Marsalis Wynghavaan is a Sartorian taxi driver who lives and works in a slum district of Milgramcyad, the capital city of Mondias, during the time of the Great Invasion.  He is tough and streetwise but also caring and protective of those he loves.  He is the partner/lover of Matilda Grimwald.  Through her, he met Sheraleen Conder.  He and Sheraleen then became friends.