Adrien Agreste: Is one of the main protagonists of Miraculous: Tales of Ladybug & Cat Noir. He is a student in Miss Bustier's class at Collège Françoise Dupont in Paris, France. He is also a fashion model for his father's line. With his magical ring, inhabited by a kwami named Plagg, Adrien gains the power of bad luck and destruction, transforming him into the superhero Cat Noir ("Chat Noir" in the French version).

Plagg: Is a kwami that is connected to the Cat Miraculous, which Adrien Agreste currently owns. With the help of Plagg's power, Adrien uses the ring to transform into Cat Noir. Plagg is a small black creature with a large head and small body. His appearance is very cat-like, having cat ears, a tail, two cat incisors, and green cat-like eyes, along with one whisker on his forehead and one whisker on each cheek.