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
American Russell Terrier Club Europe for many decades. The American Russell Terrier Club registry has maintained the breed since 1995, with full registration at one year of age, requiring a health certificate, evaluated breeding status plus verification of pedigree purity. Breeding lines have been maintained with the intent to exclude infusion of Parson Russell Terrier blood lines as well as other "foreign" terrier blood. The American Russell Terrier Club has the only Foundation stock designated UKC FS Russell Terriers and AKC FSS Russell Terriers being the original founding US registry for the breed. The American Russell Terrier Club submitted the application for inclusion into