William Winckler is an American actor, businessman, director, producer, and independent filmmaker best known for writing, producing and directing cult movies, horror films and English dubbed animation. He is the son of child actor Robert Winckler.

Ultraman Zero THE MOVIE Super Decisive Battle! Belial Galactic Empire is a 2010 Japanese superhero film in the Ultra Series to celebrate the franchise's 45th anniversary. It serves as a sequel to Mega Monster Battle: Ultra Galaxy Legend The Movie. The catchphrases for the movie are "Kaiser Belial descent. Zero, fight with light!" and "This is our light!".