Fred Phelps is a provocateur of a different stripe. He's a Democrat (and "former" friend of Al Gore) yet the media never identifies his political affiliation (and he has even run for office).
It creates the same effect though. He clothes himself with words like "God", "Church", and "Christian" and then says and does things to discredit anything associated with him, including those words.
There are some on Freerepublic who claim to support RKBA, immigration laws, and capitalism, but when they actually post they do so in a way that discredits themselves and by extension those things they claim to support.