Characters and alter-egos assumed by Rowlf the Dog in Muppet productions.

Picture	Name	Production	Notes
	Sherlock Holmes	The Muppet Show episode 103	Sherlock Holmes and the Case of the Disappearing Clues: Rowlf plays Holmes to Baskerville's Watson.
	Dr. Bob	The Muppet Show recurring role	From the Veterinarian's Hospital sketches, a punning surgeon who's gone to the dogs.
	King Arthur	The Muppet Show episode 305	In the Muppet production of Camelot, Rowlf plays King Arthur.
	Caesar	The Muppet Show episode 320	During "Let's Call the Whole Thing Off," Rowlf plays Caesar.
	A chicken	The Muppet Show episode 321	Rowlf contracts Cluckitis.
	Father in "Jabberwocky"	The Muppet Show episode 506	The Muppet production of the poem "Jabberwocky" features Scooter as the young man and Rowlf as his father.
	A gobagoo	Sing-Along, Dance-Along, Do-Along video	Rowlf fails to do what he has to do, and thus turns into a gobagoo.
	Merlin	The Jim Henson Hour episode 102	In a variation on his Dr. Bob role, Rowlf plays a punning wizard.
	Elvis Presley	The Jim Henson Hour episode 107	Merlin pulls a sword out of a knight patient's head with the understanding that he will become "the King." He promptly turns into a Muppet caricature of Elvis (still sporting Rowlf's ears and voice) and sings "Hound Dog."
	Dickensian Rowlf	The Muppet Christmas Carol	Rowlf had a brief and silent role as the piano player at Fozziwig's Christmas party along with the Electric Mayhem.
	Dizzy Salami	Commercial for Esskay Meats	Rowlf plays scatting hipster Dizzy Salami of the Luncheon Meat Five.

Illustrated

Picture	Name	Production	Notes
	Alan-a-Dale	Robin Hood	Illustrated by Bruce McNally
	Alan-a-Dale	Muppet Robin Hood	Illustrated by Armand Villavert Jr. with covers by David Petersen and Shelli Paroline
	align=center | Slightly	Muppet Peter Pan	Illustrated by Amy Mebberson with covers by David Petersen and Shelli Paroline
	Merlin the Magician	Muppet King Arthur	Illustrated by James Silvani and Dave Álvarez with additional covers by David Petersen and Amy Mebberson