Bull Terrier Calendars: The Bull Terrier tends to be friendly and have a good temperament, known for its ability to distinguish when and when it should not fight. Known for their sense of humor, they are an outgoing dog with a dominant nature who needs firm handling by their owner. Bull Terriers are tenacious fighters. They are generally not as nippy as other terriers, but when they do bite they don't like to let go. They are sometimes aggressive towards other dogs, and should be socialized early on. Although males generally do not get along with other males, the breed is usually good with other pets as long as they are socialized and introduced properly. Bull Terriers are short and well muscled, resembling both the physical characteristics of a Bulldog and the personality of a Terrier. They can be feisty in the fighting ring, but have been known to avoid a fight when out on the street. Bull Terriers are also known for their affection and playfulness. Puppies love to play and will be entertained with children non-stop. Adult Bullies are also very good with children and have been known to be completely devoted and faithful. Fierce in appearance and history, this breed's reputation does not give credit to the loving heart behind the brawn. Bull Terrier Calendars.