Perhaps not quite so "unnamed," as on Pg 71 of the same tome we have an "Example of Melee" involving two parties:
Party A
Aggro the Axe, a 4th level fighter
Abner, a 5th level magic-user
Arkayn, a 4th level cleric
Arlanni, a 2nd level thief
Party B
Gutboy Barrelhouse, a 6th level dwarf...