Isaac Hayes (Chef) is no longer, exercised to death, apparently.
http://www.latimes.com/news/obituaries/la-me-hayes11-2008aug11,0,7289497.story
He was a scientologist, so there will be plenty of conspiracy theories to keep the newsgroups busy.
The only reference to Hayes in snpp is to his rendition of the theme from Shaft in an early episode. apparently, that's enough for the curse to kick in!
Paul