 Comic Relief USA was a non-profit charity organization hosted in part by a stand-up comedian who rose to fame in what television series?
Robin Williams: Robin McLaurin Williams (July 21, 1951 – August 11, 2014) was an American stand-up comedian and actor. Robin Williams:  After rising to fame as Mork in "Mork & Mindy" (1978–82), Williams established a career in both stand-up comedy and feature film acting.
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