Chornyi, Terrier Noir Russem, Schwarzer Russicher Terrier, Tchiorny Terrier, Mustaterrieri, Black Terrier, Russian Bear Schnauzer, BRT, Stalin's Dog : Boston Bull, Boston Bull Terrier, Boxwood, American Gentlemen : Breed Type : Purebred : Purebred : AKC Group : Recognized by the American Kennel Club in 2004 as a Working breed.