What cowboy spawned the lunch box craze in 1950?

The lunch box craze of the 1950s was largely sparked by the popularity of the television show "The Roy Rogers Show," featuring the iconic cowboy Roy Rogers. In 1950, a metal lunch box was produced that featured Roy Rogers and his sidekick, Trigger, which captivated children and led to a surge in demand for themed lunch boxes. This trend continued to grow, leading to a variety of designs and characters being featured on lunch boxes throughout the decade. Roy Rogers' influence helped establish the lunch box as a cultural staple for schoolchildren.