From Simpsons Wiki

Local Government

• "Diamond Joe" Quimby (Dan Castellaneta), "Bart Gets an F", mayor
  • Martha Quimby (Maggie Roswell), mayor's wife
  • Unnamed, mayor's numerous mistresses
  • Unnamed, mayor's secret other family
  • Unnamed, mother
  • Freddy Quimby (Dan Castellaneta), "The Boy Who Knew Too Much", mayor's nephew, troublemaking playboy
  • Clovis Quimby, mayor's brother
  • Roxie, mayor's secretary
  • Big Tom, mayoral bodyguard
  • Ernie, mayoral bodyguard
• Lou (Hank Azaria), police sergeant, briefly promoted to chief of police
  • Amy, Lou's ex-wife
• Eddie' (Harry Shearer), police officer (briefly promoted to "Lou")
• Pete, undercover officer assigned to infiltrate the local Mafia
  • Officer Steve Grabowski, New York City police officer, Homer was supposed to wait by his car for him.
• Unnamed, city councilmen seen in "Homer's Odyssey"
• Rex Banner (Dave Thomas), "Homer vs. the Eighteenth Amendment", briefly replaced Clancy Wiggum as police chief
• Police dogs Bobo, Scraps, Sniffy, and Laddie
• Ray Patterson (Steve Martin), "Trash of the Titans", sanitation commissioner
• Judge Multon, veteran judge
• Judge Roy Snyder (Harry Shearer), veteran judge
• Judge Constance Harm, "The Parent Rap", newer judge

Local Criminals

• Snake Jailbird (Hank Azaria), "The War of the Simpsons", criminal
  • Jeremy Jailbird, Snake's son
  • Gloria, Snake's girlfriend and possibly Jeremy's mother
• Robert "Sideshow Bob" Underdunk Terwilliger (Kelsey Grammer), "The Telltale Head", reformed attempted murderer
• Cecil Terwilliger (David Hyde Pierce), "Brother from Another Series", Sideshow Bob's brother
• Jimmy The Scumbag, failed small time crook
• Lucille Botzkowski or Mrs. Botz, "Some Enchanted Evening", Babysitter Bandit
• Molloy (Sam Neill), "Homer the Vigilante", the "Springfield Cat Burglar"
• Dr. Colossus, "Lisa vs. Malibu Stacy", supervillain
• Lyle Lanley (Phil Hartman), "Marge vs. the Monorail", conman
• César and Ugolin, "The Crepes of Wrath", French winemakers

Springfield Mafia

• Don Vittorio DiMaggio, "Homie the Clown", godfather
• Marion Anthony "Fat Tony" D'Amico (Joe Mantegna), "Bart the Murderer", mob boss
• Joey, mob henchman
• Legs, "Bart the Murderer", mob henchman
• Louie, "Bart the Murderer", mob henchman
• Johnny Tightlips, mob henchman
• Frankie the Squealer, mob henchman/informant
• Koopster, mob servant

Business figures

Business owners

• Moe Szyslak (Hank Azaria), "Simpsons Roasting on an Open Fire", Dutch owner and proprietor, unlicensed surgeon
• Comic Book Guy neé Jeff Albertson (Hank Azaria), "Three Men and a Comic Book", owner of the Android's Dungeon Comics & Baseball Card Shop
• Herman (Harry Shearer), "Bart the General", one-armed veteran, owner of Herman's Military Antiques
• Jack Larson, president of Laramie Cigarettes
• Akira (George Takei, Hank Azaria), "One Fish, Two Fish, Blowfish, Blue Fish", restaurateur and part-time martial-art teacher
• Luigi Risotto (Hank Azaria), Italian American restaurateur
• Captain Horatio McCallister or the Sea Captain (Hank Azaria), "New Kid on the Block", restaurateur and charter boat operator
• Howard K. Duff VIII, owner of Duff Beer and the Springfield Isotopes
• John (John Waters), "Homer's Phobia", owner of antiques and collectibles store in the Springfield Mall.
• Goose Gladwell, "Fat Man and Little Boy", eccentric Willy Wonkaesque clothing and novelty store entrepreneur
• Arthur Fortune, Springfield billionaire, rival to Mr. Burns
• Frank Ormand (Jack Lemmon), "The Twisted World of Marge Simpson", pretzel franchise owner, deceased
• Hanz the businessman, "Burns Verkaufen der Kraftwerk", purchases the nuclear power plant with Fritz for US$100,000,000 from C. Montgomery Burns.
• Fritz the businessman, "Burns Verkaufen der Kraftwerk", purchases the nuclear power plant with Hanz for US$100,000,000 from C. Montgomery Burns
• Belle (Tress MacNeille), "Bart After Dark", burlesque house madam
• Mr. Costington (Dan Green), "Kill Gil", Costington owner
  • Unnamed daughter to Mr. Costington
• Seth "D'oh-in In The Wind", a former hippie who knew Homer's mother and father, and now owns a juice company.
• Munchie "D'oh-in In The Wind", also a former hippie, who is Seth's business partner and friend.
• Chinese couple (wife is named Sheila), owns a chinese resteraunt
• Arty Ziff, owner of ZiffCo. Had an obsession with Marge and took her to a re-creation of their high-school prom.

Employees

• Lionel Hutz (Phil Hartman), "Bart Gets Hit By a Car", lawyer, may be incompotent, but managed to win at least some cases. (character retired due to death of Phil Hartman)
• Gil Gunderson (Dan Castellaneta), "Realty Bites", incompetent lawyer and salesman.
  • Unnamed ex-wife.
• Colonel Antoine "Tex" O'Hara, also known as "Rich Texan".
  • Paris Texan, daughter
    • Unnamed dog
• Squeaky Voiced Teen né Jeremy Peterson (Dan Castellaneta), "Brush with Greatness", fills various positions at entry-level part-time jobs around Springfield, son of Lunchlady Doris.
• Professor John Frink (Hank Azaria), "Old Money", scientist, inventor, entrepreneur, and former lecturer at the University of Springfield.
  • * John Frink, Sr. (Jerry Lewis), "Treehouse of Horror XIV", swashbuckling scientist, zombie and serial murderer (non-canon).
  • *Unnamed son.
  • *Unnamed wife.
• Hans Moleman (Dan Castellaneta), "Principal Charming", elderly recurring character.
• Duffman né Barry Duffman né Sid (Hank Azaria), "The City of New York vs. Homer Simpson", product promoter.
• The Seven Duffs: Sleazy, Queazy, Edgy, Surly, Tipsy, Remorseful, and Dizzy.
• Lindsey Naegle (Tress MacNeille), "The Itchy & Scratchy & Poochie Show", entrepreneur and executive.
• Cookie Kwan (Tress MacNeille), "Realty Bites", successful realtor.
• The Yes-Guy (Dan Castellaneta), restaurateur, waiter, salesclerk, and election-day poll worker.
• Wiseguy (Hank Azaria), holder of numerous jobs around Springfield.
• "Mom", employee of Mom and Pop's hardware store, onetime girlfriend of Squeaky Voiced Teen.

Doctors

• Dr. Nick Riviera (Hank Azaria), "Bart Gets Hit By a Car", incompetent doctor
• Dr. Wolfe, "Last Exit to Springfield", dentist
• Dr. Marvin Monroe (Harry Shearer), "There's No Disgrace Like Home", psychiatrist, once thought to be deceased but actually very ill
• Dr. Foster (Hank Azaria), "Hurricane Neddy", psychiatrist
• Dr. Sally Waxler, "Sideshow Bob's Last Gleaming", psychiatrist
• Dr. Molly Cosmos, cosmetic surgeon
• Dr. Steve, chiropractor
• Dr. Steffi, unseen chiropractor
• Dr. Stacey Swanson, (Meg Ryan), "Yokel Chords", psychiatrist.
• Dr. Zweig (Anne Bancroft), "Fear of Flying", psychiatrist
• Unnamed Veterinarian, "Dog of Death"

Media personalities

also see Springfield Media

The Krusty the Clown Show

• Krusty the Clown née Herschel Schmoikel Pinkus Krustofski (Dan Castellaneta), The Tracey Ullman Show shorts, entertainer
  • Rabbi Krustofski (Jackie Mason), "Like Father, Like Clown", rabbi and Krusty's formerly estranged father
  • Sophie (Drew Barrymore), "Insane Clown Poppy", Krusty's illegitimate daughter
  • Unnamed, infant son
  • Josh, Krusty's nephew
  • Lois Pennycandy (Pamela Hayden), "Like Father, Like Clown", Krusty's personal assistant
  • Luke Perry, "Krusty Gets Kancelled", Krusty's half-brother and one-time "Sideshow"
• Sideshow Mel (Dan Castellaneta), "Itchy & Scratchy & Marge", Melvin Van Horn. Assistant to Krusty the Clown.
• Sideshow Raheem, former "Sideshow".
• Louis "Mr. Teeny" Toot, trained monkey
• Corporal Punishment, "Itchy & Scratchy & Marge", background character
• Tina Ballerina, background character
• Ms. No Means No, "'Round Springfield, mandatory Krusty add-on after a sexual harassment suit.
• The Grumple, "Kill Gil: Vols. 1 & 2", performer in Krusty's Christmas-on-ice special, Homer's enemy
  • Unnamed, Grumple's wife and two children
• The Rib-wich Ribbit, Matrix Poochy and Candy Kevin, "Kill Gil: Vols. 1 & 2", performers in Krusty's Christmas-on-ice special

The Itchy & Scratchy Show

• Itchy (Dan Castellaneta), The Tracey Ullman Show shorts, anthropomorphic blue mouse, main character on The Itchy and Scratchy Show
• Scratchy (Harry Shearer), The Tracey Ullman Show shorts, anthropomorphic black cat, main character on The Itchy and Scratchy Show
• Poochie (Dan Castellaneta), "The Itchy & Scratchy & Poochie Show", anthropomorphic beagle, temporary character on The Itchy and Scratchy Show
• Roger Meyers, Jr. (Alex Rocco, Hank Azaria), "Itchy & Scratchy & Marge", chairman of Itchy and Scratchy International
• Roger Meyers, Sr., "Itchy & Scratchy Land", founder of Itchy and Scratchy International
• Chester J. Lampwick (Kirk Douglas), "The Day the Violence Died", creator of Itchy and cartoon violence
• June Bellamy (Tress MacNeille), "The Itchy & Scratchy & Poochie Show", the voice of cartoon characters Itchy and Scratchy

Other television shows

• Kent Brockman né Kenny Brockelstein (Harry Shearer), "Krusty Gets Busted", anchorman for KBBL-TV Channel 6
  • Unnamed, sister, CNN Washington correspondent
  • Unnamed, daughter
• Scott Christian, substitute anchor for Kent Brockman
• Arnie Pie,"Arnie in the Sky" Channel 6 traffic helicopter reporter.
• Pedro Chespirito or Bumblebee Man (Hank Azaria), Spanish language television host on KMEX-TV "Canal Ocho"
  • Emma (Maggie Roswell), "22 Short Films About Springfield", Bumblebee Man's ex-wife.
• McGarnigle, TV police officer who solves crimes in his spare time
• Gabbo, "Krusty Gets Kancelled", television puppet who was cancelled after insulting Springfield on air
• Booberella, a scary-movie-marathon hostess. Parody of Elvira, she appears in the episodes Fraudcast News and I'm Spelling as Fast as I Can.
• Princess Kashmir, "Homer's Night Out", regular on Springfield Squares
• Opal, talk-show hostess
• Knightboat, crime solving boat
• Richard Dean Anderson ('As himself), actor in Stargate SG-1 and MacGyver
• Godfrey Jones, host of an investigative show
• Gentle Ben, bear, host of a daytime talkshow
• Mrs. Bellamy, a.k.a. Carmen Electra, elderly woman portrayed on "Frame Up," reality TV show
• The man with the braces, host, "Frame Up"

Film Stars

• Troy McClure (Phil Hartman), "Homer vs. Lisa and the 8th Commandment", washed-up movie star (character retired due to death of voice actor)
  • MacArthur Parker (Jeff Goldblum), "A Fish Called Selma", McClure's agent
  • Dolores Montenegro, actress and frequent co-star of Troy McClure
• Rainier Luftwaffe Wolfcastle (Harry Shearer), "Bart the Genius", action movie star best known for his character McBain
  • Maria Shriver-Kennedy-Quimby, Wolfcastle's wife
  • Greta, Wolfcastle's daughter
  • Fritz Schnackenpfefferhausen, owner of a sausage company in whose commercial Wolfcastle first appeared on television
  • Corporal Obergruppenfuehrer Wolfcastle, announcer for Wolfcastle's late night talk show Up Late with McBain, possibly related
  • Scowie, a character from a McBain movie; was also the "music guy" for Up Late with McBain
  • Mama McBain, shown carrying a gun in a picture of her wedding day
• Buck McCoy, "The Lastest Gun in the West", aging Western cowboy legend
• Señor Spielbergo, "A Star is Burns", director
• Laszlo Panaflex, "A Fish Called Selma", unseen personality, has star on Springfield Walk of Fame
• Declan Desmond, documentary filmmaker
• Christian Charity, porn star

Radio

• Bill and Marty, radio team on KBBL-FM
• Jerry Rude, shock jock and host of "Jerry Rude and the Bathroom Bunch"
• Birchibald "Birch" T. Barlow (Harry Shearer), "Sideshow Bob Roberts", host of conservative call-in show on KBBL-AM

Musicians

• Lurleen Lumpkin (Beverly D'Angelo), "Colonel Homer", country western singer/songwriter, currently in rehab
• Rachel Jordan and Kovenant, "Alone Again, Natura-Diddily", Christian rock band
• The Larry Davis Experience, frequent live performers at local functions
• Alcatraaaz, rap musician
• Testament, a Christian Metal Band who went pop
• Cyanide, a Poison cover band
• Hooray for Everything, performed the Super Bowl halftime show
• Pious Riot, the converted remains of Quiet Riot
• One of the Doobie Brothers, "A Milhouse Divided"
• Tabitha Vixx, "Marge and Homer Turn a Couple Play", pop singer, wife to Buck Mitchell

Sports

• Drederick Tatum (Hank Azaria), "Homer vs. Lisa and the 8th Commandment", professional heavy-weight boxer, convicted felon
• Lucius Sweet (Paul Winfield), "The Homer They Fall", professional boxing promoter, Tatum's manager
• Professional wrestlers Rasputin the Friendly Russian (formerly the Mad Russian), Dr. Hillbilly, the Iron Yuppie, Professor Werner von Brawn, Uncle Slam, Rumblelina, Osama bin Rotten, and "The Secretary of Hate" Colin KaPow
• Captain Lance Murdock, "Bart the Daredevil", daredevil and stuntman
• The Capital City Goofball, "Dancin' Homer", baseball mascot and congressman
• Flash Bailey, "Dancin' Homer", baseball player for the Springfield Isotopes
• Anton Lubchenko, football kicker for Springfield University
• Stan "The Boy" Taylor, "Homer Loves Flanders", football player, quarterback for the Springfield Atoms
• Clay Babcock, two-time Fast Car champion
• Ronnie Beck, three-time soapbox derby champion
• Box Car Fred and other hobos, "The Homer They Fall", boxing runners-up
• Jacques (Albert Brooks), "Life on the Fast Lane", professional bowler
• Buck Mitchell, "Marge and Homer Turn a Couple Play", player for the Springfield Isotopes
• Tito, "Marge and Homer Turn a Couple Play", player for the Springfield Isotopes
• The Shrieking Sheikh, professional wrestler

Other Local Townies

• Barney Gumble (Dan Castellaneta), "Simpsons Roasting on an Open Fire", former boozehound
• Lenny Lennard Bar Pal of Homers
• Carl Carlson Bar Pal of Homers
• Arnie Gumble, "Raging Abe Simpson and His Grumbling Grandson in 'The Curse of the Flying Hellfish'", deceased
• Sam, barfly
• Larry, barfly
• Hugh Jass, customer who Bart once called as a result of a prank call that backfired
• Guy Incognito, "Fear of Flying", a man who looks exactly like Homer, though with a mustache
• Daria, Barney's occasional female companion
• Colette, former waitress
• Joey Joe-Joe Junior Shabado, friend of Barney's
• Eleanor Abernathy or Crazy Cat Lady (Tress MacNeille), "Girly Edition", mentally ill resident of Springfield.
• Ms. Albright (Tress MacNeille), "The Telltale Head", Sunday school teacher.
• Baby Gerald, "Sweet Seymour Skinner's Baadasssss Song", Maggie's nemesis.
• Jasper Beardley (Harry Shearer), "Homer's Odyssey", elderly resident of the Springfield Retirement Castle.
• Benjamin, Doug and Gary (Harry Shearer, Dan Castellaneta and Hank Azaria respectively), "Homer Goes to College", nerds.
• Blinky, "Homer's Odyssey", three-eyed fish.
• Bort, "Itchy and Scratchy Land", tourist, child.
  • Unnamed, mother (Maggie Roswell), "Itchy and Scratchy Land"
• Bort, "Itchy and Scratchy Land", tourist, adult.
• Disco Stu, (Hank Azaria), "Two Bad Neighbors", disco aficionado.
• Principal Dondelinger (Harry Shearer), "The Way We Was", high school principal during Homer and Marge's adolescence.
• Mrs. Glick (Cloris Leachman, Tress MacNeille), elderly woman, lives on Evergreen Terrace.
• God (Harry Shearer), "Homer the Heretic", deity.
• Milton "Ox" Haas, "Raging Abe Simpson and His Grumbling Grandson in 'The Curse of the Flying Hellfish'", deceased.
• Kang and Kodos, (Harry Shearer, Dan Castellaneta), aliens.
• Leon Kompowsky (Michael Jackson), "Stark Raving Dad", mental patient who thinks he is Michael Jackson.
• Lester (Nancy Cartwright), "The Day the Violence Died", Bart's nemesis, saved the Itchy and Scratchy Show.
  • Eliza, "The Day the Violence Died", Lester's sister, saved the Itchy and Scratchy Show.
• Giff McDonald, "Raging Abe Simpson and His Grumbling Grandson in 'The Curse of the Flying Hellfish'", deceased.
• Old Jewish Man or Crazy Old Man (Hank Azaria), "Krusty Gets Kancelled", resident of Springfield Retirement Castle.
• Patches and Poor Violet (Pamela Hayden, Tress MacNeille), "Miracle on Evergreen Terrace", orphans
• Asa Phelps, "Raging Abe Simpson and His Grumbling Grandson in 'The Curse of the Flying Hellfish'", deceased.
• Philip, friend of Mr. Burns.
• Polly (Nancy Cartwright), "HOMR", octo-parrot.
• Clay Roberts, a.k.a. Coach, "Home Away From Homer", moved into Flanders' house when Ned moved to Humbleton, PA
• Rover, Jimi Hendrix's dog, left with a veterinarian in the episode "Homerpalooza".
• Roy (Hank Azaria), "The Itchy & Scratchy & Poochie Show", temporary houseguest of the Simpsons.
• Rudy and Steven, football players from the team Homer and Ned coached, cut by Homer.
• Sarah, Plain and Tall, former admirer of Bart.
• Beatrice "Bea" Simmons (Audrey Meadows), "Old Money", resident of the Springfield Retirement Castle, girlfriend of Grampa (deceased).
• Jebediah Obadiah Zachariah Jedediah Springfield, a.k.a. Hans Sprungfeld (Harry Shearer), Springfield's founder
  • Shelbyville Manhattan (Hank Azaria), Shelbyville's founder
• Trent Steele (Harry Shearer), "Homer to the Max", Max Powers Nearest/Dearest Friend (According to Homer)
• Chloe Talbott (Kim Cattrall), She Used to Be My Girl, former friend of Marge.
• Unnamed, "Kill Gil: Vols. 1 & 2", "active seniors" from Scottsdale
• Unnamed leprechaun
• Mr. and Mrs. Vanderbilt (Hank Azaria and Tress MacNeille), "Saddlesore Galactica", rich, snobbish couple.
• Etch Westgrin, "Raging Abe Simpson and His Grumbling Grandson in 'The Curse of the Flying Hellfish'", deceased.
• Artie Ziff (Jon Lovitz, Dan Castellaneta), "The Way We Was", alum of Springfield High School, former software billionaire.

Deaths

• Snowball I (before series), mentioned in "Simpsons Roasting on an Open Fire", hit by car
• Snowball II, "I, D'oh-Bot" hit by car
• Snowball III, "I, D'oh-Bot" , Lisa's cat, drowned in fishtank.
• Coltrane, "I, D'oh-Bot" , Lisa's cat, fell from window.
• Bleeding Gums Murphy, "'Round Springfield", unknown illness
• Maude Flanders, "Alone Again, Natura-Diddily", fell from stands at racetrack after being hit by tee shirts
• Amber Simpson (Homer's "Vegas wife"), "Jazzy and the Pussycats", overdose
• Frank "Grimey" Grimes, "Homer's Enemy", electrocuted by high voltage wires.