Si Robertson is a television personality and former duck call maker, best known for his role on the reality TV show Duck Dynasty. Born on April 27, 1948, in Louisiana, he is a member of the Robertson family, who gained fame for their successful duck hunting business, Duck Commander. Si is recognized for his distinctive beard, humorous personality, and love for sweet tea. In addition to his television career, Si has authored several books, sharing stories from his life and experiences. He served in the U.S. Army during the Vietnam War, which has shaped his character and outlook on life. Si's charm and wit have made him a beloved figure among fans of the show.