Quote Originally Posted by Kranel_San View Post
Archive (The tonberry) is speculated to be Omniscient from FF5, since both wear similar robes with similar patterns.

The name Omniscient also carries a similar meaning to Archive's knowledge and role in the Occult Island story. So it's definitely not a coincidence.
And of course, Omniscient is the boss of the other side of the Forked Tower in FFV.

We are rapidly running out of FFV things to reference, to be honest.