Keenan Thompson is an American actor and comedian, best known for his long-running role on the sketch comedy show Saturday Night Live (SNL). He joined the cast in 2003, making him the longest-serving cast member in the show's history. Before SNL, he gained fame as a child actor on the Nickelodeon series All That and starred in the movie Good Burger. Born on May 10, 1978, in Atlanta, Georgia, Thompson began performing in local theater and comedy clubs at a young age. He has received several awards for his work, including an Emmy Award for his contributions to television. Thompson is recognized for his versatile comedic style and ability to impersonate various celebrities.