He's adopted, close enough.
Axel can't equal Axel because Nobodies don't exist. Therefore, Axel may only be equal to "Axel == __." And by this inconvertable truth that I have proven, that the Organization is actually the Party. They will turn you into shells of your former selves, and fill you with them. Thought Police!
But if you really want to know who is the true culprit of OXIII identity games, that would be Saïx. If you remove the X, he becomes IAS, which is an acronym for "Increased Attack Speed." Therefore, Saïx's original identity was a concept of computer gaming in order to describe the possible amount of damage done by a normal attack when it is altered positively by a weapon, item, or other equipment! It's so simple, no?







