Board Thread:Naruto Discussions/@comment-12509038-20140730054526/@comment-25051328-20140731194513

If the person exists they have a clan, just because we don't know any other people in the clan doesn't mean they aren't in the universe, it means they aren't important to the story, and Kishi didn't want to spend the time designing intricate backstories and character designs for every single one of them.