An advertising company employed by General Mills and Company suggested marketing the new cereal around the idea of charm bracelets. Thus, the charms of Lucky Charms were born. Lucky Charms is the first cereal to include marshmallows in the recipe. The mascot of Lucky Charms, created in 1963, is Lucky the Leprechaun, also known as Sir Charms, and originally called L.C. Leprechaun.