Adrien Agreste is a fictional character and the male protagonist of the animated television series Miraculous: Tales of Ladybug & Cat Noir created by Thomas Astruc. He is portrayed as a French teenage student who has been homeschooled for most of his life and is also a model for his father, Gabriel Agreste, a famous fashion designer with whom Adrien has a distant relationship. After passing the test of Master Fu, who is later revealed as the keeper of the magic objects called Miraculouses, by helping him, Adrien is chosen as one of the two soon-to-be superheroes alongside Ladybug, for whom he quickly develops feelings and whose secret civilian identity is Marinette Dupain-Cheng. Consequently, Adrien receives a ring named the Cat Miraculous that, when worn, grants him the ability to transform into his superhero alias, Cat Noir (French: Chat Noir, lit. 'Black Cat'). Cat Noir and Ladybug's aim is to protect Paris from the villain Hawk Moth. Every Miraculous is accompanied by a small magical creature known as a kwami, with Adrien's kwami being Plagg, a black cat-like being. As Cat Noir, Adrien's signature ability is destruction. Adrien appears in most Miraculous media, including the main series, the comic books, and the mobile running game.
Adrien was conceptualized as a character who would appeal to everyone, having many good characteristics and being able to inspire the viewers. Regarding Adrien's superhero identity, since Ladybug's power was connected to good luck, Astruc concluded that her partner would have powers related to bad luck, which resulted in him thinking of a black cat. Cat Noir was also inspired by the comic book superhero Catwoman. Adrien is voiced by Bryce Papenbrook in the English dub, while Benjamin Bollen voices him in the show's French version.
Critical reception of Adrien has been generally positive, with writers describing him as a great, interesting, and relatable character. His relationship with Marinette has been praised, both when they are depicted as civilians and as superheroes. Adrien has served as inspiration for cosplays. Merchandise inspired by him has been produced, such as action figures, accessories, and clothing items.