Shadow

Naruto Uzumaki had a twin sister, Naruko Uzumaki. At the night when the Kyuubi was sealed, it was seperated into two. The mind-consciousness-went to Naruto while the chakra went to Naruko. Naruko was hailed as the hero while Naruto was a no one. If Naruko was the 'light' then Naruto supposed he was the 'shadow'. ( Alive Minato and Kushina ) -Not a dark Naruto. Smart/strong Naruto