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.
Ryan Hamilton (comedian) Ryan Hamilton is an American stand-up comedian who uses observational, sarcastic, and self-deprecating humor. He is known as a clean comedian and his material focuses on his own experiences, including his single life, skydiving, hot air balloons, and his huge smile. He was named one of "Rolling Stone"' s Five Comics to Watch in 2012, and also has made standout appearances on "The Late Show with Stephen Colbert", "Conan", "The Late Late Show", "Last Comic Standing", Comedy Central, and Showtime.