Black Zetsu talk so much crap..

[VongolaX]

Black Zetsu to Poor Obito " you Useless Scum " lol

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Finally Someone put Obito in his Place

in the end we all know that Obito will be Dead as a Fodder Without Madara's Creation ( Zetsu )

Madara was babysitting Both Obito + Nagato

they were supposed to be Fodders without Madara Power​

Obito had both uchiha and senju DNA

So the rinnegan didn't make a significant difference since both dna's allows you to use rikudou techniques