Design-wise, the best for me is Wolfgang. I used to have him but had to move him out for some reason.
Fang is my first ever cranky wolf. I got him through resetting the campsite 300+ times when amiibo wasn't a thing yet (I still remember the pain and agony lol) so out of all the wolves, he's probably the one I'm most attached with.
I also like Chief because he looks like a fox and orange being one of my favorite color.
I was never fond of Dobie at first because I don't like that his eyes are almost always closed but I got curious why he's popular so I tried to moved him in. Now he became one of my favorites! I like him being the grandpa of my other villagers. I voted for him, by the way