Vir serves as Londo's assistant, although sometimes he seems little more than something for Mollari to throw things at. He is generally timid and unsure of himself, and follows Londo wherever he goes.
Vir has accompanied Londo back to Babylon 5. As Londo's right-hand man of sorts, it is presumable that even Vir himself has gained some recognition from his people and moved up the ladder.
Vir Cotto