The Decrepit One

The contents of this article or section are related to the Radioactive Man universe. They are considered fictional in The Simpsons.

The Decrepit One

Character Information Gender: Male ♂ Status: Fictional deceased Hair: Bald White beard Occupation: Mystic teacher First appearance: The Grotesque Garage Sale of Gargamash!

The Decrepit One was the mystic teacher of Plasmo and Lebaron Fordor.

History

The Decrepit One taught Plasmo and Lebaron Fordor the basics of magic. However, Lebaron Fordor turned to evil and threw The Decrepit One into a bottomless chasm, killing him. The Decrepit One's astral form then took up residence in Plasmo's spare bedroom.

Behind the Laughter

The Decrepit One is a parody of the Ancient One from Marvel Comics.

Appearances

• Comic story – The Grotesque Garage Sale of Gargamash!

Radioactive Man characters

Heroes Radioactive Man (Claude Kane III) • Fallout Boy (Rod Runtledge) • Superior Squadron (Black Angus • Bloody Heart • Bug Boy • Lure Lass • Major Mollusk • Plasmo • Purple Haze • Captain Squid • Weasel Woman) • Black Partridge • Citizen Solar • Fallout Girl • Neutrino • Radio Man (Clarence Kane) • Radioactive Boy • Radioactive Dog • Radioactive Man-Beta • Radioactive Woman (Clara Kane the Third) • Starla • Wind Lad Allies Bug Mom • Cheech • The Decrepit One • Gloria Grand • Chief Hoolihan • President • The Radioactive Manqués • L'il Squiddie • Zenith City mayor The Secret Society of Super-Simians Combo-Rilla • Flash Gibbon • Humongo • Inspector Baboon • Radioactive Ape The Whatever People Cashbak • Flightrisk • Metronome • Obrian • Yentah Enemies Angry the Clown • Backseid • Beak-Boy • Cap'n Bolt • Boris • Brain-O the Magnificent • Dr. Broome • Buben • Dr. Clownius • The Collider • Conquero the Starfish • Dr. Crab • Crab-Bots • Crazy Cat Lady • Crispy the Clown • Desiree Del Monica • Dr. Crab's robot • Eczema (Madame Eczema • Eczematous-Prime) • The Fearful Flamammu • Lebaron Fordor • The Fossil Fuel Four (Charcoal Briquette • The Fracker • Old King Coal • Petroleus Rex) • Frankenstein Monster • Hyper-Hedgehog • Hypnotic Head • Ivan • Jawbreaker • Jim, Steve, Jon, and Bob • Kinga • Krusto the Evil Clown • Larceny Lass • Larva Girl • Magmo • Markee • Miskeit • Duke Mulligan • Nega-Pneumatica • Nickolai • Parker Peterman • Pneumatica • Radioactive Man (clone) • Radioactive Worm • I.M. Redd • Riq • Roargo • Rodents • The Scout Master • Shootin' Irons • Silly Sailor • Space alien • Swamp Hag • Dr. Swartzwelder • The Tambourine • Threatening Threesome (The Human Lawn Dart • Mr. Kidney Punch • The Scarlet Floozy) • Thumbscrew • The Undergrounders Crossover characters Muhammad Ali • Captain Code • Kansas City Royals • Pelé Other characters Abdul the Magnificent • King Altrox • Paula Altrox • Anderson • Auntrosesaur • Babooska • Bang Gang (Isotope Rodriguez) • Simon Beck • J.J. Bellwether • Uncle Benny • Libby Biaz • Giorgio Bishop • Bobby Bonds • The Bonfire Club • Bug Mom • "Cyclone" Burke • Cathy • Chex 17-22-7 • Buck Curtis • Mike Evanston • Flox 43-22-7 • J. Westminster Fullbright • G. Gordon Gadfly • Ed Gargamash • Mrs. Gargamash • Ginnie • Gl'mma Gr'lla • Glenda Grand • Mr. Grand • Mrs. Grand • Grand Hive-Minder • Gretchen Grille • Miss Grossman • Grrla-G'rrl • Grumpisaurus • Hedrick Hertzmann • Mr. Hillman • Itch • Joe • Aunt June • Claude Kane II • Floyd Kelly and Socko • Jake King • Rosa Lind • Liza • Aunt Mabel • Porky Mah Jong • William G. Maimes • Danny McKay • Mrs. McKay • Windy McKay • Gary Michaels • Moon-Cow • Dr. Peters • Pierre • Sheldon Phillips • Radioactive Man's third grade teacher • Dodd Runtledge • Mrs. Runtledge • Josie Simone • Steve • Kate Stone • Officer Sullivan • Little Uma • Miss Zenith

Deceased characters

Simpson family Bart-Beard the Pirate • Great Uncle Boris • Abigail Simpson • Abraham Simpson I • Amber Simpson • Claretta Simpson • Clowta Simpson • Dulcine Simpson • Eliza Simpson • Elrita Simpson • Floyd Simpson • Gabby Simpson • Galston Simpson • Garwood Simpson • "Happy" Simpson • Hiram Simpson • Homer Simpson • Hortense Simpson • Howland Simpson • Hubert Simpson • Ivy Simpson • Jim Simpson • Lambert Simpson • Lotus Simpson • Mabel Simpson • Mona Simpson • "Old Tut" Simpson • Orville Simpson • Pippa Simpson • Prudence Simpson • Rupert Simpson • Silas Simpson • Sven Simpson • Trixie Simpson • Twitta Simpson • Virgil Simpson • Yuma Simpson • Zeke Simpson Simpson extended family Mary Frowning Cloud • Edwina Dinsdale • Horatio Dinsdale • Udell Dinsdale • Clarice DuBois • Fielding DuBois • Lance DuBois • Monique DuBois • Rooney DuBois • Humphrey Little Goat • Jane Nervous Goat • Joe Puffing Goat • Amos Graycomb • Axel Graycomb • Lolly Graycomb • Moselle Graycomb • Otto Graycomb • Bertram Hickman • Nellie Hickman • Theodora Hickman • Willard Hickman • Coquette Rounds • Cromwell Rounds • Eugenia Rounds • Fern Rounds • Milford Rounds • Milhouse Rounds II • Missy Rounds • Burton Stemple • Caleb Stemple • Gaylord Stemple • Hortensia Stemple • Jacques Stemple • Louise Stemple • Minnie Stemple • Paco Stemple • Riva Stemple • Vic Stemple • Zachariah Stemple • Zephediah Stemple • Clancey Stillman • Clem Stillman • Dewey Stillman • Ettiwanda Stillman • Ogilvie Stillman • Omar Stillman Bouvier family Alfred Bouvier • Angelique Bouvier • Antoine Bouvier • Arthur Bouvier • Babette Bouvier • Bambi Bouvier • Bebe Bebe Bouvier Déjà Vu • Bernadette Bouvier • Brigitte Bidet Bouvier • Charlemagne Bouvier • Clarence Bouvier • Clématis Bouvier • Cléo Bouvier • Colette Bouvier • Daria Bouvier • Didi Bouvier • Edmund Bouvier • Edwina "Big Eddie" Bouvier • Edwina "Little Eddie" Bouvier • Ennui Bouvier • Erique Bouvier • Etienne Bouvier • Fifi Bouvier • Fifi Bouvier Au Jus • Flannery Bouvier • Florette Bouvier • Fr. René Bouvier • Françoise Bouvier • Gabrielle Bouvier • Georgette Bouvier • Herman Bouvier • Honoré Bouvier • Jacques Bouvier • Jipsum Bouvier • Lalique Bouvier • Lance Bouvier • Marcel Bouvier • Margot Escargot Maître de Bouvier • Marie Bouvier • Monique Bouvier • Pépé Bouvier • René Bouvier • Théo Bouvier • Vance Bouvier • Victor Bouvier • Victor Bouvier II • Yves Bouvier • Madame Bouvier-Defarge • Genevieve Bouvier-Papier-Mâché-Macramé • Coquette Lèau • Uncle Lou Bouvier extended family Mignon Billout • Philippe Billout • Pascal Chevalier • Bernard DeBoeuf • Bébé DeBoeuf • Charmaine DeBoeuf • Diana DeBoeuf • Horst DeBoeuf • Zsa Zsa DeBoeuf • Eva DuLac • Hesperia DeVille • Nicole DeVille • Eva DuLac • Hermès DuLac • Louis DuLac • Fleurette duPrix • Alvarine Gurney • Ferdinand Gurney • Gladys Gurney • Claire LaValle • Coco LaValle • Georges LaValle • Jean-Paul LaValle • Lili LaValle • Simone LaValle • Coquette Lèau • Maurice Lèau • Theodore Lèau • André Merlot • Margot Merlot • Dijon Mouton • Jacques Mouton • Henri Petitbois • Marie Petitbois • Armand Poulet • Brigitte Poulet • Félice Poulet • Hervé Poulet • Daniel Trousseau • Dracinia Trousseau • Frédérique Trousseau • Gigi Trousseau • Gilbert Trousseau • Leo Trousseau • Maurice Trousseau • Musette Trousseau • Sylvie Trousseau • Vinca Trousseau Burns family Captain Blackburns • Agnes Montgomery Burns • Bensonhurst Burns • Bertam Burns • Casandra Burns • Chasity Temperance Burns • Clifford Burns • Doctor General Edmund Burns • Elspeth Burns • Franklin Burns • Franklin Jefferson Burns • Mergatroid Burns • Rudolph Burns • Tiberius Burns • Wainwright Montgomery Burns • Evelyn Graycomb • Barbara Kretizer • Rosemarie Lippincott • Lyla • Lauren Vontavius Porter • Jeannette Schicklgruber • Marguerite Chesterton Wagstaff Flanders family Lady Nedwina Flanders • Wilhelmina Flanders • Augusta Flanders • Grandma Flanders • Maude Flanders • Lady Nedderly Flanders • Lady Nedebel Flanders • Sir Nederick Flanders • Nedmond Flanders • Neduchadnezzar Flanders • Lord Thistlewick of Flanders • Edna Krabappel • Maude's grandmother • Lord Nose • Winifred Flanders Rome characters Abus • Gordus Antonius • Barnabas • Bartigula • Kentus Brocko • Carlum • Wise Gaius • Lennus • Lisandra • Helena Lovejoyususus • Reverend Lovejoyususus • Marjora • Modus • Emperor Montimus • Obeseus the Wide • Ptolemaic Book Guy • Emperor Quimbus • Wolfus Rein Other characters Albert • Asa • Lily Bancroft • Mimsy Bancroft • Red Barclay • Bartholomé • Harold Baumgartner • Uncle Bill • Shary Bobbins • Mr. Bont • Gautama Buddha • Heloise Hodgeson Burwell • Dante Calabresi, Jr. • Dante Calabresi, Sr. • Nick Callahan • Ignatius Castellaneta • Rosemary Chalmers • Cornelius Chapman • Charlie • Franklin Chase • Jesus Christ • Crushed man • Anna Maria D'Amico • Larry Dalrymple • Chip Davis • Saint Donickus • Roger Ducette • Ellis • Elmo • Emile • Esther • Corbin Everly • Frankie • Granny Frink • Graphic Novel Kid • Green Day • Frank Grimes • Arnie Gumble • Mrs. Gumble • Harold • Milton Haas • Hezron • Homer • Homeur • Bobby Bob Hooper • Howard, Sr. • Winifred Beecher Howe • Professor Huntington • J.P. • Johnny • James Earl Jones • Fred Kanneke • Ms. Killebrew • Hyman Krustofsky • Rachel Krustofsky • League of Evil • Lise • Shelbyville Manhattan • Marguerite • Max • C. W. McAllister‎ • William McCafferty • Griff McDonald • Emilie Mercer • Roger Meyers, Sr. • Mindy • Steve Mobbs • Bleeding Gums Murphy • Michiko Nakamura • NBC representative • Edgar Neubauer • Johnny Newspaperseed • Dr. Nussbaum • Frank Ormand • Owl Haven ranger • Pete • Asa Phelps • Playground ghost • Primo • Prisoner • Eunice Quimby • Joe Quimby, Sr. • The Great Raymondo's brother • Dirk Richter • Sailor • Sandy • Scheherazade • Shahryār • Beatrice Simmons • Simpstler's Mother • Sheldon Skinner • John Smith • Mary Smith • Waylon Smithers, Sr. • Duc de Springfield • Jebediah Springfield • Ned Springfield • Obadiah Springfield • Olive Springfield • Zechariah Springfield • Doo-Wop Steve • Chester L. Suicide • King of Sweden • Moe Szyslak's mother • Captain Tenille • Fat Tony • Linda van Schoonhoven • Eustace Van Houten • Kirkedemious Van Houten • Milford Van Houten • Viktor • Viktor's wife • Viking art thief • Otto von Schlichtfarber • Etch Westgrin • Iggy Wiggum • Horace Wilcox • Obadiah Wilmington • Blind Willie Witherspoon • Zohar Animals Annie • Raymond Bird • Bluella • Mr. Bunny • Cap'n Chompy • Cinnamon • Coltrane • Cottontail • Dachapoo • Dolly • Fetchy • Flipper (Bart Has Two Mommies) • Flipper (Homer and Ned's Hail Mary Pass) • Geech • Herb • Pauline McAllister • Nibbles • Nipper • Mr. Pinchy • Polly • Queenie • Snowball I • Snowball II • Snowball III • Snuffy • Squawky • Mr. Squirm • Squirmy • Stinky • Superdude • Wolverine • Wrinkles Robots Bomb disarming robot • Buzzkill • Dick Clark • David • Emma • Flipsy • Investo the Robot • Linguo • The Prince 5000 • Wasp camera Fictional characters Adam • King Arthur • Emilio Barzini • Chester Bellamy • Uncle Ben • Brenda • Captain Burns • Little Caesar • Squiduardo Calamari • Lucy Carbunkle • Eric Cartman • Casper the Friendly Ghost • Cathy • Jenny Cavalleri • Claudius • Vito Corleone • Cap'n Crunch • The Decrepit One • Tyson Neil Degrasse • Cycloid Dolph • Nancy Drew • Samuel Elkins • Eve • Evil Queen • Fatso • Jango Fett • Huckleberry Finn • Valerie Frizzle • Gertrude • Goliath • Greedo • Moe Greene • Headmaster Greystash • Guildenlenny • King Hamlet • Prince Hamlet • Helen of Troy • Troll Jimbo • Jobriath • Officer Joe • Jonah • Saint Joseph • Joseph of Aramathea • Troll Kearney • Obi-Wan Kenobi • Fred Kranepool • Laertes • Lenny • Poison Lenny • Lenore • Lilith • Man in the Iron Mask • Cyrus Manley • Marmaduke • Meaux • Methuselah • Mimì • Moe • Advisor Moe • Troll Moe • The Monster • Captain Mordecai • Mufasa • Ranger Ned • Bat Nelson • Captain Nemo • Pixie Dr. Nick • Mr. O'Bannon • Ryan O'Toole • Odysseus • Old Yeller • Ophelia • Senator Payne • Penelope • Pharaoh • Polonius • Poochie • President of the United States • Spugna Roberto Quadrati Pantaloni • Richard Quillejoie • Radioactive Worm • Roger • The Rollicking Rocks • Rosencarl • Rumses IV • Toucan Sam • Tom Sawyer • Scoey • Mrs. Scratchy • Sebastian • Shadow Knight • Silver Quarry Men • Silly Squirrel • Turkey Skinner • SpongeBob SquarePants • Stinkie • Stretch • Discus Stu • Tea Biscuit • Salvatore Tessio • Dr. Therabear • The Three Musketeers • King of Troy • Tweedleburger • Twinkie the Kid • Darth Vader • Curly Washburn • The Whom Non-canon characters Adam • Aragorn • Benedict Arnold • Tom Arnold • Balrog • Steve Bannon • Clyde Barrow • Costas Becker • Billy the Kid • Blackbeard • John Wilkes Booth • Lizzie Borden • Bore-Ax • Genevieve Bouvier • Meriadoc Brandybuck • C. Ebenezer Burns • Count Burns • Mr. Burnsum • Burnzak • Caligula • Mary Catherine • Toussaint Charbonneau • Dick Clark • George Clooney • The Collector • Colette • Kellyanne Conway • Alice Cooper • David • King David • Case Diggs • John Dillinger • Matt Dillon • Sue Dokes • Henry K. Duff • Elijah Dunn • Edmund • El Chupacabra • Ned Flanders I • James Franco • Jonathan Frink, Sr. • Fox censor • Samwise Gamgee • Gandalf the Grey • Gary the Unicorn • Gastro • King Gautama • Prince Gautama • Queen Gautama • Siddmartha Gautama • Gimli • Goliath II • Grand Pumpkin • Barney Gumble • Arsenio Hall • Irving • Janice • Jelly monster • Hornpipe Joe • Steve Johnson • Jay Kogan • The Jerry Springer Show audience member • Kelly • Klondar • Krusto • Jared Kushner • Legolas • Lenore • Lenny Leonard, Sr. • Randall Leonard • Tony Marinara • Mopey Mary • Queen Mary I • Mayan priest • William McCafferty • Phil McGraw • Meaux • Melric • King Mitothin • Moby Dick • Thomas More • Bonnie Parker • St. Peter • Prince • Cyrus Quimby • Joshua Quimby • Onus Quimby • Radioactive Man action figure • Jane Russell • Roger • Seamus • Jane Seymour • John Smith • John Smith • Smithos • Jerry Springer • Suzanne • Scotus Szyslak • Scrotum Szyslak • Slocum Szyslak • Tahn-Enn-Bahm • Pippin Took • Treestache • Toby Trivel • Kaiser Wilhelm II • Kate Winslet

The Simpsons characters

The Simpsons and relatives Jacqueline Bouvier • Patty Bouvier • Selma Bouvier • Abraham Simpson • Bart Simpson (Bartman • El Barto) • Homer Simpson • Lisa Simpson • Maggie Simpson • Marge Simpson • Mona Simpson Jub-Jub • Plopper • Santa's Little Helper • Snowball II Around Springfield Kumiko Albertson • Ms. Albright • Jasper Beardley • Benjamin • Blue-haired lawyer • Shauna Chalmers • Comic Book Guy • Crazy Cat Lady • Larry Dalrymple • Doug • Eddie • Maude Flanders • Ned Flanders • Julio Franco • Jonathan Frink • Gary • Alice Glick • Barney Gumble • Gil Gunderson • Constance Harm • Bernice Hibbert • Julius Hibbert • Julius Hibbert's daughter • Julius Hibbert's oldest son • Lionel Hutz • Jacques • "Just stamp the ticket" man • Princess Kashmir • Hyman Krustofsky • Akira Kurosawa • Cookie Kwan • Grady Little • Lou • Helen Lovejoy • Jessica Lovejoy • Timothy Lovejoy, Jr. • Barry Mackleberry • Jerri Mackleberry • Jack Marley • Horatio McCallister • Milo • Hans Moleman • Marvin Monroe • Eddie Muntz • Mrs. Muntz • Bleeding Gums Murphy • Lindsey Naegle • Nahasapeemapetilon octuplets (Anoop • Gheet • Nabendu • Poonam • Pria • Sandeep • Sashi • Uma) • Apu Nahasapeemapetilon • Manjula Nahasapeemapetilon • Sanjay Nahasapeemapetilon • Old Jewish man • Ruth Powers • Gareth Prince • Gloria Prince • Joe Quimby (Mayor Quimby's body guards) • Martha Quimby • Raphael • Luigi Risotto • Nick Riviera • Sam • Gerald Samson • Agnes Skinner • Roy Snyder • Spuckler children (Dubya • Whitney) • Brandine Spuckler • Cletus Spuckler • Squeaky-voiced teen • Strawberry • Disco Stu • Moe Szyslak • Kirk Van Houten • Luann Van Houten • Clancy Wiggum • Sarah Wiggum • Yes Guy • Artie Ziff Celebrities Bill and Marty • Booberella • Kent Brockman • Bumblebee Man • Scott Christian • Duffman • Matt Groening • Krusty the Clown • Lurleen Lumpkin • Troy McClure • Sideshow Mel • Roger Meyers, Jr. • Arnie Pye • Pyro • Dave Shutton • Jebediah Springfield • Miss Springfield • Drederick Tatum • Mr. Teeny • Rainier Wolfcastle (McBain) Springfield Elementary School faculty and students Chuck Berger • Black weasel • Wendell Borton • Gary Chalmers • Lewis Clark • Database • Lunchlady Dora • E-mail • Rod Flanders • Todd Flanders • Ham • JJ Hibbert • Elizabeth Hoover • Sophie Jensen • Jimbo Jones • Edna Krabappel • Coach Krupt • Dewey Largo • Sherri Mackleberry • Terri Mackleberry • Otto Mann • Audrey McConnell • Nelson Muntz • Nell Nicholson • Brunella Pommelhorst • Janey Powell • Martin Prince • J. Loren Pryor • Report Card • Richard • Dolph Shapiro • Becky Shorter • Nina Skalka • Seymour Skinner • Cosine Tangent • Allison Taylor • Milhouse Van Houten • Wanda • Ralph Wiggum • Groundskeeper Willie • Hubert Wong • Yellow weasel • Jaffee Ziswhisky • Üter Zörker • Kearney Zzyzwicz Blond-haired boy with glasses • Brown-haired boy • Buck-toothed boy • Buck-toothed girl • Girl with glasses • Lewis look-alike • Long haired girl Springfield Nuclear Power Plant Blinky • Charles Montgomery Burns (The Hounds) • Carl Carlson • Charlie • Lenny Leonard • Waylon Smithers, Jr. • Smitty Villains Sideshow Bob • Frankie the Squealer • Herman Hermann • Snake Jailbird • Kang Johnson • Kodos Johnson • Legs • Louie • The Rich Texan • Hank Scorpio • Johnny Tightlips • Fat Tony Other characters Capital City Goofball • Jesus Christ • Santa Claus • Devil • Fallout Boy • Itchy • God • Leprechaun • Richard Nixon • Poochie • Radioactive Man • Scratchy Families The Simpsons • The Bouviers • The Flanderses • The Hibberts • The Krustofskys • The Lovejoys • The Spucklers • The Van Houtens • The Wiggums • The Muntzes Miscellaneous Doppelgängers • Fictional characters • LGBT characters • Animals • Deceased characters • Crossover characters • One-time characters • Recurring characters • Non-canon characters