Al Roker as Steve Urkel during NBC's 'Today' Halloween at Rockefeller Plaza on October 31, 2016 in New York City.

Annoying TV Characters Who Accidentally Became Fan Favorites—Most People Know Urkel, But Do You Remember The Others?


October 8, 2026 | Jamie Hayes

Annoying TV Characters Who Accidentally Became Fan Favorites—Most People Know Urkel, But Do You Remember The Others?


When The Joke Refuses To Leave

Network TV used to be full of annoying characters built to land a few quick laughs and be forgotten. Like Urkel. But sometimes they were such a hit that audiences shouted for more. Like Urkel. These oddballs, irritants, and rivals became so entertaining that writers kept finding reasons to bring them back.

How many do you remember watching? Other than Urkel, of course!

Al Roker as Steve Urkel during NBC's 'Today' Halloween at Rockefeller Plaza on October 31, 2016 in New York City.Roy Rochlin/FilmMagic, Getty Images

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Urkel Was Never Supposed To Take Over

Steve Urkel entered Family Matters as a guest character, the Winslows’ nerdy neighbor rather than the center of the series. Jaleel White later remembered fan mail piling up as Urkel’s popularity exploded. Before long, the supposed nuisance had become the show’s unmistakable breakout star.

Screenshot from Family Matters (1989–1998)Screenshot from Family Matters, ABC (1989–1998)

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Mork Turned One Weird Visit Into A Spinoff

Mork arrived on Happy Days as an alien who wanted to take Richie back to his planet, hardly an obvious long-term addition. Garry Marshall recalled that the studio audience stood and applauded Robin Williams after the episode. The reaction helped lead directly to Mork & Mindy.

Screenshot from Happy Days (1974-1984)Screenshot from Happy Days, ABC (1974–1984)

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Klinger Escaped The Guest-Star Barracks

Jamie Farr first appeared on MASH* in a guest slot, playing Klinger as a soldier desperately trying to earn a psychiatric discharge. Farr did so well that he became a regular. A comic bit built around outrageous schemes had suddenly acquired serious staying power.

Screenshot from M*A*S*H (1972–1983)Screenshot from M*A*S*H, CBS (1972–1983)

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Larry, Darryl And Darryl Would Not Go Away

Newhart’s backwoods brothers Larry, Darryl and Darryl were not intended to become series regulars. Bob Newhart said the studio audience’s enthusiastic response changed that calculation. The trio eventually became cult figures, proving that a deliberately strange running joke could become one of a sitcom’s signatures.

Screenshot from Newhart (1982-1990)Screenshot from Newhart, CBS (1982–1990), Enhanced

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Janice Made Being Annoying A Superpower

Maggie Wheeler has described Janice as crazy, annoying, persistent, and sometimes clueless, which was exactly the point. What began with a one-scene audition grew into 19 Friends appearances. Wheeler recalled that studio audiences eventually gasped, laughed, and howled when Janice unexpectedly walked in.

Screenshot from Friends (1994–2004)Screenshot from Friends, NBC (1994–2004)

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Kimmy Gibbler Turned One Day Into A Career

Kimmy Gibbler was literally introduced as the annoying next-door neighbor on Full House. Andrea Barber later said she had expected the role to be a one-day job. Instead, the character became part of Barber’s career for decades, carrying from Full House into Fuller House.

Screenshot from Full House (1987–1995)Screenshot from Full House, ABC (1987–1995), Enhanced

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Florence Johnston Needed One Big Line

Marla Gibbs originally landed only a small, single-episode role on The Jeffersons. One major punch line went over so well that Gibbs turned the appearance into a regular starring role. Florence’s sharp responses to George became far more important than the job initially suggested.

Screenshot from The Jeffersons (1975–1985)Screenshot from The Jeffersons, CBS (1975–1985)

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Sue Ann Nivens Was Too Wickedly Sweet To Lose

Betty White first appeared as Sue Ann Nivens as a guest on The Mary Tyler Moore Show. The cheerful television homemaker was built around a sly contrast between sugary presentation and cutting behavior. White kept returning, and Sue Ann remained part of the series through its final season.

Screenshot from The Mary Tyler Moore Show (1970–1977)Screenshot from The Mary Tyler Moore Show, CBS (1970–1977), Enhanced

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Cliff Clavin Was Invented As A Bar Bore

John Ratzenberger thought his Cheers audition had gone badly, so he improvised one last pitch: every bar needs a know-it-all. That idea created Cliff Clavin, the mailman who constantly supplied trivia whether anyone wanted it or not. Ratzenberger then played him through all 11 seasons.

Screenshot from Cheers (1982–1993)Screenshot from Cheers, NBC (1982–1993)

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Frasier Crane Was Supposed To Last Six Episodes

Kelsey Grammer has said Frasier Crane was originally supposed to appear on Cheers for only six episodes. The writers kept finding him funny enough to retain. A temporary complication in Sam and Diane’s relationship eventually became important enough to anchor his own hugely successful spinoff.

Screenshot from Cheers (1982-1993)Screenshot from Cheers, NBC (1982–1993)

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Lilith Sternin Started With One Very Bad Date

Bebe Neuwirth has recalled that her original Cheers audition for Lilith Sternin covered a one-scene role. The character was clinical, intimidating, and painfully uptight, while her date with Frasier went badly. That chilly comic foil kept returning and became one of the show’s most memorable personalities.

Screenshot from Cheers (1982-1993)Screenshot from Cheers, NBC (1982–1993)

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Lenny And Squiggy Broke Out Of The Background

Michael McKean and David Lander’s Lenny and Squiggy began as supporting characters on Laverne & Shirley, not its central duo. Their habit of barging into scenes turned them into breakout characters. Two background oddballs proved perfectly capable of stealing attention without becoming conventional leading men.

Screenshot from Laverne & Shirley (1976–1983)Screenshot from Laverne & Shirley, ABC (1976–1983)

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Gomer Pyle Was Booked For One Episode

Jim Nabors was initially signed to play naive gas-station attendant Gomer Pyle on The Andy Griffith Show for just one episode. Andy Griffith and producer Aaron Ruben kept finding new material for him. Nabors stayed nearly two seasons before Gomer received his own successful spinoff.

Screenshot from The Andy Griffith Show (1960–1968)Screenshot from The Andy Griffith Show, CBS (1960–1968)

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Maude Findlay Was Too Formidable For One Visit

Bea Arthur first brought Maude Findlay to All in the Family as a guest character. Her outspoken personality made her a formidable counterweight to Archie Bunker. The character proved strong enough that the guest appearance eventually led directly to the successful spinoff series Maude.

Screenshot from All in the Family (1971–1979)Screenshot from All in the Family, CBS (1971–1979, Enhanced

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George Jefferson Became More Than Archie’s Foil

George Jefferson entered All in the Family as a neighbor whose clashes with Archie gave the sitcom another combustible comic relationship. Sherman Hemsley became closely identified with the character. The role expanded into The Jeffersons, giving George a long-running series built around his own family.

Screenshot from All in the Family (1971–1979)Screenshot from All in the Family, CBS (1971–1979, Enhanced

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Ernest T. Bass Kept Shaking Up Mayberry

Howard Morris played Ernest T. Bass as an occasional visitor rather than a permanent member of Mayberry’s main cast. His rock-throwing, rule-breaking mountain man was almost designed to irritate everyone he encountered. Even with relatively few appearances, Ernest became one of the show’s most memorable comic troublemakers.

Screenshot from The Andy Griffith Show (1960–1968)Screenshot from The Andy Griffith Show, CBS (1960–1968)

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Aunt Esther Turned Insults Into Applause

Redd Foxx persuaded LaWanda Page to play Fred Sanford’s antagonistic sister-in-law, Aunt Esther, despite Page having no previous television acting experience. Their heated exchanges quickly became a favorite part of Sanford and Son. Conflict was the character’s entire comic engine, and viewers happily kept coming back for it.

Screenshot from Sanford and Son (1972–1977)Screenshot from Sanford and Son, NBC (1972–1977)

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Newman Was Designed To Be A Snitch

Wayne Knight has said his first on-camera Seinfeld job as Newman was intended as a one-off. The early idea was a building snitch connected to the landlord, someone created to make Jerry’s life harder. Knight kept returning, and Newman developed into Jerry’s gleefully petty recurring nemesis.

Screenshot from Seinfeld (1989-1998)Screenshot from Seinfeld, NBC (1989–1998)

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Frank Costanza Made Fury Funny

Frank Costanza could turn an ordinary family disagreement into a full-volume emergency. Jerry Stiller’s explosive performance became a favorite among viewers despite Frank appearing in only a fraction of the show’s episodes. The supposedly unbearable father became one of Seinfeld’s most memorable and frequently quoted characters.

Screenshot from Seinfeld (1989–1998)Screenshot from Seinfeld, NBC (1989–1998)

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Garak Was Meant To Be A One-Time Mystery

Andrew Robinson assumed his first Deep Space Nine appearance as Garak would be a one-time guest shot. Instead, the writers kept bringing the enigmatic Cardassian tailor back. His habit of answering questions with more questions made him suspicious, amusing, and eventually one of the show’s most beloved recurring characters.

Screenshot from Star Trek: Deep Space Nine (1993–1999)Screenshot from Star Trek: Deep Space Nine, Paramount Television (1993–1999)

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Spike Was A Villain Fans Refused To Hate

Spike arrived on Buffy the Vampire Slayer as a vicious vampire in a series where vampires were generally designed to be defeated. James Marsters recalled audiences quickly wanting more of him. Spike became a fan favorite, forcing the writers to keep finding new places for him in the larger story.

Screenshot from Buffy the Vampire Slayer (1997–2003)Screenshot from Buffy the Vampire Slayer, The WB (1997–2003)

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Fonzie Was Supposed To Stay On The Edge

Henry Winkler has said Fonzie was meant to be a peripheral Happy Days character, not the center of the show. Audience response changed everything. Producers even considered renaming the series Fonzie’s Happy Days, while Winkler began receiving staggering quantities of fan mail.

Screenshot from Happy Days (1974–1984)Screenshot from Happy Days, ABC (1974–1984)

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Reverend Jim Graduated From Guest Spot To Ensemble

Christopher Lloyd has recalled that Taxi first called him for a guest appearance during its first season. By season two, Reverend Jim Ignatowski had joined the regular group. The spaced-out former minister became much more than a quick caricature, eventually earning Lloyd two Emmy Awards.

Screenshot from Taxi (1978 - 1983)Screenshot from Taxi, ABC (1978–1983)

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The Best Irritants Create Their Own Gravity

The common thread is not simply that these characters were loud, strange, or difficult. Each created comic pressure that the regular cast could react against, while the performer supplied something audiences wanted again. On television, the character who ruins everyone else’s day can sometimes make the episode.

Screenshot from Seinfeld (1989-1998)Screenshot from Seinfeld, NBC (1989–1998)

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Sources: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26


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