Sam McMillan (born 2 July 1983) is an Australian musical comedian and writer who performs under the stage name Sammy J. He embraces a variety of media in his comedy, including the use of video and self-composed music, and frequently collaborates with Randy the purple puppet. He has released several CDs and DVD compilations of his comic songs, most recently the album Skinny Man, Modern World which was nominated for Best Comedy Release at the 2012 ARIA Awards.