So if you haven’t heard, Tom Waits was on The Simpsons last night, voicing “a gravelly voiced paranoiac” prepper and joining the long list of illustrious and not-so-illustrious guest stars who’ve graced the show since it started screening way back in 1989. His appearance got us thinking about some of the more unlikely guest stars and/or performances the show has seen over the years — and so we’ve amused ourselves after the jump selecting some of our favorites, from Johnny Cash playing a psychedelic coyote to Thomas Pynchon breaking a 40-year TV silence. Did we miss any of your favorites? Go ahead and let us know. (And advance apologies for the quality of a couple of the clips — Simpsons videos are like hen’s teeth on YouTube.) … Read More