Quite obvious i think.
http://finalfantasy.wikia.com/wiki/B...inal_Fantasy_V)

1. They use Axes, too.
2. They would fit as a high HP, VIT, Damage per Hit class

Dark Knight really has to be something with THM. Simply because of the common death, sacrifice theme of these jobs.
But I want Dark Knight to be its own 2Hand-Sword class, anyways.