Parents are OFA certified and PenHipp tested scoring above the 90th percentile. Our Bull Mastiffs are bred for health, temperament, and breed standards. The Bull Mastiff is fearless and confident, yet docile. The Bull Mastiff combines the reliability, intelligence, and willingness to please required in a dependable family companion and protector. Health Guarantee, microchip, vet certified for health, current vaccines and worming with records, new puppy kit. Champion Bloodlines.