Wire Fox Terrier canine member of the Charles family, was a wire fox terrier, and the popularity of the breed soared. Milou (Snowy) from "The Adventures of Tintin" comic strip is also a wire fox terrier. In the late 20th century, the popularity of the breed declined again, most likely due to changing living conditions in the Western world and the difficulty of keeping hunting terriers in cities due to their strong prey instincts. As of 2014, the wire fox terrier has the distinction of having received more Best in Show titles at Westminster Kennel Club dog shows (currently 14) than any other
Working terrier dog is on the large size, and as a consequence it is most useful in large pipes, artificial earths, or when it has been bred down to a 12–13 inch size. From the southern part of England have come the white fox-working dogs whose origins are the same as those of the Jack Russell Terrier. Kennel Club breeds derived from these mainly-white coated dogs include the Smooth Fox Terrier, the Wire Fox Terrier, the Sealyham Terrier and (most recently), the Parson Russell Terrier and Russell Terrier. None of these Kennel Club breeds are commonly found working in the field today.