A toddler Yoda Halloween costume can really complete a Star Wars themed ensemble costume for a family or a large group of children set to go trick-or-treating all together. Popular among the type of Star Wars fans who attend science fiction conventions and make fan films, dressing up as Star Wars characters has become more commonplace, especially since the release of George Lucas movie prequels starting in 1999 with Star Wars Episode I: The Phantom Menace.