That's actually a good...plot hole - for lack of a better word. "mViera" and "fHrothgar" might be rare, but mVii and fRonso may not. Maybe they'd be able to jump to the source somehow as new allies, just like Ukelele* did.

*I call him Ukelele because I can't ever remember his name, the white robed kid that unlocks the warring triad quests.