[BandarLover]

If I remember correctly, you cannot actually mod names into Dominions or rather, you cannot give a specific name to a specific unit. The best you can do is create a list that the game will randomly assign to units as they appear. Just turn Renaming on when you start a new game...Voila!

I'll let Sombre answer why some heroes have no item slots. My guess is he desired them to fill specific roles and thus gave them items that are already superior to anything the player could craft for them.