And once again, Frank Oz, just like the rest of the Muppeteers, performs
characters, not voices. For some reason, some people think that Muppets are cartoons. (Yes, there's Muppet Babies, but you know what I mean).
"Frank Oz, the voice behind..."
That's only accurate with the CGI version of Yoda. I know I'm preaching to the choir here, but whenever fans or Muppeteers hear that, our reaction is universal: