Rowlf the Dog was the first Muppet to reach national stardom as a cast member of The Jimmy Dean Show from 1963 to 1966. He later went on to serve as the resident piano player on The Muppet Show, also playing the silly surgeon Dr. Bob on the recurring sketch "Veterinarian's Hospital". Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.