Talk:Uniqueness/@comment-5693502-20180104231348

If the user's unique abilities/powers/traits cannot be replicated or copied then Hashirama Senju isn't a user. His Wood Release was utilised by many characters of differing backgrounds, all through essentially Gene-Splicing (or whatever power's closest to inserting DNA to gain powers).

Clans from Naruto aren't users either really for the above reasons (and due to the many power copying abilities in Naruto).

One could argue that characters with Kekkai Genkai and/or Kekkai Tota are users but again: Gene-Splicing (looking squarely at you Kabuto, Orochimaru and Madara).