Grete Claudel is a main character in the anime and light novel series 'Spy Kyoushitsu' (Spy Classroom). She is a member of Team Lamplight, a group of young women trained to be elite spies under the guidance of their enigmatic teacher, Klaus. Grete is known for her remarkable acting and disguise skills, making her a vital asset during undercover operations. Her calm demeanor, intelligence, and dedication to her team play a crucial role in their missions and in the overall story of the series.