Warning: Wikipedia contains spoilers

Characters are only listed once, normally under the first applicable subsection in the list; very minor characters are listed with a more regular character they are associated with. Subsections are ordered by size and ongoing relevance to the show.

Table of contents

1 The Simpson family members 1.1 Pets 2 Other families 3 Springfield Nuclear Powerplant 4 Springfield Elementary School 4.2 Administration 4.3 Teachers 4.4 Staff 4.5 Students 5 Government, Police, Law 6 Criminal Element 7 Local media personalities 7.6 Television 7.7 Movies 7.8 Radio 7.9 Music 7.10 Sports & Other Personalities 8 Moe's Tavern 9 Medical Practices 10 Other characters 10.11 Characters that have died during the course of the series

The Simpson family members

• Homer Jay Simpson, father
• Marjorie Bouvier Simpson, mother
• Bartholomew Jo-Jo Simpson, son
• Lisa Marie Simpson, daughter
• Margaret Simpson, baby daughter
• Abraham J. Simpson, Grandpa
• Mona J. Simpson, Homer's mother
• Selma Bouvier Terwilliger Hutz McClure, one of Marge's sisters, a twin to Patty
• Patty Bouvier, the other of Marge's sisters, a twin to Selma
• Jacqueline Bouvier, Marge's mother
• Marge's father, seen only in flashbacks
• Herbert Powell, Homer's half brother
• Abbie, Homer's English half sister

• Snowball, cat (deceased)
• Snowball II, cat (deceased)
• Snowball III, cat (deceased)
• Coltrane, cat (deceased)
• Snowball V, cat
• Santa's Little Helper, greyhound
• Laddie, border collie, super-dog, male version of Lassie, owned by Bart
• Princess, pony, owned by Lisa
• Duncan/Furious D., racehorse, owned by Homer
• Stampy, elephant, owned by Bart
• Jub-Jub, iguana, owned by Selma, inherited from Aunt Gladys Bouvier
• Chirpy Boy & Bart Junior, Bolivian tree lizards, owned by Bart
• Mojo, helper monkey, owned by Homer
• Pinchy, lobster, owned by Homer (deceased)
• Unnamed bull frog (now Australian), owned by Bart
• Unnamed fish (goldfish, koi, etc)
• Unnamed screamapillar
• Mr. Bunny, Flanders' pet rabbit disinterred by underground garbage explosion.
• Professor Know-it-All, parrot in the Springfield Mall who antagonizes Homer
• Nibbles, hamster who serves as astronaut in Homer's rocket
• Mrs. Nibbles, nervous for her husband's fate

• The Flanders family
  • Nedward (Ned), father, owner of Leftorium
  • Maude, mother (deceased)
  • Rod, son
  • Todd, son
  • Grandma Flanders (senile and decrepit many years earlier; likely deceased)
  • Ned's beatnik parents (seen only in flashbacks)
  • Related:
    • ? (Ned is known to have at least one sister)
    • ? (Ned also has a huge multi-continental extended family)

• The Van Houten family
  • Kirk, former Southern Cracker factory manager, now unemployed
  • Luann, his ex-wife
  • Milhouse, their son, Bart's best friend
  • Nana Van Houten, Milhouse's grandmother

• The Nahasapeemapetilon family
  • Apu Nahasapeemapetilon, a convenience store owner
  • Manjula, his wife
  • Their octupletss (with assumed stage names):
    • Poonam (Animal)
    • Sashi (Dazzle)
    • Pria (Punchline)
    • Uma (The Baron)
    • Anoop (the rest)
    • Sandeep (the rest)
    • Nabendu (the rest)
    • Gheet (the rest)
  • Sanjay, Apu's brother
    • Pahusacheta, Sanjay's daughter

• The Wiggum family
  • Clancy, the incompetent police chief
  • Sarah, Clancy's wife and Ralph's Mom
  • Ralph, the mentally challenged son

• The Hibbert Family
  • Dr. Julius Hibbert, the Simpson family doctor
  • Bernice, wife, in Alcoholics Anonymous
  • unnamed children including at least one son and one daughter

• The Lovejoy family
  • Timothy, reverend of First Church of Springfield
  • Helen, wife, town gossip
  • Jessica, daughter, trouble-maker

• The Spuckler (or Delroy) family
  • Cletus, slack-jawed yokel
  • Brandine, wife (and sister?)
  • children: Tiffany, Heather, Cody, Dylan, Dermot, Jordan, Taylor, Brittany, Wesley, Rumor, Scout, Cassidy, Zoe, Clo, Max, Hunter, Kendall, Caitlin, Noah, Sascha, Morgan, Kyra, Ian, Lauren, Q-bert, Phail, Condoleezza Marie, Rubella (middle name, Scabies)
  • Ma, Cletus's mother
  • DiaBetty, cousin
  • Cousin Merl, cousin
  • Curly Sue, indeterminate relative
  • Geech, smellhound

• Charles Montgomery Burns, owner
• Waylon Smithers, executive assistant, sycophant/lickspittle/toady
• Lenford "Lenny" Leonard
• Carl Carlson
• Charlie
• Zutroy
• Tibor
• Jack Marley (retired)
• Mindy Simmons (fired)
• Frank Grimes, a.k.a. Grimey (deceased)
• Executive Vice-President, heroic dog
• Queenie, chicken
• Stuart, duck
• Karl, former executive assistant of Homer
• Inanimate Carbon Rod
• Blinky, three-eyed fish mutated because of powerplant's radiation
• Assorted others
• Related:
  • Aristotle Amadopolis, owner, Shelbyville Nuclear Powerplant
  • Mrs. Burns, Montgomery's 122 year old mother
  • Larry Burns, Montgomery's illegitimate son
  • Ernest K. Smithers, father and professional predecessor to Waylon Smithers (deceased)

• Nelson Muntz, bully, known for his scornful laugh
• Jimbo Jones, bully, with wool cap
• Dolph, bully, with long bangs
• Kearney, bully, bald, divorced father of one
• Francine, bully, tormentor of Lisa
• Martin Prince, nerd extraordinaire
• Database, nerd, with curly hair
• Ham, nerd, with almost no hair
• E-Mail, nerd
• Report Card, nerd
• Cosine, nerd
• Oliver, nerd, encountered briefly when Bart was brought to their secret hideout
• Wendell, nervous student, vomits frequently
• Louis
• Richard
• Janie
• Sherrie and Terrie, purple-haired twins whose dad has a top-level position at the power plant
• Allison Taylor, Lisa's fellow-overachieving classmate
• Alexis Whitney, Lisa's super-hip classmate
• Rex, highly dramatic stage actor
• Tommy, breathtaking boy in Bart's class
• Üter, German exchange student (his demise has been implied but his character still recurs)

• "Diamond" Joe Quimby, Mayor
• Big Tom, mayoral bodyguard
• Ernie, mayoral bodyguard
• Chief Clancy Wiggum, Chief of Springfield Police
• Lou, police sergeant
• Eddie, police officer
• Various police dogs:
  • Bobo
  • Scraps
  • Laddie
• Judge Multon, veteran judge
• Judge Snyder, veteran judge, known for lenient punishment
• Judge Constance Harm, newer judge, known for vindictive punishment (a Judge Judy parody)
• Corporate Attorney, a pasty faced lawyer with blue hair
• Lionel Hutz, incompetent lawyer and one time real estate broker
• Gil, incompetent lawyer, as well as a salesman of cars, shoes, real estate, computers (a parody of Jack Lemmon's character in the movie Glengarry Glen Ross)
• Related:
  • Quimby's wife (a Jacqueline Kennedy Onassis parody)
  • Quimby's numerous mistresses, including Miss Springfield
  • Freddy Quimby, nephew, troublemaking playboy
  • Clovis Quimby, nephew (brother?)
  • Roxie, Mayor's secretary

• Snake, a recidivist crook (hold-ups, break-ins, muggings, etc.)
• Don Vittorio DiMaggio, godfather
• Anthony "Fat Tony" D'Amico, mob boss, real name Marion
• Joey, mob henchmen
• "Legs," mob henchmen
• Louie, mob henchmen
• Johnny "Tight-Lips," mob henchmen
• Frankie "the Squealer"

• Krusty the Klown, Herschel Schmoikel Krustovsky, entertainer
  • Rabbi Hyman Krustovsky, rabbi and Krusty's formerly estranged father
  • Sophie, Krusty's daughter
  • Lois Pennycandy, Krusty's personal assistant
• Sideshow Bob, Robert Underdunk Terwilliger, former sidekick of Krusty, repeat attempted-murderer
  • Cecil Terwilleger, Bob's brother
• Sideshow Mel, Melvin Van Horn, Bob's humble but eloquent replacement
• Mr. Teeny, trained monkey on Krusty's show, former minister of tourism of Brazil
• Corporal Punishment, background player on Krusty's show
• Gina Ballerina, another Krusty regular
• Kent Brockman, local anchorman for KBBL-TV (Channel 6), real name Kenny Brockelstein
• Arnie Pie, Channel 6 traffic helicopter reporter, "Pie in the Sky"
• Bumblebee Man, Spanish language television host on KMEX-TV (Channel Ocho), his real name is likely Pedro
  • Emma, Bumblebee Man's ex-wife
• Unnamed actor, the hard-nosed television character MacGarnicle in the show of the same name
• Roger Meyers, Jr., chairman of "Itchy and Scratchy International"
  • Roger Meyers, Sr., founder of "Itchy and Scratchy International"
• Chester J. Lampwick, creator of cartoon violence
• June Bellamy, the voice of cartoon characters Itchy & Scratchy

• Troy McClure, a washed-up movie star
  • MacArthur Parker, McClure's agent
• Rainer Wolfcastle, a.k.a. McBain, a famous Hollywood action hero
  • Maria, wife
  • Greta, daughter
• Buck McCoy, aging Hollywood cowboy legend

• Various radio stations include:
  • KBBL-FM, typical FM music format
  • KBBL-AM, "K-Babble," all talk radio
  • KOMA-AM, "Coma," restful easy listening
  • KFSL-FM, "Fossil," classic rock
  • KUDD-AM, country/western
  • KJAZZ-AM, mostly jazz
  • WOMB, "warm and safe radio..."
• Bill and Marty, radio team on KBBL-FM
• "Jerry Rude and the Bathroom Bunch" with shock-jock Jerry Rude (a Howard Stern parody)
• "Moleman in the Morning" with Hans Moleman, on KJAZZ
• "Gabbin' About God" on KBBL-AM with Rev. Timothy Lovejoy, Rabbi Hyman Krustovsky, and Msgr. Kenneth Daly
• Birch Barlow, host of conservative call-in show on KBBL-AM (a Rush Limbaugh parody)
• Dr. Marvin Monroe, call-in psychiatrist on KBBL-AM (deceased)

• Bleeding Gums Murphy, jazz musician (deceased)
• Lurleen Lumpkin, country western singer/songwriter
• Be Sharps, Grammy winning barbershop quartet
• Party Posse, boyband
• Rachel Jordan/Kovenant, Christian rock

• Moe Syzlak, owner and proprieter
• Barney Gumble, former boozehound
• Sam, barfly, with green hat and glasses
• Larry, barfly, taller & balding
• Hugh Jass
• Joey Jo-Jo Junior Shabadoo
• Aerosmith, briefly the house band
• Collette, waitress Moe hired during the "Flaming Moe's" period (parody of Diane from TV show, Cheers)

• Hospitals
  • Springfield General Hospital
  • Marvin Monroe Memorial Hospital
  • Springfield Center for Geriatric Medicine
  • Calmwood Mental Hospital
• Dr. Julius Hibbert, doctor (originally a Bill Cosby parody)
• Dr. Nick Riviera, doctor, shifty in nature
• Dr. Wolfe, dentist
• Dr. Marvin Monroe, psychiatrist (deceased)
• Dr. J. Loren Pryor, psychiatrist
• Dr. Foster, psychiatrist

• List of recurring characters from The Simpsons
• One-time characters from The Simpsons
• Characters who are fictional even within the context of The Simpsons