what is the characteristic/personality between naruto and saske?

well naruto is trying to fulfill his dreams of being a hokage and he is friendly and nice.......
but sasuke is another thing like giving up his frends for strenght to see his brother die.. but he has a soft side for naruto

well from my resharch i can say that naruto and saske friendsihp goes bach a long way.Naruto admired saske's will to fiht.And saske admired naruto's lonelyness