Oh, I love Hulk. That is cute.
Let's see if I had a boy yorkie, I'd probably call him Bailey. I've always liked that name for some reason or another.
I think picking a name will come to you and your family. It all depends on what the puppy looks like. Also, at first don't be afraid if you love a name and want to name him that but find that it doesn't stick. It will stick after a few days. I thought the name Luna would never stick but now I love it and it fits her.
Hope my little piece of advice helps!
