Jedi
A Jedi is a fictional character class from the Star Wars series. Jedi are warriors who use high technology and are endowed with mystical powers. They make use of "the force" which has a light side and a dark side.
Their principal weapon is the light saber, a laser-powered sword.
The greatest jedi was Yoda, a wrinkled little green alien. Other famous jedis include Obi-Wan Kenobi, Anakin Skywalker, and Luke Skywalker.