Universal Pictures' horror-thriller Mama took the top spot at the box office last weekend, taking in an impressive $28.1 million. The studio has released an intriguing behind-the-scenes video that shows fans how Mama herself came to life. This motion test reveals actor Javier Botet's unorthodox movements that, combined with prosthetics, makeup, and CGI hair, brought this creepy character to the silver screen in director Andres Muschietti's captivating thriller.