Bichon frise translates into English as curly dog. This breed’s most distinctive feature is its white coat, which accentuates its dark, inquisitive eyes.
Just as Boston is a historic city with a young population, this dog is a relatively old breed with a young heart.
Named after its city of origin, the Brussels griffon is a toy dog and somewhat larger than others on our list. Its large expressive eyes and flat face give it a unique puppy-like appearance, whatever its age.
This breed has been popular since the days of King Charles II. It is small for a spaniel and goes through its puppy stage slowly, staying frisky even when older. It also has big eyes and a big heart, which is why it's on our list.
Named for a state in Mexico, the Chihuahua is the smallest breed of dog. It has a long life expectancy of up to 16 years but looks like a puppy no matter its age.
The cocker spaniel is the smallest of the sporting dogs and packs a lot of cuteness into a small package. With a handsome face, big soulful eyes, and a tail that wags the dog, it’s no surprise it has topped the AKC popularity rankings at various times over the years.
The French bulldog has a wrinkly face and protruding bat-like ears. Based on that description alone, you might wonder why it’s on our list.