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Acting
April 19, 1957
Park Forest, Illinois, USA
David Nkrumah Liebe Unger Hart, also credited as D. L. Hart, (born April 19, 1957) is an American outsider musician, puppeteer and actor. He is best known for his appearances on Adult Swim's 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 public-access 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.

Nosferatu
2026

Ra's Al Ghul
2024

2023

Himself
2019

Himself
2017

God
2017

Dog
2015

Mayor Dennis
2014

Bob Graham
2013

Self
2012

as Nosferatu

as Ra's Al Ghul


as Himself

as Himself

as God

as Dog

as Mayor Dennis

as Bob Graham

as Self

as Self

as Self


as Himself

as Self


as Superfan