A comedian is a performer who uses humor to entertain an audience, often through stand-up routines, sketches, or improvisation. They may draw on personal experiences, societal observations, or absurd situations to elicit laughter. Famous comedians like Robin Williams and Ellen DeGeneres have made significant impacts on the comedy scene, showcasing various styles and approaches. Comedians often perform in clubs, theaters, and on television, and their work can range from light-hearted jokes to more satirical commentary on current events. The art of comedy requires not only timing and delivery but also a deep understanding of human nature and cultural nuances.