Si Robertson
Silas Merritt "Si" Robertson (born April 27, 1948), often referred to as Uncle Si and Si, is an American television personality, preacher, hunter, outdoorsman, former U.S. Army Soldier, and duck-call maker at Duck Commander. He is best known for his role on A&E's Duck Dynasty, on which he has emerged as the breakout character. He has also appeared on other shows such as the Outdoor Channel's Buck Commander.