Top Hat is another member of Fedora's group who's represented by a "Top Hat".  He also generally wears a long coat with high collar pulled up so all you see are his eyes.

Agent: Top Hat
He styles his motif from his nom de guerre Top Hat and his coterie are scientist and scholars first, combatants and operatives second. Called in to give logic to the illogical or explain the unexplainable these men and women use vague international agencies for their cover identities sweeping in and providing consultation to local leadership. Top Hat's last tasking was to make sense of the cryptic statement "There is no such thing as junk DNA" along with notes left behind for a DNA retrovirus that, when successful, provides superior characteristic upgrade to the normal NEMA in vitro process.