Doesn't matter. Susanoo is still Susanoo, even with legs or stabalized Shugenja-armor. The grade of perfection is irrelevant.
No, the usual Sharingan doesn't have Chuko Tomoe. Madara refers clearly to Sasukes Mangekyō. These kaleidoscope is unique of all Mangekyo Sharingan.
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It consists of straight lines~Chuko Tomoe=straight-lined Tomoe.
It's an indicator of chakra quality, so yes, it matters.
No, MS did not have straight commas. Your point about the Mangekyo reference is invalid as Ohnoiki did the same to Madara despite it clearly being EMS.
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