Bull Terrier

The Bull Terrier is a breed of dog in the terrier family. There is also a miniature version of this breed which is officially known as the Miniature Bull Terrier.
The Bull Terrier's most recognizable feature is its head, described as 'egg-shaped' when viewed from the front; the top of the skull is almost flat. The profile curves gently downwards from the top of the skull to the tip of the nose, which is black and bent downwards at the tip, with well developed nostrils. The under-jaw is deep and strong. The unique triangular eyes are small, dark, and deep-set. Bull terriers are the only dogs that have triangular eyes. The body is full and round, with strong, muscular shoulders. The tail is carried horizontally. They are generally white in colour, walk with a jaunty gait, and are popularly known as the 'Gladiator of the canine race'.

Weight	Male	22–38 kg (50–85 lbs)
Height	Male	45–55 cm (18–22 in)
Coat	Short, dense
Color	White, brindle and white, fawn, and black and white
Life span	10–15 years

source : wikipedia