Marinette Dupain Cheng
- Clumsy and shy as Marinette (never really sure of herself and is a perfectionist)
- Confident and irritable as The Lady (surfces her inner strength when being The Lady)
- A Designer in the making
- Secret alias; Ladybug
Adrien Agreste
- Reserved and introverted as Adrien (had spent all of his life until that year being home-schooled & inside)
- Energetic and goofy as Chat (releases all stored energy in this freedom by being anonymous)
- An already quite accomplished model
- Secret alias; Chat Noir
Hawk Moth
- Ladybug's & Chat Noir's biggest rival
- Power-hungry and grasps at nearly EVERY opportunity to gain the heroes' miraculouses
- Real identity; unknown (though there are many hints but to learn of the hints you must watch the show)