In some parts of french children believe in a Christmas bogeyman. what is his name?

In some parts of France, children believe in a Christmas bogeyman known as "Le Père Fouettard." Traditionally, he is depicted as a dark figure who accompanies Saint Nicholas and is responsible for punishing misbehaving children. While Saint Nicholas rewards the good children with gifts, Père Fouettard serves as a warning to those who don't behave, adding a unique twist to the holiday festivities.