Happy Feet Two is a 2011 animated jukebox musical comedy film directed, produced and co-written by George Miller. It is the sequel to the 2006 film Happy Feet. Elijah Wood, Robin Williams, Hugo Weaving, Magda Szubanski and Anthony LaPaglia reprise their roles from the first film, with Common and Alecia Moore (P!nk) replacing Fat Joe and Brittany Murphy respectively, and Hank Azaria, Brad Pitt, Matt Damon, Sofia Vergara, and Richard Carter joining the cast. In the film, young penguin Erik, the son of Mumble and Gloria, who is reluctant to dance, runs away from home and encounters the Mighty Sven (Azaria), a tufted puffin. When the penguins are trapped by a giant wall of ice and snow, they must save Antarctica.