Following the success of the X-Men movie, Marvels new editor in chief, Joe Quesada, turned his eye to revamping the X-Men. To this end, he hired Grant Morrison, a critically acclaimed writer known for revamping DCs Justice League with JLA and also Vertigo titles like The Invisibles. Morrisons run began with the renaming of the X-Men title as New X-Men in issue #114 and concluded with issue #154. Morrisons run showed that mutants had become more and more common, and mankind was on the path to extinction. It was Morrison who expanded the concept of the school, increasing the student body from just a few students as it had always been in the past to dozens, if not hundreds. The main cast was pared down from recent years to a team of Professor X, Cyclops, Wolverine, Jean Grey, Beast, and Emma Frost. Cyclops, who had just returned to the team after being possessed by Apocalypse (dont ask), received the bulk of the character development, something quite unusual at that time. Eschewing the typical villains, Morrison conceived of all-new threats for the X-Men. These included Cassandra Nova, Professor Xaviers evil twin, the U-Men, a group of humans who wanted to be mutants so badly that they grafted mutant organs onto their bodies, and Sublime, a sentient bacteria that manipulated events from behind the scenes. One of the best spots of Morrisons run was the creation of a new X-Man, a Chinese mutant named Xorn who possessed a star for a brain. In a controversial story, Morrison revealed that Xorn was actually Magneto all along, hiding among the X-Men and biding his time before he struck. The move was so controversial that following Morrisons departure, Marvel immediately retconned the story, revealing that Magneto and Xorn were two separate characters (more on that shortly). Almost ten years later, Morrisons run still generates headed discussion among X-fans. There are many fans, both new and old, who feel that his run marked a return to greatness for the X-Men, while others felt that he didnt understand the characters at all. Throughout the X-Mens entire fifty-year history, there is arguably no other writer regarded with as much divided and intense opinion as Morrison.