Originally Posted by
Yoru
I know. I was just thinking out loud lol...i know it doesn't make much sense, but we don't really know what happened after the rock crush. I think that if the sharingan wasn't damaged by the rock fall, obito's head wouldn't be smashed either. He could have survived and messed on by madara and zetsu, so that the right side of his body isn't really his, but was modified or soothed together with the left side. We never got to see tobi's left face side afterall...
One thing we can be sure of: whoever Tobi is, he must be an Uchiha