What is a Frenchton? A Frenchton is a designer or hybrid breed, typically 50% purebred French Bulldog and 50% purebred Boston Terrier. They have physical characteristics of both breeds, round heads, short flat snouts, erect bat-like ears, short in stature, naturally occurring docked tails, and short, shiny coat. Frenchtons generally get up to 20 inches long, 16 inches tall, and up to 25 pounds. Mo