The final of the legendary dog trio to go out on my ranking, and to me Suicune is the Dog that stands out the most. In regards to Suicune, it has a beautiful design, has decent abilities, has a great movepool & has great stats. Whether it is the best dog competitively or not, it's hard to say as Entei & Raikou both have their pros as well which help a lot during a battle, but that's not why I ranked it this high. I ranked it this high because it is one I can easily remember over the other two, and I just feel it stands out more myself. Wasn't enough to make my top 5 though.
Coming in at #6 on my ranking is: