In the 1870's, a German Tax collector Louis Dobermann used the Rottweiler, German Pinscher, Wei Maraner, the English Greyhound and the Manchester Terrier to develop this breed. This obedient alert and resourceful breed is a companion and a service dog all over the world. Good breeders ensure that it does not develop a shy or vicious behaviour. It weighs 30-40 kgs and is about 65-69 cms. They maybe black and tan, brown & isabella.