In Episode 218, Rowlf learns that Fozzie could play the piano, and they play the piano together in a performance of " English Country Garden ".

In 1984, Baby Rowlf debuted playing a toy piano during a musical number in The Muppets Take Manhattan.

For several years afterward, the character was retired out of deference to Henson's memory as he was both the first Muppet to achieve popularity and, according to some sources, the character closest to Jim Henson's personality, with his son Brian saying in the introduction to episode 117 of The Muppet Show " Kermit was my father's best known character, but a lot of people think he was more like Rowlf in real life except he couldn't play the piano as well.

Instead, Rowlf plays the piano in the orchestra pit.

The sketch ends with Floyd sadly stating that a reunion of the Electric Mayhem is impossible without Animal and Zoot, as Dr. Teeth plays a piano duet with Rowlf the Dog and a sickly Janice coughs in the background.

* The snowman and Fozzie joke and sing the song " Sleigh Ride " when hearing Rowlf inside playing the piano.

* The home movie featuring Kermit the Frog, Miss Piggy, Fozzie, Gonzo and Scooter as babies singing " Santa Claus Is Coming to Town " with baby Rowlf playing a toy piano.

Fozzie also appeared in two Veterinarian's Hospital sketches, in which Rowlf starred as Dr. Bob.

Rowlf was built in 1962 for Purina Dog Chow commercials, in which he appeared with Baskerville the Hound.

Rowlf was featured on the # 7 Sirius Dodge of Casey Atwood in the 2002 Tropicana 400 in an advertising campaign in which he and his fellow Muppets were featured on a select few race cars.

" Rowlf the Dog plays charades with Freddie Garrity, Hermione Gingold, Marty Allen, and Mike Douglas.

Fozzie Bear and Rowlf the Dog perform " English Country Garden " on episode 2. 18 of The Muppet Show

Fozzie was also frequently teamed up with Rowlf the Dog.

Fozzie Bear and Rowlf the Dog perform " English Country Garden " on Episode 218 of The Muppet Show

During the latter number, Rowlf attempts to help Fozzie with his singing but is finally reduced to changing the hapless bear's lyrics to " I Don't Got Rhythm.

" The young incarnations of Fozzie and Rowlf are also frequently paired together on Muppet Babies.

The series stars Kermit the Frog, Miss Piggy, Fozzie Bear, Animal, Scooter, Skeeter, Rowlf the Dog, and Gonzo as the main muppets.

While Piggy sang, baby versions of Rowlf, Fozzie, Scooter, and Gonzo acted as backup singers.

* Bill Barretta-Behemoth, Big Mean Carl, Bobo the Bear, Clueless Morgan, David Hoggselhoff, Doglion, Elvises, Ernst Stavros Grouper, Hands of Dr. Phil van Neuter, Howard Tubman, Johnny Fiama, J. P. Grosse, Pepe the King Prawn, Rowlf the Dog, Snookie Blyer, Zippity Zap, Zeus

* Bill Barretta as Pepe the King Prawn, Rowlf the Dog, Swedish Chef, Johnny Fiama, Bobo the Bear, Lew Zealand, Howard

Rowlf made a rare live appearance on Late Night with Jimmy Fallon, where he sings the " 8 maids a milking " line for The Twelve Days of Christmas number.

Dr. Teeth only sings lead vocals on the second Muppet pilot and during the first season and these songs were only written before Rowlf had become firmly established as the regular Muppet pianist.

Rowlf the Dog sings with Mike Douglas and Carmel Quinn.

Carmel Quinn sings with Rowlf the Dog.

Florence Henderson sings to Rowlf the Dog.

Hermione Gingold sings " Thank Heaven for Little Dogs " to Rowlf the Dog.

" Mike Douglas sings " You're Nobody ' Till Somebody Loves You " to Rowlf the Dog.

Rowlf the Dog sings " You and I and George " to Donna McKechnie.

The shot of Rowlf and Zoot were replaced with a shot of a new Zoot puppet.

* Veterinarian's Hospital – Parody of the soap opera General Hospital and other medical dramas, consisting of Dr. Bob ( Rowlf ) cracking corny jokes in the operating room with Nurses Piggy and Janice, much to the bemusement of the hapless patient.

* Country Music with the Muppets-Hosted by Rowlf at a barnyard radio station, with guest stars Mac Davis, John Denver, Crystal Gayle, Loretta Lynn, Roger Miller, Roy Clark, Johnny Cash, Roy Rogers, and Dale Evans.

* Rowlf's Rhapsodies with the Muppets-Hosted by Rowlf, with guest stars Marisa Berenson, Peter Sellers, George Burns, and Steve Martin.

* Singer, actor, and sausage entrepreneur Jimmy Dean, known for his sketches with Jim Henson's Muppet Rowlf the Dog.

The program also featured comedy and a variety of popular music artists, and Dean's sketches with one of Jim Henson's Muppets, Rowlf the Dog.

Rowlf the Dog is a Muppet character, a scruffy brown dog of indeterminate breed with a rounded black nose and long floppy ears.

Jimmy Dean stated that the segments with Rowlf were one of the most popular parts of the show, and that Rowlf drew two thousand fan letters a week.

In 1968, Rowlf appeared with Kermit the Frog on the pitch reel for Sesame Street.

Rowlf achieved movie stardom with his appearance in The Muppet Movie ( 1979 ).

Interestingly enough, Dr. Teeth and Rowlf are remarkably similar in voice, with Rowlf's being less gravelly, but still recognizable as being very similar to Dr. Teeth.

A sketch with Polly Cramer of the Polly's Pointers column and Rowlf the Dog.

* Rowlf and Jimmy Dean ( October 8, 1967 ) – Jimmy Dean and Rowlf the Dog appear together for the last time and perform " Friendship " while doing the " herd of cows " gag.

At the end of the pitch reel, Rowlf is depicted as being eager to join the Sesame Street cast, while Kermit seems reluctant to do so ; ironically, it was Kermit who became a Sesame star, while Rowlf appeared only in one filmed segment and was never a part of the show's regular cast.