



I'm Kao H., the breeder behind GrimLock Staffords located in North Saint Paul, MN. Our dogs excel in the ring and as beloved companions. We enjoy training our dogs, competing in conformation shows, and spending lots of time with them doing a variety of other activities! We love our dogs dearly and are so proud of their accomplishments.
Where do your breeding dogs live?
Kao has been certified by Good Dog’s screening team for responsible and trusted breeding practices. When you’re ready, reach out to ask about the puppies or anything else on your mind. You’ll get to know each other through messaging, phone, or video and pay securely, all on Good Dog.
Together, you’ll choose the puppy that’s right for you, stay in touch with regular updates, and plan how to bring your new puppy home.

Kao may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Kao offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don't hesitate to reach out to Kao directly.
When you pay and communicate on Good Dog, you’re covered by Payment Protection.
You can drive or fly to pick up your puppy from Kao.
Meet in North Saint Paul, MN
Meet at Minneapolis–St. Paul /Wold-Chamberlain Airport
Flexible meeting point
Kao can meet at a location that works for both of you
Club memberships
Kao is a member of Heartland Staffordshire Bull Terrier Club.
Kao has been a member of Good Dog for about 1 year
Kao was screened for responsible practices and has been a member since 2025.

GrimLock Staffords meets or exceeds our community standards in these areas:
Staffordshire Bull Terrier
About Jinx
Jinx is a female Staffordshire Bull Terrier. Carefully selected as a great representative of her breed, Kao decided to make her part of their program. Kao has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Excellent health testing
Excellent level
GrimLock Staffords reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Staffordshire Bull Terriers.
Hip Dysplasia
Hip testing reduces the chance of passing down hip dysplasia, which is primarily found in large breed dogs and can cause hip pain and the eventual loss of the function of the hip joint.
Elbow Dysplasia (rDVM, not registered)
Elbow testing reduces the chance of passing down elbow dysplasia, which is primarily found in large breed dogs and can cause arthritis in the elbow joint and front leg lameness.
Eye Examination (rDVM, not registered with OFA), Eye Certification (CAER, registered with OFA)
Eye testing reduces the chance of passing down a wide range of hereditary eye illnesses including retinal dysplasia, lens luxation, and glaucoma, which can cause impared vision or blindness.
L-2-Hydroxyglutaric Aciduria (L2HGA), Staffordshire Bull Terrier Type, Hereditary (Juvenile) Cataracts (HC; JC)
Genetic testing reduces the chance of passing down a wide variety of hereditary diseases of differing prevalence and severity such as Progressive Retinal Atrophy (an eye disease) and Von Willebrand's Disease (a blood disease).
Health testing is one key piece of responsible breeding and is performed on breeding dogs to prevent the presence of heritable conditions in their puppies.