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Robert was a peaceful boy, sickly and weak from a congenital heart defect. But then that Simpson boy started tormenting him, and he crossed over into dementia.
~ Mr. Terwilliger lying about his son on trial.

Robert Terwilliger Sr. is a supporting antagonist in The Simpsons episode "Funeral for a Fiend". He is a husband of Dame Judith Underdunk and the father of Sideshow Bob and Cecil Terwilliger. He has a daughter-in-law named Francesca and a grandson named Gino.

He was voiced by the late John Mahoney, who also played John Shaughnessy in Primal Fear and the Management in Burn Notice.

History[]

When Sideshow Bob was put on trial for trying to kill the Simpson family, his father who is a doctor claims Bart had taunted Bob so much it had caused him mental problems. This witness, followed by Bob's heartbreaking scene, eventually led everyone in the courtroom to believe it is all Bart's fault Bob is trying to kill him repeatedly. When Bart threw Bob's medication out of a window (believing it to be a biological weapon), it caused Bob to "die". In reality, Bob's father, bending above his lying son, injected him with a death simulation drug. This helped Bob to avoid the trial and conduct a complex plan to kill Bart Simpson by locking him in Bob's coffin and cremating him. However, this process was stopped by Lisa on time and Bob with his entire family ended up in prison.

Trivia[]

  • So far, Robert has only appeared once in the show and has never returned in any episodes including his son Bob, much like the rest of the Terwilliger Family. As of now, it's highly unlikely that Robert will ever make any more appearances in the show due to John Mahoney's death in 2018.
  • The fact that he is voiced by John Mahoney is a reference to Martin Crane from Frasier. That character also has two sons played by Kelsey Grammer and David Hyde Pierce, the respective voice actors for Bob and Cecil.

Navigation[]

               The Simpsons Logo Villains

Springfield Republican Party
Birch Barlow | Lindsey Naegle | Count Dracula | Blue-Haired Lawyer | Waylon Smithers

Terwilliger Family
Cecil Terwilliger | Dame Judith Underdunk | Francesca Terwilliger | Gino Terwilliger | Robert Terwilliger, Jr. | Robert Terwilliger, Sr.

Springfield Mafia
Fat Tony | Fit Tony | Johnny Tightlips | Legs | Louie | Don Vittorio D'Maggio | Frankie the Squealer | Johnny the Snitch | Ned Flanders Sr. | Nicky Bluepants Altosaxophony | Joey | Dante Calabresi Sr. | Dante Calabresi Jr. | Primo | Shotgun Pete

Burns Family
Mr. Burns | Clifford Burns | Wainwright Montgomery Burns | Ironfist Burns

Recurring Characters
Agnes Skinner | Artie Ziff | Baby Gerald | Constance Harm | Dolph Starbeam | Gina Vendetti | God | Hans Sprungfeld | Herman Hermann | Itchy | Jessica Lovejoy | Jimbo Jones | Jack the Ripper | Kearney Zzyzwicz | Mayor Quimby | Mr. Largo | Patty & Selma Bouvier | Rich Texan | Senator Mendoza | Shauna Chalmers | Snake Jailbird | Space Mutants

Treehouse of Horror
Bart (Fly) | Zombies | Gremlin | Groundskeeper Willie | Jonathan Frink Sr. | Kang and Kodos | Killer Toupée | King Snorky | Killer Krusty Doll | Lard Lad | Muttonchop Murderer | French President | Ned Flanders | Seymour Skinner | Doris Freedman | Edna Krabappel | The Devil | Dr. Julius Hibbert | Billy the Kid | The Grand Pumpkin | The Mutants | Witch Patty & Selma | Rachel | Munchers | Death | The Pookadook | Metaluna Mutant | Steve Johnson | The Collector | Universal Monsters | Ultrahouse 3000 | Pazuzu | The Other Simpsons Family | Bart's Toys | Krusto D. Clown | Lenny Leonard | Carl Carlson | Bad Dream House | Count Dracula | Itchy and Scratchy | Artie Ziff | Snake Jailbird | Jelly Monster | Clancy Wiggum | Gary Chalmers | Mopey Mary | Gypsy | Bart's Treehouse

Homer Simpson: III | V | XXII | XIV | XIX | XVIII | XXV | XXVII | XXXIV | The Blob | The Fat in the Hat | Homerzilla | Homer's Clones

Marge Simpson: Witch Marge | XVIII

Bart Simpson: The Raven | II | IV | VII | XVI | XX | XXV | XXXI | XXXII

Lisa Simpson: XXIX | XXXIII | XXXIV

Maggie Simpson: IX | XXX | XXXIV

Mr. Burns: II | XVI | XXVII | XXXI | XXXIII | Count Burns | Burnsiverse | Lord Montymort

Waylon Smithers: II | Slithers

Moe Szyslak: XX | Moe-Looking Satan | V | XXV

Sideshow Bob: XXVI | XXXIV

Other Characters
Adil Hoxha | Adolf Hitler | Andy Hamilton | Baby Button Eyes | Bart Simpson's Creatures | Beautiful Bart | Blue-Eyed Man | Bob Arnold | Captain Mordecai Barrows | Cesar & Ugolín | Chett Englebrick | Clownface | Cooder | Comic Book Guy (Brick Like Me) | Devan & Quenley Woosterfield | Dexter Colt | Dwight Diddlehopper | Environmental Protection Agency (Russ Cargill) | Frank Grimes, Jr. | Francine Rhenquist | French Chef | George H.W. Bush | Glamorous Godfrey | Globex Corporation (Hank Scorpio, Miss Goodthighs) | Hell's Satan | Howard K. Duff VIII | Hypnotoad | Itchy & Scratchy Bots | Jack Crowley | Jack Lassen | Jay G | Joan Bushwell | The Jockeys | Julia | Kostas Becker | Larry Kidkill | Lucille Botzcowski | Lyle Lanley | Les Moore | Jim Hope | Mayor of Albuquerque | Mav & Portia | Michael De Graaf | Molloy | Movementarians | Mr. Dirt | Ms. Cantwell | Ms. Kelp | Nigel Bakerbutcher | Officer Krackney | Pa MacWeldon | Professor Werner Von Brawn | Rex Banner | Robotic Richard Simmons | Rover | Shadow Knight | Sparklemon | Stanley DeGroot | Stonecutters (Homer Gimplet)| The Leader | William Shakespeare | Paolo Paoletti

Guest Star Characters
Will Wright | Taika Waititi

Video Games
Simpsons Arcade
Mr. Burns | Mr. Smithers | Hench Dogs | Robot Burns

The Simpsons: Hit and Run
Agnes Skinner | Kang and Kodos | Mr. Burns | Patty and Selma Bouvier | Snake Jailbird | Springfield Mafia (Fat Tony & Louie) | Wasp Cameras | Waylon Smithers | Zombies

The Simpsons Game
Matt Groening | Kang and Kodos | Chocolate Rabbits (White Chocolate Rabbit) | Security Guards (The Simpsons Game) | Riot Cops | Tree Loggers | Jimbo Jones | Dolph Starbeam | Kearney Zzyzwicz | EA Executive | Stubborn Ape | King Snorky | Lard Lad | Mr. Burns | Waylon Smithers | Sideshow Bob | Selmatty | Itchy | God

The Simpsons: Tapped Out
Mr. Burns | Russ Cargill | Frankie the Squealer | Sven Holly | Evil Homer | Bandits | Count Dracula | Rich Texan | Fernando Vidal | Grampasaurus | Itchy & Scratchy Bots

See Also
Futurama Villains | Disenchantment Villains

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