High Quality Content by WIKIPEDIA articles! Michael John Nelson (born October 11, 1964) is a U.S. comedian and writer, most famous for his work on the cult television series Mystery Science Theater 3000 (MST3K). Nelson was the head writer of the series for most of the show`s 11-year run, and spent half of that time playing the on-air host, also named Mike Nelson. In addition to writing books, Mike is currently part of the online movie riffing sites RiffTrax and The Film Crew alongside fellow MST3K alumns, Bill Corbett and Kevin Murphy.