Andy Richter is an American actor, writer, comedian, and television personality. He is best known for his role as the sidekick of Conan O'Brien on the late-night talk show Conan. Richter has also appeared in several films and television shows, including Arrested Development, Madagascar, and The New Adventures of Old Christine. He currently stars in the Fox sitcom, The Grinder. Richter is a popular stand-up comedian, having performed at comedy clubs across the United States.