Gerry Matatics is a (now Sedevacantist) Catholic Convert. Before his turn to the more-Catholic-than-the-Pope side, he was a fairly able debater. Here's a debate he did against Dave Hunt, a virulent anti-Catholic.

The Debate:

	The Hunt Vs.Matatics Debate-01 Roman Catholism		1:24:20	9.6	English
	The Hunt Vs.Matatics Debate-02 Roman Catholism		1:20:25	9.2	English
	The Hunt Vs.Matatics Debate-03 Roman Catholism		0:18:01	2.6	English

This is from Dave Hunt's site, so I have no idea if it has been edited.