<P> Daniel C. Jacobs Jr. ( born July 7 , 1968 ) , known as Danny Jacobs , is an American actor , singer , voice artist , and comedian , best known as the voice of King Julien in The Penguins of Madagascar ( 2008 ) , Merry Madagascar ( 2009 ) , and All Hail King Julien ( 2014 ) , substituting for Sacha Baron Cohen . In Madagascar 3 : Europe 's Most Wanted ( 2012 ) , he provided Julien 's singing voice in the soundtrack . Jacobs also impersonated Baron Cohen 's character Borat Sagdiyev in Epic Movie ( 2007 ) . </P>
who does the voice of king julian in madagascar
Danny Jacobs