Yves Brunier (born 1943) is a French puppeteer.
He is best known for his character, Casimir, an orange colored dinosaur[1] who appears on French Children's TV.
[2] He played Chelli in Sacatruc, the French version of Big Bag.
Brunier later went to perform on 5, Rue Sésame as Yoyo.
He also performed on the Muppet Show TV pilot.