Rottweilers are unfriendliest dogs if not properly trained and well socialized.
Good pet ownership makes them the most loyal and obedient dogs perfect for a family.
The German shepherds can be unfriendly due to insufficient early obedience training and proper socialization.
Siberian Huskies have a reputation for being aggressive and stubborn dogs. But is it only due to a lack of good pet ownership?
Pitbulls are the most dangerous dogs known for their aggressive temperament.
These dogs need only experienced owners to handle them. Lack of proper training may cause unfriendly behavior.
The Doberman pincher is the last unfriendliest and most aggressive dog. Adequate training and socialization are essential for them.