Convincing John is a Fraggle who can convince anyone of anything. He bears more than a passing resemblance to the flashier kind of evangelical priest. His technique for persuasion involves a catchy song (assisted by his backing singers, theFragglettes) outlining a spuriously awful fate that will befall his listeners if they fail to heed his advice. According to the Fragglettes, the more verses his song has, the more convincing it will be.

Jim Henson 
Convincing John

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