The Dobermann, (/ˈdoʊbərmən/; German pronunciation: ) or Doberman Pinscher in the United States and Canada, is a medium-large breed of domestic dog that was originally developed around 1890 by Karl Friedrich Louis Dobermann, a tax collector from Germany. The Dobermann's lifespan is about 10–13 years on average. The breed is prone to a number of health concerns. Common serious health problems include dilated cardiomyopathy (DCM), Dog breedDobermannOther namesDoberman Pinscher,Common nicknamesDobie, DobermanOriginGermanyTraitsWeight.