Here's an original (to my best knowledge) by Donald Simmons that was posted to a kind of strange thread on ncsu.general...
[Note - posted with Andy Simmons' permission. My thanks to him - ed.]
From: dasimmon@unity.ncsu.edu (Donald Andrew Simmons)
Subject: Re: Yoda Grammar
In article <4l01ke$ivr@taco.cc.ncsu.edu>,
Ravi K. Swamy <rkswamy@unity.ncsu.edu> wrote:
>
>>Ever wonder if there are others of Yoda's race, and if they speak the
>>same way?
>
>Oh, the horror.
Imagine the yoda-men in the office, around the water cooler.
Yoda 1: Hello, Bill.
Yoda 2: Morning, Hank.
Yoda 1: Finish that proposal, you did?
Yoda 2: Yes, finally. Quite a chore, it was.
Yoda 1: That Henderson, he is a slave driver, eh?
Yoda 2: Yes. To kick his ass I'd like. "There is no try, only do."
Asshole he is.