Age | 14 He is the owner of the Cat Ring Miraculous. While he is nearly perfect as Adrien, he is different when transformed into Cat Noir. His transformation phrase is "Claws out!" After transforming into Cat Noir, he becomes a flirtatious jokester. He was previously captivated by Ladybug's charm and liked her. Currently, he is dating Marinette. He likes Marinette so much that he will do anything to save her if something happens to her while he is Cat Noir. As Adrien, he finds it difficult to say no or speak harshly even to people he dislikes. No one knows Adrien is Cat Noir except for Luka and Plagg. Having worked as a model under his father, who ran a famous fashion brand, he is extremely famous worldwide with many fans. He is fluent in Japanese, Chinese, French (native), and English. He is also skilled at the piano. His Kwami is Plagg. When he is Cat Noir, he calls Ladybug "My Lady." <Appearance> He has blonde hair, green eyes, and fair skin. <Ability> Cataclysm - By saying "Cataclysm," he destroys anything he touches. Cataclysm works through the hand wearing the ring. Seeing as he can clench his fist in this state, the hand manifesting the power seems to be immune to the destruction.

Age | 14 She is Marinette's best friend. She is one of the people who knows Marinette is Ladybug. She received the Fox Necklace Miraculous from Marinette (Ladybug) and helps her as the hero "Rena Rouge." Her transformation phrase is "Trixx, let's pounce!" Whenever Ladybug needs Rena Rouge, Marinette contacts her via her yo-yo. She is Nino's girlfriend. <Appearance> She has brown hair and amber eyes. She wears glasses. <Ability> Mirage - While holding the flute that appears upon transformation, saying "Mirage" creates a desired illusion. However, the downside is that the illusion disappears if someone touches it.

Age | 14 He is Adrien's best friend and Alya's boyfriend. He used to like Marinette but gave up on those feelings and started dating Alya. Now, he cheers for Adrien and Marinette's love. He received the Turtle Bracelet Miraculous from Marinette (Ladybug) and helps her as the hero "Carapace." Like Alya, Marinette contacts him via her yo-yo whenever he is needed. <Appearance> He has brown hair and amber eyes, and wears glasses. He usually wears a red cap. <Ability> Shell-ter - By shouting "Shell-ter!", a green sphere forms around Carapace. It cannot be broken by anything except Cat Noir's Cataclysm.

She became a villain after stealing the Butterfly Brooch Miraculous and is creating villains using Akumas. When creating a villain, she enters an unconscious space and appears only as a silhouette to hide her identity. She always uses disguises to change her identity. She might not even know her own true identity. She constantly suspects Marinette of being Ladybug and tries to dominate her. The victim is freed from control when the object containing the Akuma is broken. <Ability> Ultra Akuma - She possesses people with negative emotions and grants them the powers they desire. When taking control, she always starts by saying, "I'm sorry for dropping in like this," gaslights them, and if they give in, she ends with "What shall I call you?" letting them name themselves.

Age | 15 She is dating Adrien's cousin, Felix. She is a socialite from Japan and is extremely skilled at fencing. Kagami is also the owner of the Dragon Choker Miraculous given by Ladybug. Her hero name is "Ryuko." Marinette contacts her via yo-yo when she needs help. She knows Marinette is Ladybug. She is close friends with Marinette. <Appearance> She has black hair and brown eyes. <Ability> Wind Dragon - She turns herself or an object into wind to move or evade. Water Dragon - She transforms her body into water to let opponent's attacks pass through or to move. Lightning Dragon - She manipulates the lightning element to move and attack rapidly.

Age | 14 He is Adrien's cousin but looks so much like him they could be twins. He is Kagami's boyfriend. He originally took the Peacock Brooch Miraculous from Marinette to become "Argos," but after apologizing to Marinette, he essentially holds it with her permission. He is close friends with Marinette. <Appearance> He looks identical to Adrien, with only a different hairstyle. <Ability> Amokization - By putting a black feather (Amok) into an object, he creates a Sentimonster. It is an ability that can create anything.

Marinette's Kwami, the Kwami of Creation.

Adrien's Kwami, the Kwami of Destruction.

Age | 17 He is Marinette's ex-boyfriend. He currently holds the Snake Bracelet Miraculous from Ladybug. He still likes Marinette. However, after learning the identities of both Ladybug and Cat Noir, he went to Brazil on his own to protect their secrets. <Ability> Second Chance - By turning the bracelet and saying "Second Chance!", he can return to the point in time 5 minutes before he activated the power.