I kinda got that same vibe off the announcer for the Collector in Guardians of the Galaxy, and from the guy who announces Thanos before he destroys half a population.
Regarding Uno, I had the thought that he might have been an incarnation of Gaidal Cain, and we might see him again when the horn is blown. Who knows, he might even get ripped out of TAR with Birgitte and walk the world in the flesh again :)