As she has a lot of typical attributes of a normal teenager. Marinette’s normality as a character allows the audience to relate to her. Since then, Marinette becomes the new Guardian of the Miraculouses after Master Fu relinquishes his role as Guardian and passes it to her. In "Miracle Queen," after Miracle Queen the temporary Miraculous holders to be her slaves, Marinette wears the Dragon Miraculous combined with the Ladybug Miraculous she already owns, to become Dragon Bug. However, her akumatization is interrupted because of Nathalie Sancoeur's illness and it is never fully completed.
In “Ladybug”, after being expelled from school, she is nearly akumatized by Scarlet Moth into Princess Justice. In “Reflekdoll”, Marinette obtains the Cat Miraculous, which when inhabited by Plagg, will be able to transform her into Lady Noire, gaining the power of destruction. In "Feast", after defeating the sentimonster that was controlled by Hawk Moth and Mayura, Master Fu began to train Marinette in order to pass his title to her as the New Guardian of the Miraculouses. In the same episode, Multimouse's various copies transform with the Mouse Miraculous combined with the Ladybug, Cat and Fox Miraculous to become Multibug, Multinoir and Multifox respectively. In "Kwamibuster", after Tikki is captured by the titular villain, Marinette wears multiple Miraculous but activates the Mouse Miraculous to become Multimouse, a mouse-themed superhero.
She is also the leader of the French Miraculous superhero team. With the Ladybug Miraculous, when inhabited by Tikki, Marinette transforms into the superheroine Ladybug, gaining the power of creation to stop Hawk Moth and his akumatized villains. Marinette Dupain-Cheng is one of the main protagonists of Miraculous: Tales Of Ladybug & Cat Noir is a student in Miss Bustier's class at Collège Françoise Dupont in Paris, France and a budding fashion designer who wants to have her own brand one day.