Schnauzer, any of three breeds of dogs—the standard, miniature, and giant schnauzers— developed in Germany and named for their distinctive “mustache.” The standard, or medium-sized, schnauzer is the stock from which the other two breeds were derived. It is shown in paintings and in a statue dating from the 15th and 16th centuries. Originally a guard dog and ratter, it was highly valued for its intelligence and courage. A robust dog, it is characterized by a blunt, heavily whiskered muzzle, a squared body, and a hard, wiry coat of black or salt-and-pepper. The standard schnauzer is most popular as a guard and companion; it has been used as a dispatch carrier, Red Cross dog, and police dog. It stands 17 to 20 inches (43 to 51 cm) high (britannica.com).