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
Russell Terrier registry for single dog registration for FSS AKC. Russell Terrier The Russell Terrier is a predominantly white working terrier with an instinct to hunt prey underground. The breed was derived from Jack Russell's working terrier strains that were used in the 19th century for fox hunting. Russell's fox working strains were much smaller than the Show Fox Terrier and remained working terriers. The size of the Russell Terrier (10″ to 12″) combined with a small flexible, spannable chest makes it an ideal size to work efficiently underground. Their unique rectangular body shape with the body being of slightly longer length