Gringe, born Guillaume Tranchant on February 20, 1980, is a French rapper, actor, and writer who is primarily known for his work in music as one half of the duo Casseurs Flowters with Orelsan. His career in front of the camera includes roles in the television series Bloqués and the film Comment c'est loin, a comedy in which he and Orelsan play fictionalized versions of themselves.

In the realm of voice acting, Gringe is notably recognized for his role in the 2017 animated film Mutafukaz (released in 2018 in France). In this Franco-Japanese production, he provides the French voice for Vinz, the loyal and hot-headed best friend of the protagonist, Angelino. This project marks a significant point in his voice acting career and features a key recurring collaboration with his musical partner Orelsan, who voices the main character, Angelino. The film itself received recognition, winning the Prix du Jury Jeunes and the Prix de la meilleure musique originale at the Festival du Film Fantastique de Gérardmer.