(Click on the image for an ever bigger version)

 

The Darklords were created by Naar, God of Evil to further his plans for the conquest of Magnamund.

The person who looks like a fly (and Lord Zedd) is Darklord Gnaag, who became Archlord after Haakon.

 

Possible identities of these 6 in the estimation of Jason Valasek on the Kai Wisdom mailing list (from left to right):

Kraagenskûl, Zagarna, Gnaag, Vashna (the Wolf), Haakon and someone else (which is which of the latter, we can't ascertain)