Marinette Dupain-Cheng

Marinette Cheng is the main protagonist of LadyBug. She is a high school student in Paris. With her magical earrings, inhabited by a creature known as a kwami named Tikki, she has the power of good luck and can transform into the superhero Ladybug.

It has yet to be confirmed who will voice Marinette in the French version, but it the English dub, she will be voiced by Cristina Vee.

Normal
Marinette is half French and half Chinese. She has blueish-gray eyes and blueish-black hair, that she usually wears in two ponytails, the tips of her hair in the ponytails the color red. She wears a white shirt underneath a dark gray sweater, dark blue jean shorts, and black dress shoes.

Ladybug
When Marinette is Ladybug, she wears a red suit with a black collar and black spots. On her back is a circular red bag, and she wears a red mask with black spots.

Personality
Described as a reserved girl, Marinette has a happy, cheerful personality and enjoys fashion.

As Ladybug, she is much more confident and strong.

Adrien/Chat Noir
Marinette has a secret crush on Adrien. She longs to win his heart.

When it comes to Chat Noir, however, she gets along with him okay, although she doesn't have any romantic feelings for him.

Trivia

 * Ladybug's mask originally did not have black spots in the OAV.
 * In France, ladybugs are known as symbols of good luck.