Bitcoin is the real bitcoin no matter what will other says. Making the segwit2x and a fork this month is for bitcoin gold to pump up so after it birth it will rise up it price and then suddenly will follow her sibling bitcoin cash under.

There is no other bitcoin as the original bitcoin we have right know. When Segwit2x will start it will surely been down to failure as many are not supporting it. Coins created in s2x will become alt. and nothing can replace the original bitcoin.