who made frosty the snowman

Frosty the Snowman was created by Steve Nelson and Jack Rollins in 1949. They wrote the song "Frosty the Snowman" and then created the character and story to go along with it. Frosty became a popular figure, especially among children, and has since appeared in various forms of media, including books, television shows, and movies. He has also inspired other snowmen characters, such as Olaf from the movie Frozen.