The Sound 4 were support only characters in Naruto: Ultimate Ninja Storm and again in Naruto Shippūden: Ultimate Ninja Storm Generations.(Which caused alot of negative feedback on Facebook and Twitter.)

The Sound 4 were unique characters and major antagonists in the final story arc of Part1.
The Sound4's fights against the Leaf Genin were important in the character development of Shikamaru,Kiba,Neji and Choji who are all major supporting characters.