Bull Terriers are not directly related to Pit Bull Terriers.

This is a common misconception. Although they come from the same ancestors, Bull Terriers and Pit Bulls as they are today are not directly related.

Bull Terriers do well in show business.

Bull Terriers appeared in several popular movies, including Oliver!, The Incredible Journey, Patton, Babe: Pig in the City, Next Friday, Frankenweenie, A Dog’s Life, The Last Boy Scout, and Derailed. In television, it has been featured in Baa Baa Black Sheep, Barking Mad, and Keen Eddie.

Bull Terrier: a gladiator?

As it walks with a jaunty gait, it is also popularly known as the “gladiator of the canine race”.

Watch out for a Bull Terrier’s bark.

Bull Terriers rarely bark except for good reason. Pay attention to your Bull Terrier when it’s barking.

They have some of the canine world's most distinct faces.

Bull terriers are known for their long egg-shaped faces that slope in the front into a Roman nose.

Their eyes are also unusual: The bull terrier is the only registered breed to have triangle shaped eyes.

OCD is common in the breed.

A dog chasing its tail can be cute, but it’s also possibly a sign that the canine has obsessive personality disorder. Studies have shown that bull terriers and German shepherds are much more likely to compulsively chase their tails than any other breed. Other signs of the disorder include frequent chasing of shadows and compulsive pacing. Worried about your dog's obsessive behavior? The ASPCA says that keeping him or her busy can help.

They’re the clowns of the dog world.

Bullys might seem a little intimidating with their muscular appearance, but they’re actually very sweet, gentle dogs. Known for their goofy and fun personalities, bull terriers are perfect for active families. The dogs love to play and get into trouble.

Some are hard of hearing.

As is the case with Dalmatians and other dogs with piebald coats, bull terriers sometimes have trouble with their hearing. It was believed that deafness could be bred out of the dog, but many breeders continued to use deaf dogs regardless. Others simply didn't realize that the offspring of dogs deaf in only one ear could be totally deaf.