I think this should be in the Named Characters as the Shadow Broker from ME2. The reason for that is You see another Yahg in ME3, it doesn't wear clothing, they're wild animals, this is the Shadow Broker who happens to be a Yahg, but clothed.
Hell yes! I'm sure he's hinding them in his belly or something... all we have to do is get him to puke them up! Then we introduce the galaxy to space santa... Fuck yeah.
we just have to fight him and find out