Dr. Crab

Dr. Vladmir Krabokov before he was Dr. Crab

.

Dr. Crab is the arch enemy of Radioactive Man.

Behind the Laughter

He looks slightly similar to Zoidberg in Futurama.

Appearances

This article or section is incomplete. Please improve the article, or discuss the issue on the talk page.

• Episode – "Three Men and a Comic Book" (mentioned)
• Comic story – The Origin of Radioactive Man (mentioned)
• Comic story – Lo, There Shall Come... A Bartman!!
• Comic story – Dr. Crab's Commie Comics
• Comic story – The Heroic Life and Mortifying Death of Radioactive Man: Chapter I
• Comic story – Radioactive Man: Turn up the Silence
• Book – The Bart Book (mentioned)
• Video game – Bartman Meets Radioactive Man

Radioactive Man

Comics #1 • #9 • #23 • #27 • #67 • #72 • #900 • Lucy Nukem • Meets Captain Code • Meets The Kansas City Royals • vs. Swamp Hag • vs. Muhammad Ali • vs. Restless Leg Syndrome • My Enemy Myself TV series 1950s Serial • 1960s Series Films 1967 film • Radioactive Man II: Bring On the Sequel • Radioactive Man III • Rainier Wolfcastle film • Radioactive Woman People Patty Bouvier • Selma Bouvier • Buddy Hodges • Krusty the Clown • Arnold Leach • Sherri Mackleberry • Terri Mackleberry • Morton Mankiewicz • Troy McClure • Dirk Richter • Milhouse Van Houten • Rainier Wolfcastle Other Characters • Radioactive Mon: Reggae Rock • Zenith City

Superheroes

The Bart Allegiance Bartdog • Bartman • Houseboy • Supercat DC Comics superheroes Aquaman • Batman • The Flash • Green Lantern • Hawkman • Krypto • Plastic Man • Robin • Shazam • Storm • Supergirl • Superman • Wonder Woman The Dependables Early Bird • Hot Flash • Fruit Bat Man • Nick Fury* • Iron Lung • The Rambler Lazy League Captain Couch Potato • Doctor Dull • Lethargic Lass • The Punster • Sloth Man • The Suede Loafer The League of Superheroes Betty Firecrocker • The Komedian • Pastry Face • Pie Man Marvel Comics superheroes Captain America • Ant-Man • The Avengers • Baymax • Black Panther • Black Widow • Blade • Deadpool • Drax the Destroyer • Dum Dum Dugan • Falcon • Fandral • Fantastic Four (Mr. Fantastic • Invisible Woman • Human Torch • The Thing) • Nick Fury • Gamora • Giant-Man • Groot • Agatha Harkness • Hawkeye • Heimdall • Hulk • Iron Man • Captain Marvel • Mole Man • Namor • Odin • Quicksilver • Rescue • Rocket Raccoon • Scarlet Witch • She-Hulk • Sif • Silver Surfer • Spider-Man • Doctor Strange • Thor • Vision • Wolverine • Professor X Oldblood Badpan • Codger • Coma • Phogey • Vague Piemen of the World Captain Kidney Pie • Colonel Custard • Mademoissele Meringue • Man O' Pies • Pie Man • Señor Fritatta The Secret Society of Super-Simians Combo-Rilla • Flash Gibbon • Humongo • Inspector Baboon • Radioactive Ape Springfield Avengers Captain America (Herman Hermann) • Ant-Man (Ned Flanders) • Black Widow (Agnes Skinner) • Falcon (Julius Hibbert) • Nick Fury (Carl Carlson) • Giant-Man (Rainier Wolfcastle) • Agatha Harkness (Selma Bouvier) • Hawkeye (Milhouse Van Houten) • Iron Man (Barney Gumble) • Captain Marvel (Helen Lovejoy) • Mole Man (Hans Moleman) • Quicksilver (Comic Book Guy) • Rescue (Shauna Chalmers) • Scarlet Witch (Patty Bouvier) • She-Hulk (Elizabeth Hoover) • Doctor Strange (Nick Riviera) • Thor (Lisa Simpson) • Vision (Moe Szyslak) Springfield Super Squadron Barfly • Bartman • The Black Belch • Captain Keen • Coma • The Entangler • The Human Torque • The Ingestible Bulk • Iron Foot • The Jazzler • Kid Queasy • Captain Kwik • The Mighty Smiter • The Mirror Maidens • The MudSlinger • Nuclear Power Man • Pigboy • Plaid Piper • The Scarlet Whimpernel • The Sciencester • Vampiredna The Superheroes We Need Fluff • Fold • The Handyman • Julienne • Leftover Man • Meterman • The Mincer • Nanny BooBoo • Polite Society • The Q • The Sitter • Stainless • Tax Man Superior Squadron Black Angus • Bloody Heart • Bug Boy • Fallout Boy • Lure Lass • Major Mollusk • Plasmo the Mystic • Purple Haze • Radio Man • Radioactive Man • Captain Squid • Weasel Woman Superior Squadron allies Bart • Black Partridge • Bug Mom • Citizen Solar • The Collider • Libby • Neutrino • Radioactive Boy • Radioactive Dog • Radioactive Man-Beta • The Radioactive Manqués • L'il Squiddie • Starla • Wind Lad Vindicators Airshot • Black Voodoo • Hydrangea • Magnesium Man • Moby Man • Quetzelica The Whatever People Cashbak • Flightrisk • Metronome • Obrian • Yentah Other The Amazing Lenny • The Ant • Susan B. Anthony Man • Astro Boy • Atlasman • Badgerine • Badgirl • Bartgirl • Bartgirl (Bartman vs. Doctor Octuplets) • Bartman • The Belcher • Biclops • Biclops (Biclops vs the Diplopian Duo!) • Kid Blackula • Blossom • Bouncing Battle Baby • Braaap-Man • BrainBaby • Bubbles • Busman • Buttercup • The Candy Man • Clobber Girl • Commander Cool • Crimson Cockatoo • Cupcake Kid • Danger Dog • Darkwing Duck • Deadbeat Dad • Doctor Doctor • Doctor Strange Doctor • Everyman • Fallout Girl • Fighting Owl • Four-Eyes • Gill-Man • GlueStick • Great Maggeena • The Green Gil • Hellboy • Itchin • Karl • The Laughter • Lisa the Conjuror • Mac • Mature Lass • Meatball Boy • Ms. Meow • Mini-Mom • The Mulk • Dr. New Haven • The Noir Nightingale • Captain Nuclear • Nuthatch • Octoclops • Old Man • Dash Parr • Helen Parr • Jack-Jack Parr • Violet Parr • The Pound Puppy • Powersauce Girl • Captain Quiche • Radioactive Fig • Radioactive Woman • Wee Roachy • Robartman • Round Robin • Salesman • Sax-Men (Professor Sax) • Scarlet Pimpernel • Scratchman • The Sequelizer • The Silencer • Silvery Skateboarder • Sprinkle • The Sprint • The Stickler • Stretch Dude • The Super-Intendent • Super Lincoln • Superman • The Thung • Uber Hombre • Valkena the Viking • Chief Wig-Man • Wee Willie • Wonders-Why Woman • The Wonderful Twins • Xena • Zorro

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