Imposing size matched with a thunderous bark fuels the intimidation factor of standoffish Bullmastiffs.
Bullmastiff
With impressive strength, endurance and powerful bark, Rottweilers pose an imposing figure to unfamiliar passersby.
Rottweiler
Known as alert guardians and police dogs, Dobermans elicit fear with sleek muscular frames, massive teeth and bark.
Doberman Pinscher
German Shepherds rank among the most intimidating breeds based on acute intelligence and physical capacity protecting territory.
German Shepherd
Media coverage unfairly casts Staffordshire Bull Terriers as aggressive despite their usual docile companionship.
Staffordshire Bull Terrier
Frosty faced, relentless Arctic sled pullers deter strangers with wolf-like features and robust 95 lb frames.
Alaskan Malamute
As imposing fighting dogs from Japan, Tosa Inus require strict supervision despite some mellowing in domestication.
Tosa Inu