A few individuals from the He Moves Me Differently forum (Mello/Matt fan-fiction community) met up in Skype last night. That was the subject which soon emerged, particularly from Lua, who understands a dozen languages and therefore is quite keen on getting these things right.
Even if you don't know the stories wherein many of these characters derive, you may be able to correct the pronunciation of their names, particularly if you speak Congolese-French, Azerbaijan, Greek, Croatian and one or two more.