Bill Hader is an American actor, comedian, and filmmaker. He was a cast member on the NBC sketch comedy series Saturday Night Live from 2005 to 2013, for which he received four Primetime Emmy Award nominations and a Peabody Award. He became known for his impressions and especially for his work on the Weekend Update segments, where he played Stefon, a flamboyant New York City nightclub tour guide. Featured, October 2005 – September 2006. Repertory, September 2006 – May 2013. Wiki link