User blog comment:FairyRaven/Fairy Tail Chapter 325: Unity, Review and Commentary/@comment-49.176.34.54-20130330054337/@comment-6146666-20130330084144

Ill agree that it's far fetched lol and I don't think that it's likely. There might be more to it then just the hair color but I think that's the main basis for the argument if I'm not mistaken.