Originally Posted by The Special One
Back on topic: If you explain how Tobi is the consciousness of the Juubi given form, I'd be more inclined to consider your position.
Simple, When the Juubi was sealed into the moon(after RS being it's jinchūriki), it left a fraction of it's chakra within Rikudou Sennin so that when RS died it's fraction would die out and be reborn to manifest into a form that consciousness wished it to be and that form would be Tobi. This is similar to when they told that if the kyuubi were to die(through death of jinchūriki) it would be reborn over a period of time.) Since the Juubi had chakra that wasn't sealed i.e the part that leaked out of RS when he died, that would allow the Juubi to use the chakra as a medium to enact it's will, giving it a shape, life and inevitably it's consciousness. Since the Juubi has an immense amount of chakra it would make sense that Tobi could not run out of chakra that easily. Also the fact that chakra can manifest into different things is supported by the bijuu. Bijuu are basically chakra yet the kyuubi has kyuubi meat.