Doggy Dan and the calming code is a dog training and behavior modification system that is based on the idea of providing dogs with a calm and stable environment in which they can learn. The system was created by Doggy Dan, a professional dog trainer, and is based on his years of experience working with dogs. The system is designed to help dogs learn how to behave in a variety of situations, and to provide them with the tools they need to stay calm and relaxed in any situation.