Question: Name the director of the 1956 American science fiction horror film produced by Walter Wanger and whose plot elements were used in the fourth episode of the American animated television series 'South Park', called 'Goth Kids 3' which satirizes the goth, emo and vampire teen subcultures?
Sentence (from "Goth Kids 3: Dawn of the Posers"): The episode satirizes the goth, emo and vampire teen subcultures, and uses plot elements from the film "Invasion of the Body Snatchers".
Relevant evidence: Yes