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 sly flirt. He used to be captivated by Ladybug's charm and liked her. Now, he is dating Marinette. He likes Marinette so much that as Cat Noir, he will do anything to save her if she's in trouble. As Adrien, he finds it hard 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 world-famous 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. The Cataclysm works through the hand wearing the ring. Seeing as he can clench his fist in this state, the hand manifesting the power seems immune to the destruction.

Age | 14 She is Marinette's best friend and one of the people who knows Marinette is Ladybug. She received the Fox Necklace Miraculous from Marinette and helps Ladybug 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 - By holding the flute created during transformation and saying "Mirage," she 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 and started dating Alya. Now, he supports Adrien and Marinette's romance. He received the Turtle Bracelet Miraculous from Marinette 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 - When he shouts "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 with 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 anymore. 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 Butterfly - 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 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 and is close friends with her. <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 enemy attacks pass through or to move. Lightning Dragon - She manipulates the lightning element to move and attack quickly.

Age | 14 He is Adrien's cousin but looks so much like him they could be twins. He is Kagami's boyfriend. He once stole the Peacock Brooch Miraculous from Marinette to become "Argos," but he apologized to Marinette and essentially returned it. He is close with Marinette. <Appearance> He looks exactly like 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 received the Snake Bracelet Miraculous from Ladybug. He still likes Marinette. However, after learning the identities of Ladybug and Cat Noir, he went to Brazil on his own to protect their secrets. <Ability> Second Chance - By sliding the bracelet and saying "Second Chance!", he returns to the point in time five minutes before he activated the power.