Desc: Green Machine: Directed by Peter Costa. The documentary "Green Machine" by documentary filmmaker and independent film director Peter Costa is a journey through the history of the Teenage Mutant Ninja Turtles franchise. The experience of those eighties cartoon is traced chronologically in this work. The characters of Peter David and Kevin Eastman come to life in this documentary that explores the Turtlemania phenomenon, the origin of the franchise and its commercial, social and cultural impact.