Re: It's official Naruto is Senju
^Reasons that he could not be a Senju:
-Neither parent is implied to be Senju in any way. That's right, including Senju marrying into other families.
-Madara deliberately describes the conflict between Naruto and Sasuke as a battle of the ideals of the Uchiha and the Senju, not explicitly a battle of the 2 bloodlines.
There have been numerous theories as to why his body went all glowy and shit in other topics.
I'm not saying that there is no way he's Senju. I'm saying that there's counterevidence to it, and the points you make at best imply, at worst are completely irrelevant to the idea of Naruto being Senju.
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