It's Risk-free to mention that following somewhat digging, the concern of “which kind of Pet dog is Snoopy” could be answered only: Snoopy can be a Beagle by and through. At one among his surprise birthday events, he said, “Very well, I’ll be a brown-eyed Beagle.” Some recognizable favorites on https://www.youtube.com/watch?v=BfgqPd0nAsY