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The stand-up comic who cannot speak

13 April 2012 Last updated at 09:31 BST

He is a stand-up comic, but he cannot speak. Lee Ridley has Cerebral Palsy and uses a voice synthesizer to communicate.

Last year his friends encouraged him to take up comedy and two months ago he did his first show, calling himself Lost Voice Guy.

Entertainment correspondent Colin Paterson went to meet him.