Nicolas Bonaventure Ciattoni (b. 1978) is a French radio comedian. He is the voice of Scooter in Muppets TV, the French adaptation of The Muppet Show.

He is known as "Cartman" by fans, as his voice bears similarity to the South Park character. Openly gay, he is said to kiss male guests to the show "Cauet Method", and plays character like Miss Herpès and Frederic French.