What kind of dog is Barry dog?

There is no dog named "Barry Dog" that is widely known or recognized. It's possible you're thinking of:

* Barry the Saint Bernard: This is a famous rescue dog from the Swiss Alps in the 19th century. He saved the lives of many people lost in the snow, and his story is often told in dog-related stories.

* A fictional dog: There might be a character named "Barry Dog" in a book, movie, or TV show. Can you provide any more details?

Please clarify your question so I can help you further!