David Nkrumah Liebe Unger Hart, also known as David Liebe Hart, born on April 19, 1957, in Chicago, Illinois, is an American entertainer known for his roles as a musician, painter, puppeteer, and actor. Hart's passion for puppetry began during his youth, attending church Sunday school. He started performing with comedian Robin Williams and made an appearance on The Gong Show in 1977. Hart is best known for his appearances on Adult Swim's Tim and Eric Awesome Show, Great Job! where he performed bizarre puppetry and sang in various voice characterizations. His music career began with the release of Christian Hymns and Songs of Praise in 2004. Notable appearances include roles in films like White Cop (2014), Shrek Retold (2018), where he performed "Hallelujah", and Vampire Zombies... from Space! (2024). Hart's music often explores themes of religion, aliens, women, trains, and his tragic love life.