Comic Relief USA was a non-profit charity organization whose mission is to raise funds to help those in need—particularly America's homeless. It has raised and distributed nearly US$50 million toward providing assistance—including health care services—to homeless people throughout the United States. Although Comic Relief's charity work is continuous, its fundraising events were held and at irregular intervals—and primarily by Home Box Office (HBO), with comedians Robin Williams, Billy Crystal, and Whoopi Goldberg as the hosts each time. They—along with many other comedians, celebrities, and occasional politicians—perform various segments—both general-purpose and specific to homelessness—of standup comedy, sketch comedy, speeches, live music, and impressions of persons and characters—all i