a student in Miss Bustier's class at Collège Françoise Dupont.

Lila Rossi is an Italian student in Miss Bustier's class at Collège Françoise Dupont. She is the love rival of Marinette Dupain-Cheng and Ladybug, competing their rivalry for Adrien Agreste's affection. Her lying tends to cause trouble for Ladybug and Cat Noir.

Longg is the kwami of Perfection who is connected to the Dragon Miraculous. With her power, Longg's wearer can use the choker necklace to transform into a dragon-themed superhero. Longg and her Miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

He is the older twin brother of Juleka Couffaine and the guitarist of Kitty Section who attracts the attention of Marinette.

Manon Chamack is the daughter of Nadja Chamack and a girl that Marinette babysits.

Marc Anciel is a student in Ms. Mendeleiev's class at Collège Françoise Dupont.

Marinette Dupain-Cheng is the main protagonist of Miraculous: Tales of Ladybug & Cat Noir. She is a student in Miss Bustier's class at Collège Françoise Dupont in Paris, France, and a budding fashion designer who wants to have her own brand one day. With the Ladybug Miraculous, when inhabited by Tikki, Marinette transforms into the superheroine Ladybug, who gains the power of creation, in order to stop Hawk Moth and his akumatized villains.

Markov is a robot created by Max Kanté.

Marlena Césaire is the head chef of the restaurant in Le Grand Paris and the mother of Alya, Ella, Etta, and Nora Césaire.

Max Kanté is a student in Miss Bustier's class at Collège Françoise Dupont.

Mireille Caquet is a student in Ms. Mendeleiev's class at Collège Françoise Dupont, and she is the KIDZ+ weather forecaster after winning a competition. She is very popular, getting a lot more votes than the other final contestant, Aurore Beauréal.

Mr. Banana is an in-universe fictional mascot entertainer in Paris. Cat Noir also used his costume in "Kwamibuster" when Plagg gets captured and he needs to hide his identiy. He also used this costume in "Feast" when Master Fu took the Cat Miraculous away for the same reason.

Ms. Mendeleiev is a physics, science and math teacher at Collège Françoise Dupont.

Mullo is the kwami of Multiplication who is connected to the Mouse Miraculous. With her power, Mullo's wearer can use the pendant necklace to transform into a mouse-themed superhero. Mullo and her Miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Mylène Haprèle is a student in Miss Bustier's class at Collège Françoise Dupont.

Nadja Chamack is a TV news reporter and Manon's mother.

Nathalie Sancoeur is a former treasure hunter of magical objects and Gabriel Agreste's assistant who manages his fashion work, his mansion, and takes care of his son Adrien.

Nathaniel Kurtzberg, also called Nathan, Nate and Nath, is a student in Miss Bustier's class at Collège Françoise Dupont.

Nino Lahiffe is a student in Miss Bustier's class at Collège Françoise Dupont and Adrien's best friend. He is also a DJ and the head of the school radio.

Nooroo is the kwami of Transmission who is connected to the Butterfly Miraculous. With his power, Nooroo's wearer can use the brooch to transform into a butterfly-themed superhero. Nooroo and his Miraculous are currently active, for he is forced by Gabriel Agreste to help him transform into the supervillain, Monarch.

Nora Césaire is Alya's older sister and a kickboxer.

Orikko is the kwami of Pretension who is connected to the Rooster Miraculous. With his power, Orikko's wearer can use the thumb ring to transform into a rooster-themed superhero. Orikko and his miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Otis Césaire is a zookeeper at Ménagerie du Jardin des Plantes. He is also the husband of Marlena Césaire and the father of Alya Césaire, Ella, Etta and Nora Césaire.

Penny Rolling is Jagged Stone's agent.

Philippe is a figure skating trainer. He is played by and based off of the figure skater, Philippe Candeloro.

Plagg is the kwami of Destruction who is connected to the Cat Miraculous. With his power, Plagg's wearer can use the ring to transform into a black cat-themed superhero. Plagg and his Miraculous are currently active, used by Adrien Agreste to transform into Cat Noir.

Pollen is the kwami of Subjection who is connected to the Bee Miraculous. With her power, Pollen's wearer can use the hair comb to transform into a bee-themed superhero. Pollen and her miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Roaar is the kwami of Elation who is connected to the Tiger Miraculous. With her power, Roaar's wearer can use the panjas braclet to transform into a tiger-themed superhero. Roaar and her miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Lieutenant Roger Raincomprix is a policeman and Sabrina Raincomprix's father.

Rolland Dupain is the paternal grandfather of Marinette Dupain-Cheng.

Sabine Cheng is a highly upheld merchant and the co-owner of Tom & Sabine Boulangerie Patisserie. She is the wife of Tom Dupain and the mother of Marinette.

Sabrina Raincomprix is a student in Miss Bustier's class at Collège Françoise Dupont and Chloé Bourgeois' "all-purpose girl".

Sass is the kwami of Intuition who is connected to the Snake Miraculous. With his power, Sass' wearer can use the Ouroboros bracelet to transform into a snake-themed superhero. Sass and his miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Stompp is the kwami of Determination who is connected to the Ox Miraculous. With his power, Stompp's wearer can use the nose ring to transform into an ox-themed superhero. Stompp and his miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Théo Barbot is an artist and a sculptor.

Tikki is the kwami of Creation who is connected to the Ladybug Miraculous. With her power, Tikki's wearer can use the earrings to transform into a ladybug-themed superhero. Tikki and her Miraculous are currently active, used by Marinette Dupain-Cheng to transform into Ladybug.

Tom Dupain is the husband of Sabine Cheng and the father of Marinette Dupain-Cheng. He and his wife are the owner of the Tom & Sabine Boulangerie Patisserie.

Tomoe Tsurugi is a world champion in fencing and the mother of Kagami Tsurugi. She currently has an alliance with Gabriel Agreste.

Trixx is the kwami of Illusion who is connected to the Fox Miraculous. With his power, Trixx's wearer can use the necklace to transform into a fox-themed superhero. Trixx and his Miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Vincent is an Italian photographer who does Adrien Agreste's photo shoots. In "Reflekta", he takes class photos of the students at Collège Françoise Dupont.

Wayhem is a teenager who is a fan of Adrien Agreste.

Wayzz is the kwami of Protection who is connected to the Turtle Miraculous. With his power, Wayzz's wearer can use the bracelet to transform into a turtle-themed superhero. Wayzz and his miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Xavier Ramier is a man who loves pigeons.

Xuppu is the kwami of Derision who is connected to the Monkey Miraculous. With his power, Xuppu's wearer can use the circlet to transform into a monkey-themed superhero. Xuppu and his miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Xavier-Yves Roth, better known as XY, is a famous pop star and Jagged Stone's biggest rival in the music making business. He is Chloé's favorite singer, as stated in "Guitar Villain". His father is the producer Bob Roth.

Ziggy is the kwami of Passion who is connected to the Goat Miraculous. With her power, Ziggy's wearer can use the hair clips to transform into a goat-themed superhero. Ziggy and her miraculous are currently owned by Gabriel Agreste, who uses it for evil purposes.

Zoé Lee is a teenage girl from New York City and a student in Ms. Mendeleiev's class at Collège Françoise Dupont. She is also Chloé Bourgeois's younger half-sister and André Bourgeois's stepdaughter. She attended a boarding school when she was in New York, where she once lived with her mother.