Darth Vader used cybernetic parts to relieve himself since Obi-Wan Kenobi cut off his weewee and rectum on Mustafar, Luke Skywalker found his father's missing organs years later, frozen in carbonite in Obi-Wan's home on Tatooine. File:Wiki.pngThis article is a stub. You can help Darthipedia by expanding it. If you don't, we'll destroy your planet.