Board Thread:Episode Discussions/@comment-24855929-20160616114031/@comment-734582-20160623091652

Bob1200 wrote: Joux, I Didn't, Because Its A Theory, I Didn't Imply Anything, lol. I Was Just Throwing Out A Theory Behind His MS And The Uzumaki Clan Symbol Since Their Basically Exactly The Same. Yes you implied it. That's what implying means.

The spiral is indeed one of the most common designs in Naruto. A clan symbol in that regard is no different from markings.