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
English White Terrier have always been quite variable in terms of size and shape, with dogs ranging in size from 10 to 15 inches, and with both drop ears and prick ears, smooth, broken, and rough coats.(Burns, 2005) With the rise of dog shows in the 1860s, breed fancy enthusiasts raced to name and "improve" every type of dog they could find, and terriers were at the very top of their list. From the long-extent white-bodied working terriers came the Fox terrier, the Jack Russell terrier, the Parson Russell terrier, and the Sealyham terrier. In the rush to create and claim new breeds,