The first time you pick a name for your lovely puppy? The moment you decide which name to use then you should stick to it. It can be confusing for your puppy if you keep changing the name of your dog.
Your puppy will learn his/her name quickly if you use it often. Just call your pet’s name and never use other words which will help your puppy familiar with it and with your voice as well.
However, if you choose a long name, keep in mind that shortened version is necessary.
Above all just have fun and choose a name you really like. You puppy will undoubtely accept and become your best friend. Only you can find the right name for both of you. Just Enjoy the process of picking your puppy’s name.