John Teshadactyl is a slender caveman with fair skin and a handsome face including tan-orange hair, tan-orange eyebrows and blue eyes.
As a news reporter, he wears a blue and pink-striped loin cloth and an inside white loin cloth with a dark navy blue tie.
At the premiere party at the Cinerocka Dome Theater, he wears a indigo-blue short-sleeved loin-cloth jacket that is held by a white bone as a button, and an inside white loin-cloth with a black bowtie.
Role in Hollyrock-a-Bye Baby
When Fred Flintstone watched TV, changing channels with his remote along with Barney Rubble, John Teshadactyl and Mary Hartstone from Hollyrock were shown on the talk show, Entertainment Tonight B.C. (known as E.T. B.C.) After a latest scoop on Jack Nicholstone's hairpiece, they reported a scoop where star, Shelly Millstone (Racquel Welsh), that she played femme fatale Roxanne the film, One Boulder to Fall gave the show an exclusive interview.
That night at the World Premiere in the Cinerocka Dome Theater, John and Mary appeared and reported a scoop where Mammoth Pictures was proudly premiering their latest blockbuster hit, It Came from the Tar Pits along with stars, Craig Craigmore, Christie Brickley, Billy Joelstone and also Fred and Barney in disguise walking the red carpet before going inside.
At the end of the film, after Chip and Roxy were born along with Fred, Barney, Betty, Wilma, Pearl, Pebbles, and Bamm-Bamm with his script, John and Mary appeared at the Hollyrock General Hospital with a very last exclusive and proved to other people that Hollyrock happy endings don't just happen in the movies.
- Hollyrock-a-Bye Baby - (only appearance)
- John Teshadactyl is a spoof of radio host and television presenter, John Tesh.