Insufferable Miscreant

The Insufferable Miscreant, Hindering Obstructionist is a type of Treasure Goblin, added in patch 2.2.0 of Diablo III. It is always accompanied by Vault Peons that run a distraction for it, and can summon more at will. To be easily recognized, Insufferable Miscreants have an armored grey appearance. They drop more weapons and armor than normal Goblins.