The Nerd said:
Well, rapping or beatboxing yoda, doesn't matter. It would look funny no matter what.
Hey, remember the video on youtube that was called something like "The Star Wars Kid"? What if Obi-Wan sees that instead?
Not a good idea.
http://news.moviefone.com/2013/05/10/star-wars-kid-now-youtube_n_3253444.html