Christophe Lemoine is a French voice actor born on December 11, 1978, in Sucy-en-Brie, Val-de-Marne. He began his artistic training at a young age, studying saxophone and drama at the local conservatory from the age of seven. He started working in dubbing professionally around the age of nine or ten, and by fifteen, he had earned a gold medal at the conservatory in Saint-Maur-des-Fossés.

Lemoine has built a prolific career in dubbing, with a significant body of work in anime. He is widely recognized as the French voice of Inosuke Hashibira across the entire Demon Slayer: Kimetsu no Yaiba franchise, including the television series, the Mugen Train Arc, the Entertainment District Arc, and the film Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train. His other notable anime roles include Hiroshi Jito in the 2018 Captain Tsubasa series, Hashim in Tokyo Tribe 2, Goshu in the Isao Takahata film Gauche the Cellist, and Flanagan in the Studio Ponoc film Mary and The Witch's Flower. He also voiced Pierre in a later dub of Puss 'n Boots.

Beyond the roles listed by the user, his extensive anime filmography includes providing the French voice for Jiji in Kiki's Delivery Service, General Koopa in The Super Mario Bros. Movie, Zen in the 2021 Shaman King, and Sam in Jujutsu Kaisen, among many others. In addition to his work in anime, Lemoine is known for being the regular French voice for actors such as Josh Gad, Sean Astin, and Paul Walter Hauser. He is also the iconic voice of Eric Cartman and Butters Stotch in the French version of South Park, a role he has held for many years.

Lemoine has also worked as a dubbing director, with credits including the French versions of Lupin III vs. Cat's Eye and the animated series Onimusha. He maintains a long-standing creative partnership with fellow voice actor Adrien Antoine, with whom he has formed a musical duo and performed in theatrical productions.