Tap-dancing missionaries, a Darth Vader cameo, violent African gangsters... Yes, the silliness of South Park creators Trey Parker and Matt Stone has taken over the Eugene O'Neill Theatre as their first-ever Broadway musical The Book of Mormon (written with Avenue Q co-creator Robert Lopez) opened on March 24. After working on the show for seven years, the comic duo was thrilled to finally reveal the show to audiences. Broadway.com caught up with Parker, Stone, Lopez and the Mormon cast at the opening night party at Gotham Hall to chat about the controversial show. Click below to see what they had to say about Mormon's raunchy humor, classic musical score and if God would actually deem this his favorite musical!