Hans Blix

When the UN wants to scare sovereign, law-abiding nations into their way of thinking, they will compose sternly written letters, which they call "resolutions". When these "resolutions" fail--they always do--the UN will send what is called an "envoy" (a non-working celebrity) to the country in an attempt to bore everyone to death. If this fails, the UN has no other options left, but the nucular one in a last ditch attempt to frighten the remaining citizens (who were not adopted by the "envoy").

The UN will then summon the Bogeyman of Diplomacy, Hans Blix