User blog comment:Omega natsu2/Chapter 368: The Third Seal, Predictions./@comment-5598380-20140120235402/@comment-24066070-20140121080657

They're both bad guys and they both use Archive, though I know it's extremely unlikely for them to be even remotely related to eachother.

Still, I'd like to know some background info of Brain.

How did he seal Zero when he was still in charge of Magic Research?

How does he seal Zero in the first place? Doubt Zero will just let anyone seal him.

How did Zero get sealed after his defeat by Natsu?

What's Brain's real name?

How did the Zero personality come into existence?

Depending on the answers to these questions, he would be one of the most interesting chars in all of FT.