Small-medium sized dog which is seen sporting a no-nonsense look, with a wrinkled face and a pushed in snout. Bull dog is muscular and stout. It has tiny legs and black eyes that are hidden inside the muzzle. The ears are small and pink in the insides. Its tail is either straight or screwed. Their coats are glossy and smooth, which comes in a variety of colors, which include Brindle & White, Fawn, Fawn & White, Fawn Brindle & WhiteGray BrindleRedRed & WhiteRed BrindleRed Brindle & White, and White. Though its appearance is tough for which it earned the sobriquet of “sour mug”, bull dog is jovial, comical and extremely friendly. It gels out well with children and is known for its mellowness. At times they can grow aggressive on meeting strangers but are a god with other breeds of dog. It was previously used as fighter dog.