Yoda

Yoda is Grand Master of the Jedi Order and, although he doesn't look it, he is also one of its most skillful swordsmen. He is also Master of the Force, being able to use all forms of its power.

He was responsible for the training of all the great Jedi - Obi-Wan Kenobi, Luke Skywalker and Darth Vader. He lived on Dagobah for the last years of his life after the fall of the Jedi Order.

Youtube Clip
http://www.youtube.com/watch?v=ql1OKI0JJGQ

Yoda dances in his spare time... apparently

https://www.youtube.com/watch?v=xUlqDMcS_RE

Yoda vs Darth Sidious.