The term 'Popular Clown' can be summed up by the crossword solution 'BOZO'. BOZO is a clown character that has been popular for decades, originating in the United States in the 1940s. He is known for his red and orange hair, oversized shoes, and white gloves. BOZO has been featured in books, television shows, movies, and even video games. He is one of the most recognizable clowns in the world and continues to be a beloved figure in pop culture.