Rtizchnik

Rtizchnik, is a minor character in the series. He is the bodyguard for the Prime Minister of Croatia. He is known for his Russian accent, gloomy appearence, and deadpan delivery, refusal to smile or show of any type of emotion whatsoever, his use of only few words most commonly, "да" and his broken english speech pattern.

Don't Say Anything
He appeared in the background standing guard next to a door in the Croatian Prime Minister's conference room.

Wait..What?
He appears again in this episode, and it is revealed at the end of the episode that everybody died from the sight of Rtizchnik smiling.