User blog comment:BlackWizardZeref/Fairy Tail Chapter 400: Wings of Hope Review/@comment-68.83.47.203-20140917003239/@comment-31.61.136.62-20140917064759

I noticed that too. I also thought it would be more natural if the person comenting on Natsu-related stuff was Lucy.

I've seen a speculation on that matter here [], it goes rather far and wide, but who knows.

Or maybe Mashima was too lazy to draw Lucy and just recycled Juvia's picture from few pages before that ;)