The english bulldog is a type of dog with characteristically thick shoulders and a head to match. An english bulldog is an ingenious way to get your exercise and enjoy life. An adult bulldog can vary in weight anywhere from 45 to 55 pounds and are about 1.5 feet tall. English bulldog. You will never find a better companion than a bulldog. English bulldogs are fine with children due to their docility and live to be about 12 years old depending on who you ask.