Gandalf is an Immortal Angelic being of the race of the Ainur , there are two types of the Ainur , the Valar and the Maiar which , the Valar are the greater Ainu , the Maiar are the lesser Ainu , Gandalf is a Maia , The Valar have their own groups of the Maiar , Gandalf 's name in Valinor was Olorin where the vast majority of the Ainur are inhabited ...
A dog is considered a puppy until they are about 2 years old. Many people say one year old but a dog is not done developing by 1 year of age. It also depends on the breed of dog. Smaller breeds are done developing sooner where as large breeds take at least a year more.
Unlike humans, there is no legislation that says that at insert-local-legal-age-here a dog becomes an adult. However, there is a lot of information (mostly on food) that is different depending on if your dog is a puppy or an adult. At 11 months old, I have no idea if my dog is a puppy or not!