Ralph "RF" Furley is the name of a fictional character from the sitcom Three's Company

Three's Company

Three's Company is an American sitcom that aired from March 15, 1977, to September 18, 1984, on ABC. It is based on the British sitcom, Man About the House....

, played by Don Knotts

Don Knotts

Jesse Donald "Don" Knotts was an American comedic actor best known for his portrayal of Barney Fife on the 1960s television sitcom The Andy Griffith Show, a role which earned him five Emmy Awards...

.

Mr. Furley is the landlord of a Santa Monica

Santa Monica, California

Santa Monica is a beachfront city in western Los Angeles County, California, US. Situated on Santa Monica Bay, it is surrounded on three sides by the city of Los Angeles — Pacific Palisades on the northwest, Brentwood on the north, West Los Angeles on the northeast, Mar Vista on the east, and...

 apartment building that is owned by his brother, Bart, who acquired it from Stanley Roper

Stanley Roper

Stanley Roper is the name of a fictional character from the sitcom Three's Company and its spinoff The Ropers.-Background:In Three's Company, Stanley Roper owns and manages the apartment building in Santa Monica that is home to Jack Tripper, Janet Wood and Chrissy Snow. He has a love-hate...

. It is the home to Jack Tripper

Jack Tripper

Jack Tripper is a fictional character on the sitcoms Three's Company and Three's a Crowd, based upon the character, Robin Tripp, of Man About the House and Robin's Nest. Jack was played by the late John Ritter.-Introduction:...

, Larry Dallas

Larry Dallas

Larry Dallas is a fictional character on the 1977 - 1984 ABC sitcom Three's Company, portrayed by Richard Kline. He lives upstairs from Jack, Janet, and Chrissy/Cindy/Terri, and is Jack's best friend. He is a womanizer and often lies about his job to impress girls, from being "Playboy's best...

, Janet Wood

Janet Wood

Janet Wood is a fictional character on the television sitcom Three's Company played by Joyce DeWitt.-Fictional character biography:Janet and Chrissy shared an apartment in Santa Monica, California, and needed a third roommate to pay the rent after their old roommate, Eleanor, got married and moved...

 and Chrissy Snow

Chrissy Snow

Christmas "Chrissy" Noelle Snow was a fictional character on the sitcom Three's Company. Chrissy was played by Suzanne Somers.In the original unaired pilot to Three's Company, the character that became Chrissy was portrayed by Susanne Zenor. Zenor was not picked for the second filming, so actress...

 (later to Cindy Snow

Cindy Snow

Cindy Snow is a fictional character on the 1977-1984 sitcom Three's Company, portrayed by Jenilee Harrison during the show's fifth and sixth seasons . The cousin of the character Chrissy Snow, Cindy was phased out to make way for Chrissy's permanent replacement Terri Alden...

 and Terri Alden

Terri Alden

Terri Alden is a major fictional character during the final three seasons of the sitcom Three's Company, born in Longmeadow, Massachusetts. She is played by Priscilla Barnes and is the third "token blonde" on the show ; however, she works as a registered nurse and is portrayed as far less "ditzy"...

). Furley fancies himself a "ladies' man" and a "macho man", despite the fact he has not had a date in years.

Ralph is very subservient and seems to fear his brother.

He often wears outlandish leisure suit

Leisure suit

A leisure suit is a casual suit consisting of a shirt-like jacket and matching trousers, often associated with American-influenced fashion and fads of the 1970s.-History:...

s in very loud colors with ascots. Usually his shirts are very brightly colored. For his role as Mr. Furley, Knotts donned a toupee

Toupee

A toupée is a hairpiece or partial wig of natural or synthetic hair worn to cover partial baldness or for theatrical purposes. While toupées and hairpieces are typically associated with male wearers, some women also use hairpieces to lengthen existing hair, or cover partially exposed scalp...

.

In other media

• The character of Ralph Furley appeared in the Family Guy
  Family Guy
  Family Guy is an American animated television series created by Seth MacFarlane for the Fox Broadcasting Company. The series centers on the Griffins, a dysfunctional family consisting of parents Peter and Lois; their children Meg, Chris, and Stewie; and their anthropomorphic pet dog Brian...
  
  episodes "The Tan Aquatic with Steve Zissou
  The Tan Aquatic with Steve Zissou
  "The Tan Aquatic with Steve Zissou" is the eleventh episode of season five of Family Guy, which originally aired on February 18, 2007. After discovering Chris is being tormented by a bully, Peter goes to the bully's house to speak with him, but ends up beating him up...
  
  " and "Jerome is the New Black
  Jerome is the New Black
  "Jerome is the New Black" is the seventh episode of the eighth season of the animated comedy series Family Guy. It originally aired on Fox in the United States on November 22, 2009. The episode follows Peter, Joe and Quagmire as they go on a search for a new friend, in the absence of Cleveland...
  
  ". Both episodes were produced after the death of Don Knotts.
• Knotts also appeared as Furley in an episode of John Ritter
  John Ritter
  Jonathan Southworth "John" Ritter was an American actor, voice over artist and comedian perhaps best known for having played Jack Tripper and Paul Hennessy in the ABC sitcoms Three's Company and 8 Simple Rules, respectively...
  
  's series 8 Simple Rules for Dating My Teenage Daughter, in a dream sequence in which Ritter is playing the part of Mr. Roper
  Stanley Roper
  Stanley Roper is the name of a fictional character from the sitcom Three's Company and its spinoff The Ropers.-Background:In Three's Company, Stanley Roper owns and manages the apartment building in Santa Monica that is home to Jack Tripper, Janet Wood and Chrissy Snow. He has a love-hate...
  
  .
• Furley also appeared on "Stone Cold Crazy", an episode of That '70s Show
  That '70s Show
  That '70s Show is an American television period sitcom that centers on the lives of a group of teenage friends living in the fictional suburban town of Point Place, Wisconsin, from May 17, 1976, to December 31, 1979...
  
  , as Jackie and Fez's landlord (this was one of Knotts's final roles).