Silas Merritt “Si” Robertson (born April 27, 1948), often referred to as Uncle Si, is a backwoodsman and philosopher from Louisiana. He achieved celebrity status co-starring on A&E’s Duck Dynasty show about the Duck Commander family business. Si is a veteran of the Vietnam War. He is known for his attachment to a blue Tupperware cup his mother sent him during the war.He is the brother of company founder Phil Robertson and uncle to Willie Robertson and Jase Robertson. During less exciting parts of hunts, Si is especially known to tell stories that have stretched with fiction over the years.