M&M’s stands for “Mars & Murrie’s.” The two ‘M’s on this candy staple represent the names of Forrest E. Mars Sr., (founder of Newark Company), and Bruce Murrie (son of Hershey Chocolate’s president William F. R. Murrie). One of the little-known fun facts about M&M’s is that it’s made with Hershey’s chocolate. Another fun fact? It’s a copycat product! Mars only had an idea for the product from seeing its British predecessor, Smarties.