Casimir, an anthropomorphic orange dinosaur with yellow and red spots, was the main host of the French TV show l'Île aux enfants, played by Yves Brunier in a costume.
He appeared for the first time on television on September 14, 1974 on French television. The show was broadcast first on FR3 before being broadcast for seven consecutive seasons on TF1. The show was cancelled on June 30, 1982.