Come 2008, expect a sequel to Madagascar, again featuring the voices of Chris Rock, Ben Stiller and Jada Pinkett Smith as Marty the Zebra, Alex the Lion and Gloria the Hippo, respectively. Meanwhile, the Madagascar penguins will get their own DVD release in 2009.... Variety reports that Martin Short is in talks to play a villainous Jack Frost in The Santa Clause 3, which again will star Tim Allen as the North Pole VIP.