It doesnt matter if its an English bulldog, a French bulldog, or an American bulldog. They all have an underbite as a characteristic of their head and jaw structure. Answered By: Talon Purdy. Date created: Sun, Jul 11, 2021 5:55 PM. Small breeds such as the Boston terrier, Pekingese, French bulldog, English bulldog, King Charles spaniel, pug, Lhasa apso and shih tzu are commonly observed developing underbites. These are the most common underbite dog Answered By: Nicole Pacocha. Date ...