Jim Henson was a creator.
Jim Henson . He won fame for his creations , particularly Kermit the Frog , Rowlf the Dog , and Ernie , and was involved with Sesame Street for over 20 years . He also had frequent roles in Muppets films such as The Muppet Movie , The Great Muppet Caper , and The Muppets Take Manhattan , and created advanced puppets for projects like Fraggle Rock , The Dark Crystal , and Labyrinth .