The Scottish Terrier (Scottish Gaelic: Abhag Albannach; also known as the Aberdeen Terrier), popularly called the Scottie, is a breed of dog. Initially one of the highland breeds of terrier that were grouped under the name of Skye Terrier, it is one of five breeds of terrier that originated in Scotland, the other four being the modern Skye, Cairn, Dandie Dinmont, and West Highland White Terriers. The 'Diehard' nickname was originally given to it in the 19th century by George, the fourth Earl of Dumbarton. The Earl had a famous pack of Scottish Terriers, so brave that they were named “Diehards”.