Paul Andrew "Andy" Richter (born October 28, 1966) is an American comedian and actor. He is best known for his former role as Conan O'Brien's sidekick on Late Night with Conan O'Brien. Richter was born in Grand Rapids, Michigan. He is the second of four children. He was raised in Yorkville, Illinois. While attending Columbia College, Chicago, he played in several Chicago comedy groups, including the Annoyance Theatre, before getting on Late Night.
Richter left Late Night in 2000. He said he wanted to focus on an acting career. His first major work was FOX's critically acclaimed but little watched Andy Richter Controls the Universe. It was cancelled after two short runs. His next FOX sitcom, Quintuplets, was not liked by the critics. It lasted only one season. He is married to actress Sarah Thyre. They have two children.