The American Hairless Terrier is a small to medium-sized breed known for its lack of fur and lively personality. A descendant of various English rat terrier breeds it is a bold, fearless, and rather inquisitive breed that was originally used to help hunt vermin. Contrary to their name, you can find coated varieties of the American Hairless Terrier, which have short, downy coats, whiskers, and defined eyebrows.