David Liebe Hart
David Nkrumah Liebe Unger Hart, also credited as D.L. Hart, is an American outsider musician, street performer, sign and window painter, artist, puppeteer and actor. He is best known for his appearances on Adult Swims Tim and Eric Awesome Show, Great Job, performing bizarre puppetry and singing in a variety of voice characterizations. He is also known in the Los Angeles area for his role as a puppeteer on The Junior Christian Teaching Bible Lesson Program, a local publicaccess television cable TV program, as well as for performing with his puppet Doug the Dog just outside the Hollywood Bowl and Los Angeles Music Center after shows, where he is known to many concert goers simply as the puppet man. He has also been known at times as David Hart, David Lieber Mintz, David Unger Hart, David King Liebe Hart and DL Hart.
David was born in Chicago and grew up in Park Forest, Illinois, where his father worked for the United States Postal Service and Chicago Public Schools. His interest in the history of the railroad system was sparked at a young age but extended throughout his life. He has written several songs discussing both his personal remembrances and history of mid20th century railroad lines.
Source: Wikipedia