HAPPY FEET: In the great nation of Emperor Penguins, deep in Antarctica, you're nobody unless you can sing - which is unfortunate for Mumble (Elijah Wood), who is the worst singer in the world. He is born dancing to his own tune...tap dancing.; HAPPY FEET TWO: reuniting us with the world's most famous tap-dancing penguin, Mumble (Elijah Wood), the love of his life, Gloria (Alecia Moore a.k.a. Pink) and their old friends Ramon and Lovelace (Robin Williams). Mumble and Gloria now have a son of their own, Erik (EG Daily), who is struggling to find his own particular talents in the Emperor Penguin world.