yes because by sayin that there arent any heartless in bbs that means that there isnt any darkness in ppls hearts which makes everyone pure hearted an we all know thtas impossible so the creatures in bbs must be related somehow!!!! an jus because MX says that he has no darkness in him doesnt mean its true. ansem, ATW, xehanort, and xemmnas all thought they understood the darkness but they were wrong and so could mX. jus a theory