User blog comment:FairyRaven/Fairy Tail Chapter 366: 1000 Souls, Review and Commentary/@comment-6904925-20140109160953/@comment-7418318-20140109174914

The aging might have been a by-product of his demonification.

I might be grasphing a straws here but I REALLY don't want him to be Gray's father. Anything would be better than a Darth Vader copy. :(