" " With early and consistent training, a pit heeler can be your most loving companion and strongest guardian. Marcia Straub / Getty ImagesThe pit heeler is a powerful and energetic hybrid that combines the strength of the American Pit Bull Terrier with the intelligence of the Australian Cattle Dog, also known as the blue heeler. This crossbreed is also called a blue heeler pitbull mix, and it’s often described as a loyal, playful, and highly intelligent companion.