Villains Springfield Republican Party Mr. Burns | Birch Barlow | Lindsey Naegle | 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 Environmental Protection Agency Russ Cargill Globex Corporation Hank Scorpio | Miss Goodthighs Recurring Characters Agnes Skinner | Artie Ziff | Baby Gerald | Constance Harm | Dolph Starbeam | God | Hans Sprungfeld | Herman Hermann | Itchy | Jessica Lovejoy | Jimbo Jones | Kearney Zzyzwicz | Matt Groening | Mr. Largo | Nelson Muntz | Patty & Selma Bouvier | Senator Mendoza | Snake Jailbird | Space Mutants | Wainwright Montgomery Burns Treehouse of Horror Bart (Fly) | Count Burns | Gremlin | Groundskeeper Willie | Homer's Clones | Hugo Simpson II | Jonathan Frink Sr. | Kang and Kodos | Killer Toupée | King Snorky | Lard Lad | Muttonchop Murderer | Ned Flanders | Seymour Skinner | The Blob | The Devil | The Grand Pumpkin | Witch Marge Guest Star Characters Simon Cowell | Will Wright Other Characters Adil Hoxha | Adolf Hitler | Andy Hamilton | Bart Simpson's Creatures | Blue-Eyed Man | Bob Arnold | Captain Mordecai Barrows | Cesar & Ugolín | Cooder | Comic Book Guy (Brick Like Me) | Devan & Quenley Woosterfield | Dexter Colt | Dwight Diddlehopper | Francine Rhenquist | Frank Grimes, Jr. | French Chef | Glamorous Godfrey | Howard K. Duff VIII | Ironfist Burns | Jack Crowley | Jack Lassen | Julia | Kindergarten Teacher | Larry Kidkill | Lucille Botzcowski | Lyle Lanley | Mav & Portia | Molloy | Movementarians | Mr. Dirt | Nigel Bakerbutcher | Officer Krackney | Professor Werner Von Brawn | Rex Banner | Robotic Richard Simmons | Shadow Knight | Stanley DeGroot | Stubborn Ape | The Leader Community content is available under CC-BY-SA unless otherwise noted.
