What dogs are the most friendliest on Nintendogs?

It's impossible to say definitively which dogs are the "friendliest" in Nintendogs because:

* Personality is Random: Each dog's personality is randomly generated at the start of the game. While breeds may have some tendencies, it's not guaranteed that every dog of a certain breed will be friendly.

* Player Interaction: A dog's friendliness is heavily influenced by how the player interacts with it. Spending time with your dog, playing games, and training will all contribute to a happier and more affectionate dog.

* Different Versions: The specific dog breeds available, and their personalities, can vary across different Nintendogs games.

However, some breeds are often associated with being more playful, affectionate, and easy to train, which might lead to them appearing friendlier:

* Golden Retrievers: Known for being friendly, playful, and eager to please.

* Labrador Retrievers: Similar to Golden Retrievers, Labs are often seen as friendly, active, and intelligent.

* Beagles: Known for their playful and happy nature, Beagles can be affectionate and enjoy companionship.

* Poodles: Poodles are known for being intelligent, eager to please, and generally friendly.

Ultimately, the best way to find a friendly dog in Nintendogs is to spend time with different breeds, interact with them, and choose one that you connect with. Just remember that your love and attention will be the biggest factor in making your Nintendogs pup happy and friendly.