German Shepherd: Known for their loyalty and intelligence, making them excellent guard dogs.
Rottweiler: Strong and protective, often used as a guard dog due to their natural guarding instincts.
Doberman Pinscher: Alert and fearless, they make effective watchdogs and protectors.
Bullmastiff: Large and powerful, they are known for their protective nature and gentle demeanor with family.
Boxer: Energetic and protective, they are good at alerting their owners to any potential threats.