Here are some things to consider:
Pros:
* Cute and classic: Abby is a classic, endearing name that's easy to say and remember.
* Versatile: It works well for both male and female dogs, and can be shortened to "Ab" or "Abby-poo" for added cuteness.
* Good for small breeds: The name conjures up images of a sweet, playful dog.
Cons:
* Common: It's a popular name, so you might encounter other dogs with the same name.
* Not very unique: If you're looking for a distinctive name, Abby might not be the best choice.
Ultimately, the best name for your dog is one that you love and that suits their personality.
To help you decide, think about:
* Your dog's appearance: Does Abby fit with their looks?
* Your dog's personality: Is Abby playful, serious, cuddly?
* Your personal preferences: Do you like classic names, unique names, funny names?
Don't be afraid to try out different names and see what feels right.