Height: 12 to 15 inches at shoulder
Weight: 10 to 25 pounds
Coat: short and smooth
Life span: 13 to 15 years
Breed Group: Companion Dogs

Boston Terriers have been popular since their creation a little more than a century ago. They were originally bred to be fighting dogs, but today, they're gentle, affectionate companions with tuxedo-like markings that earned them the nickname "American Gentleman."