According to the AKC, there are certain standards a showable and breedable bulldog must follow:               How does Larry compare?

General Appearance	medium size smooth coat heavy, thick body massive head short-faced (no muzzle) wide shoulders sturdy limbs
Size	Males - adults should be about 50 lbs Females - adults should be about 40 lbs
Coat and Skin	Coat:      straight and short, close to the skin Skin:      soft and loose, especially around the head and neck Wrinkles:      heavy wrinkles should be found at the head and face      the wrinkles on the neck should be two loose at either side of the head that form the "dewlap"
Preferred colors (in order of preference)	Red brindle All other brindles Solid white Solid red, fawn, or fallow Piebald
Temperament	Bulldogs should have very kind dispositions.  They should be resolute and courageous.  In no way should they be aggressive.  They also have a dignified way about them.

For a more detailed explanation of the standards, visit the AKC