Warren Graff: Warren Graff. Writer: Happy Tree Friends. Warren Graff was born on 23 June 1972 in California, USA. He is a writer and actor, known for Happy Tree Friends (2000), Happy Tree Friends, Volume 3: Third Strike (2004) and Ka-Pow! (2008).
Known For: Happy Tree Friends (Writer), Happy Tree Friends, Volume 3: Third Strike (Writer), Ka-Pow! (Writer), Happy Tree Friends, Volume 2: Second Serving (Writer)