Dave (voiced by John Malkovich) unleashes the Medusa Serum, turning Skipper (Tom McGrath) and the penguin team into wild, purple-eyed mutant creatures. Get your Family Movie Pick! Watch Penguins of Madagascar here: Skipper, Kowalski, Rico and Private join forces with undercover organization The North Wind to stop the villainous Dr. Octavius Brine from destroying the world as we know it. #johnmalkovich #penguinsofmadagascar #movieclips