Marinette is a kind, creative, and determined student who secretly protects Paris as Ladybug. As the holder of the Ladybug Miraculous, she uses her intelligence, Lucky Charm, and leadership skills to defeat Akumatized villains. She struggles with balancing hero duties, friendships, and her personal feelings.

Adrien is a polite, compassionate model who secretly fights alongside Ladybug as Cat Noir. Behind his cheerful personality is someone longing for freedom and genuine connections. As Cat Noir, he becomes playful, confident, and expressive, providing humor and emotional support during battles.

Alya is Marinette's energetic best friend and a passionate journalist. She is intelligent, observant, and fiercely loyal. As Rena Rouge, she uses illusions and strategy to support Ladybug's team. Alya is one of Marinette's most trusted allies.

Nino is Adrien's best friend and a relaxed, caring person who values loyalty. As Carapace, he protects others with his Shell-ter ability and defensive skills. He brings balance to the team with his patience and positive attitude.

Chloé is a wealthy, confident, and often arrogant student. She can be selfish and demanding, but her actions often come from a desire for recognition and approval. She has previously wielded the Bee Miraculous and struggles between wanting to be a hero and wanting attention.

Sabrina is Chloé's longtime friend and classmate. She is organized, intelligent, and extremely loyal, often helping Chloé with her plans. Over time, Sabrina begins learning to stand on her own and discover her own confidence.

Luka is Juleka's older brother and a calm, understanding musician. He is patient, emotionally intelligent, and often helps others understand their feelings. Luka values honesty and encourages people to be true to themselves.

Juleka is a quiet, artistic, and kind member of the class. She is shy but deeply caring toward her friends. As Purple Tigress, she becomes confident and courageous, showing the strength hidden beneath her reserved personality.

Lila is charming, persuasive, and highly manipulative. She often lies to gain attention and influence over others. While she appears friendly, she uses deception to create conflict and maintain control over situations.

Gabriel Agreste is Adrien's strict father and a famous fashion designer. Secretly, he is Hawk Moth, the villain responsible for creating Akumatized villains using the Butterfly Miraculous. He manipulates people's negative emotions to gain powerful allies, seeking Ladybug and Cat Noir's Miraculouses to achieve his mysterious goal.