Since 1975, Yves has been a collaborative writer and actor on more than seventy theatrical creations, with companies including La Grosse Valise, which he co-founded (Gloria in Excelsis Deo), Théâtre Parminou (Ô Travail), Théâtre La Cannerie (Prêt pas prêt débourse!), Théâtre Les Deux Mondes (La vie à trios étages, Parasols, Pleurer pour rire, Histoire de l’Oie), Les Gens d’en Bas (Faut pas payer!, Les archanges ne jouent pas aux machines à boules), and many others. Histoire de l’Oie has been performed in more than twenty-five countries, and in four languages (French, English, Spanish and German) between 1991 and 2006.
In 1983, he created the character Omer Veilleux, as whom he gave more than 1000 live performances in more than twenty countries. In 2007, for the first time, he partnered with a comic horse for the show Saka, a production by the Nouveaux Cavaliers, presented in 2008 in Bromont, and in 2009 in St-Sauveur, in Quebec. His final performance with this character was at the Closing Ceremony of the Vancouver Winter Olympic Games in 2010.
Yves has also received grants from the Canada Council for the Arts in 1983 and 1986, and from the Ministère des Affaires Culturelles du Québec in 1992. He has taught in the département d’art dramatique at the Université du Québec à Montréal, and is now teaching at the National Theatre School of Canada, at the École nationale de cirque de Montréal, at the École nationale de l’humour and at the Institut National des arts du Music-hall du Mans, in France. He also leads numerous workshops on the art of clowning around the world. Yves is also Artistic Director for the Centre de recherche en art clownesque (2005), and Artistic and Pedagogical Director of the Artiste comique section of the Institut national des arts du Music-Hall du Mans.
As an author, Yves has co-written many plays including La Vie à Trois Étages, and regularly collaborates with the French magazine Culture-Clown by writing articles on different topics related to clowning art. He is presently working on a book entitled Le Petit Auguste, repertoire de clowns, augustes, et autres comiques.