Cosmo (dog) Cosmo (dog) Cosmo is a canine actor. He is a Jack Russell Terrier that is best known for his roles in the movies "Hotel for Dogs" and "Beginners". He was adopted from a breed rescue society by animal trainer Mathilda DeCagny. Cosmo was adopted by dog trainer Mathilda DeCagny from a Jack Russell rescue society in 2007. DeCagny had previously owned and trained other Jack Russell dog actors Moose and his son Enzo, who had played Eddie in "Frasier". DeCagny described Cosmo as being skittish and lacking confidence when she first adopted him, but he was very friendly towards people
Patterdale Terrier occasionally brindle, but never fully white. Any other colours, or larger patches of white away from the chest and toes, are indicative of cross-breeding, particularly with the Jack Russell Terrier. Patterdale Terrier puppies tend to be bold and confident beyond their capabilities. The Patterdale is known as a working terrier, rather than a show dog. Typical of terriers, whose work requires high energy and a strong drive to pursue prey, Patterdales are very energetic and can be difficult to socialise. Though also kept as pets, due to being bred for high-intensity work, they may tend towards being too energetic for