He was created when Cryowolf became a Heartless he was created. I woke up looking like he'd been crying and then puts a mysterious figure named KEVIN with blue letters, then scrambles the letters and puts a running X VEXKIN. Then and carry it with the Organization XIII meets a certain Axel. After a time with Organization XIII learned to use his powers for evil purposes of the Organization XIII, once he knew about his "Twin" opted to go look and know, but at the end with amnesia induced by Xemnas that the term wandering Earth who is just looking.