Naruto Uzumaki, the plucky main protagonist of the immensely popular self-titled anime series, has participated in more than a few intense battles across his long and arduous journey to becoming Hokage. Considering just how many bouts Naruto has been a part of, it makes sense at least some would be little more than throwaway battles that don't amount to all that much, but on the other hand, there have been several fights that did a lot for Naruto's character development.