Board Thread:Theories and Speculation/@comment-27717552-20160513151229/@comment-28575329-20160608004210

I find it a bit misleading to say that the chidori resulted from the rasengan, since it implies that the two are related. The way Kakashi states it, he was unable to add a change in nature to the rasengan, so he created the chidori instead. Seems we all agree though.