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. Starting as a stand-up comedian in San Francisco and Los Angeles in the mid-1970s, he is credited with leading San Francisco's comedy renaissance. After rising to fame as Mork in "Mork & Mindy" (1978–82), Williams established a career in both stand-up comedy and feature film acting. He was known for his improvisational skills.
Bob Newhart George Robert Newhart (born September 5, 1929) is an American stand-up comedian and actor, noted for his deadpan and slightly stammering delivery. Newhart came to prominence in the 1960s when his album of comedic monologues, "The Button-Down Mind of Bob Newhart", became a worldwide bestseller and reached number one on the "Billboard" pop album chart—it remains the 20th-best selling comedy album in history. The follow-up album, "The Button-Down Mind Strikes Back!", was also a massive success, and the two albums held the "Billboard" number one and number two spots simultaneously.