Question: The Fantastic Miss Piggy Show guest starred the character created by which performance artist?

Context paragraphs:
Frank Oz: Frank Oz (born Frank Richard Oznowicz; born May 25, 1944) is an English-born American puppeteer, filmmaker and actor.  His career began as a puppeteer, where he performed the Muppet characters of Miss Piggy, Fozzie Bear, Animal, and Sam Eagle in "The Muppet Show", and Cookie Monster, Bert, and Grover in "Sesame Street".  He is also known for being the puppeteer and voice of Yoda in the "Star Wars" films.

Tony Clifton: Tony Clifton is a character created by late performance artist Andy Kaufman, who also portrayed him in the late 1970s.  Characteristic of the many elaborate hoaxes and practical jokes Kaufman concocted, Clifton was not exclusively portrayed by Kaufman.  Others, mainly longtime Kaufman friend Bob Zmuda, also performed the role.

Brad Darrach: Brad Darrach (real name Henry Bradford Darrach Jr.; 1921–1997) was a journalist and film critic.  A 1942 graduate of the University of Pennsylvania, he joined Time Inc. in 1945 after working for the Baltimore Sun and the Providence Journal.  He wrote for Time Inc. magazines including "Time", "Life", "People" and "Sports Illustrated".  During a career which spanned the 1940s to the 1990s, he profiled such notables as Elizabeth Taylor, Marlon Brando, Frank Sinatra, Fred Astaire, Barbra Streisand, Robin Williams, Bill Cosby, Jack Nicholson and Miss Piggy.  His 1955 "Time" cover story on Marilyn Monroe, based on a chaste 10-hour interview in her hotel bed while she was filming "Bus Stop", was the first to report on the star’s traumatic childhood; in 1984, he wrote: "Out it came for the first time, the whole hideous mess: the foster homes, the religious sadists who threatened her with hellfire, the child molester who raped her when she was 6.  Simply to remember was agony for Marilyn.  Sometimes she was racked with sobs; sometimes she choked on anger and disgust.  Sometimes tears filled my eyes too."  For a 1995 Life Magazine photoshoot with Michelle Pfeiffer, he held the Hope Diamond in his hand.

Miss Piggy: Miss Piggy is a Muppet character known for her breakout role in Jim Henson's "The Muppet Show".  Since her debut in 1976, Miss Piggy is notable for her volatile diva personality, tendency to use French phrases in her speech and practice of karate.  She was also known for her on-again/off-again relationship with Kermit the Frog, which began in 1978 and has been on a hiatus since 2015.  Frank Oz performed the character from 1976 to 2000 and was succeeded by Eric Jacobson in 2001.

Muppet Babies: Jim Henson's Muppet Babies, commonly known by the shortened title Muppet Babies, is an American animated television series that aired from September 15, 1984 to November 2, 1991 on CBS.  The show portrays childhood versions of the Muppets living together in a nursery under the care of a human woman called Nanny.  Nanny appears in almost every episode, but her face is never visible, only the babies' view of her pink skirt, purple sweater, and distinctive green and white striped socks is shown.  The idea of presenting the Muppets as children first appeared in a dream sequence in "The Muppets Take Manhattan" (1984), released two months before "Muppet Babies" debuted, in which Miss Piggy imagined what it would be like if she and Kermit the Frog had grown up together.

Muppet Adventure: Chaos at the Carnival: Muppet Adventure: Chaos at the Carnival is a video game released for the Nintendo Entertainment System in 1990 by Hi Tech Expressions.  It is a conversion of a game originally released for the Apple II, Commodore 64 and MS-DOS platforms in 1989.  The game features Muppets created by Jim Henson in a series of carnival-inspired mini games searching for enough keys to rescue Miss Piggy from Dr. Grump.  These mini games include Bumper Cars, Funhouse, Tunnel of Love, Duck Hunt and Space Ride.

The Fantastic Miss Piggy Show: The Fantastic Miss Piggy Show is a one-hour special that aired on ABC on September 17, 1982.  It guest starred John Ritter, George Hamilton, and Andy Kaufman (as "Tony Clifton")

The Sesame Street Dictionary: The Sesame Street Dictionary is an illustrated children's dictionary featuring Muppet characters from the popular television show "Sesame Street".  First published in 1980, it contains short definitions and sample sentences for around 1300 words, each accompanied by an illustration featuring a character from "Sesame Street".  In 1986, the dictionary was also issued as an 8-volume set under the title Big Bird's Sesame Street Dictionary.  Kermit the Frog's nephew Robin the Frog makes a cameo in this book on the page "frogs", also Miss Piggy makes a cameo in the book on the page "magazines" on a book called "Stars".

Muppet Kids: Muppet Kids (fully titled "Muppet Kids Reading and Thinking Series") is a series of educational video games developed by Jim Henson Interactive, published by Brighter Child and distributed on some CDs by Encore Software.  The games were released in both US, UK and France.  The games were reissued in 2004 and included video clips from "The Muppet Show".  Characters featured in the games are Kermit, Miss Piggy, Animal, Gonzo, Fozzie, Bean Bunny, Rolf, Janice, Skeeter and Scooter.

Waiting at the Church: "Waiting at the Church" is a popular British music hall song written by Fred Leigh (words) and Henry Pether (music) for Vesta Victoria.  It is sung by a bride-to-be who has given her fiancé, Obadiah Binks, all her money to buy a ring or a house only to be left "waiting at the church", and finds out the truth when Obadiah sends her a note telling her he is already married.  It has featured in a number of films since the earliest days of cinema.  The silent film "Waiting at the Church" featured a performance by Victoria as she acted out the lyrics.  Several other silent films were made to accompany recordings of the song.  Sound films which use the song include "Here Come the Huggetts", "Millions Like Us" and "I Thank You".  Richard Thompson included it on his album "1000 Years of Popular Music".  It has also been covered many times, including by Julie Andrews and Miss Piggy.

Supporting paragraphs: The Fantastic Miss Piggy Show Tony Clifton
Answer: Andy Kaufman