Loyal.
Origin uuuh…Germany
Weight ~ 85-90lbs (male)
Height ~ 24-27inches (male)
Lifespan ~ 9-12 years

This breed is a very popular kind of dog. It's also a large-size breed, highly intelligent, super confident, and energetic. The most common color for the dog is a mix of brown/black/light brown/red. They have strong jaws with a scissor-like bite, big erect ears, and a long bushy tail. Most have a straight back, however there are dogs with a sloped back. This isn't very healthy and can impede the dog's gait and give him issues in his hind legs later in life.

Considered to be a highly intelligent breed, they pick up quickly to new tricks and commands. Because they are so easy to train, they are often used as police dogs, guard dogs, search & rescue dogs, and labor dogs. They are very loyal and bond well with their owner, so it's no wonder Hewie is so quick to accompany Fiona and protect her.

White-coat
The white coat gene in these dogs is recessive. It was introduced to the gene pool in the late 19th/early 20th century. The dog's coat is a weather-resistant double coat. Not all coats are white as snow. Some vary, ranging from cream to a tan. These by some might not be considered a White Shepherd. Its nose should be entirely black.

Other than its color, the dog is not different than a normal Shepherd. Basically, it comes down to personal preference. It is seen as more exotic and rare.