Expansion This needs a stretch. (Feel free to remove when satisfied of completion.)
* Scooby-Doo and Scrappy-Doo (second series) and Scrappy & Yabba-Doo sections are missing.
This is a list of villains and the monsters they (may have) portrayed. It also lists which episode they were featured in. In the case of this article, villains are for the culprits behind the monster scam.

Scooby-Doo, Where Are You!

Main article(s): Scooby-Doo, Where Are You!
# Episode title Monsters Villains
1 "What a Night for a Knight" Black Knight Mr. Wickles
2 "A Clue for Scooby Doo" Ghost of Captain Cutler Captain Cutler
3 "Hassle in the Castle" Phantom Bluestone the Great
4 "Mine Your Own Business" Miner Forty-Niner Hank
5 "Decoy for a Dognapper" Indian Witch Doctor Buck Masters
6 "What the Hex Going On?" Ghost of Elias Kingston Stuart Wetherby
7 "Never Ape an Ape Man" Ape Man Carl
8 "Foul Play in Funland" Charlie Sarah Jenkins
9 "The Backstage Rage" Puppet master Pietro
10 "Bedlam in the Big Top" Ghost Clown Harry
11 "A Gaggle of Galloping Ghosts" Dracula, Frankenstein's Monster, Werewolf and the gypsy Big Bob Oakley
12 "Scooby-Doo and a Mummy, Too" Mummy of Anka Dr. Najib
13 "Which Witch is Which?" Zombie and Witch Zeke and Zeb Perkins
14 "Spooky Space Kook" Spooky Space Kook Henry Bascombe
15 "Go Away Ghost Ship" Redbeard's Ghost C.L. Magnus
16 "A Night of Fright is No Delight" Phantom Shadows Cosgood Creeps and Mr. Crawls
17 "That's Snow Ghost" Snow Ghost Mr. Greenway and Mr. Leech
18 "Nowhere to Hyde" Ghost of Mr. Hyde Dr. Jekyll
19 "Mystery Mask Mix-Up" Ghost of Zen Tuo A. Fong
20 "Scooby's Night with a Frozen Fright" Caveman Professor Wayne
21 "Jeepers, It's the Creeper" Creeper Mr. Carswell
22 "Haunted House Hang-Up" Headless Specter and Phantom Penrod Stillwall and Asa Shanks
23 "A Tiki Scare is No Fair" Witch Doctor John Sims
24 "Who's Afraid of the Big Bad Werewolf?" Werewolf Sheep rustler
25 "Don't Fool With a Phantom" Wax Phantom Roger Stevens

The New Scooby-Doo Movies

Main article(s): The New Scooby-Doo Movies
# Episode title Monsters Villains
1 "Ghastly Ghost Town" Gunslinger and Geronimo Amos Crunch and Rhino
2 "The Dynamic Scooby-Doo Affair" Hooded man Mrs. Baker
3 "Wednesday is Missing" Vulture Housekeeping couple
4 "The Frickert Fracas" Scarecrow Simon Shakey
5 "Guess Who's Knott Coming to Dinner" Captain Moody's Ghosts Captain Moody's nephews
6 "A Good Medium is Rare" Phantoms Alberto and an unnamed accomplice
7 "Sandy Duncan's Jekyll and Hyde" Various monsters Zalia Z. Fairchild
8 "The Secret of Shark Island" Shark men Milo Meekly and sea scavengers
9 "The Spooky Fog of Juneberry" Cackling Skeleton Gene Haultrey
10 "The Ghost of Bigfoot" Ghost of Bigfoot Crabtree
11 "The Ghost of the Red Baron" Ghost of the Red Baron Mr. Siegfried
12 "The Ghostly Creep from the Deep" Redbeard's Ghost Oil pirates
13 "The Haunted Horseman of Hagglethorn Hall" Haunted Horseman and Moat Monster Duke of Strathmore and Cyrus Wheatley
14 "The Phantom of the Country Music Hall" Viking Mannequin and Davy Crockett Mannequin Ben Bing and Bertha
15 "The Caped Crusader Caper" Dryad and Troll Joker and Penguin
16 "The Lochness Mess" Ghost of Paul Revere, Minuteman Ghost and Redcoat Ghost Morgan, Winslow and Selby
17 "The Mystery of Haunted Island" Hooded Ghosts The owner, coach and trainer of the Scorpions
18 "The Haunted Showboat" Ghost of Captain Scavenger and Injun Joe Jack Canna and an unnamed partner
19 "Mystery in Persia" Jadal Abdullah
20 "The Spirit Spooked Sports Show" Fireball McPhan Jesse Finster and Mr. Griffith's twin brother
21 "The Exterminator" Various monsters Lorne Chumley and Otto
22 "The Weird Winds of Winona" Windmakers P.J. Peabody and two unnamed partners
23 "The Haunted Candy Factory" Green Globs Mr. Crink and Sterling Smith
24 "Scooby-Doo Meets Dick Van Dyke" Ghostly strongman Masked Marvel

The Scooby-Doo Show

Main article(s): The Scooby-Doo Show
# Episode title Monsters Villains
1 "High Rise Hair Raiser" Netty Crabbe and Specter of Ebenezer Crabbe Jim Rivets and Red Sparks
2 "The Fiesta Host is an Aztec Ghost" Ghost of King Katazuma and Aztec statue Professor Stonehack and Elina Stonehack
3 "The Gruesome Game of the Gator Ghoul" Gator Ghoul Alice Dovely
4 "Watt a Shocking Ghost" 10,000 Volt Ghost Mr. Voltner (10,000 Volt Ghost) and Mayor Dudley
5 "The Headless Horseman of Halloween" Headless Horseman Elwood Crane
6 "Scared a Lot in Camelot" Ghost of Merlin and Black Knight Zarko and an unnamed henchman
7 "The Harum-Scarum Sanitarium" Ghost of Dr. Coffin Officer Oldfield
8 "The No-Face Zombie Chase Case" No-Face Zombie and Gorilla Mr. Dilly
9 "Mamba Wamba and the Voodoo Hoodoo" Mamba Wamba, Mamba Zombie and Zombie Lila Roger, an unnamed henchman and Lila
10 "A Frightened Hound Meets Demons Underground" Demon Sam Crenshaw
11 "A Bum Steer for Scooby" Tamuka the Ghost Bull, Medicine Man Ghost and Talking Bull A helicopter, Lenny and Sam Farren
12 "There's a Demon Shark in the Foggy Dark" Demon Shark Mr. Wells
13 "Scooby-Doo, Where's the Crew?" Captain Pescado, Octopus Monster and Kelp Monster Mr. Carp, Mr. McGil and Mr. McFinn
14 "The Ghost That Sacked the Quarterback" Rambling Ghost Buck Bender
15 "The Ghost of the Bad Humor Man" Vanilla Technicolor Phantom, Chocolate Technicolor Phantom and Strawberry Technicolor Phantom Sammy the Shrimp and two unnamed henchmen
16 "The Spirits of '76" Ghost of Benedict Arnold, Ghost of William Demont and Ghost of Major Andre Mr. Clive, Mr. Wilit and an unnamed henchman
17 "The Curse of the Viking Lake" Viking Ghosts Mr. Hansen and two missing geologists
18 "Vampire Bats and Scaredy Cats" Gramps the Vamp Leon Vanaugh
19 "Hang in There, Scooby-Doo" Pterodactyl Ghost Johnny and Mr. Bohannon
20 "The Chiller Diller Movie Thriller" Ghost of Milo Booth Jim Moss
21 "The Spooky Case of the Grand Prix Race" Phantom Racer Ken Rogers
22 "The Ozark Witch Switch" Ghost of Witch McCoy and Zombie Aggie Wilkins and Zeke Harkins, respectively.
23 "Creepy Cruise" Futuristic monster Mr. Grady and Prof. Von Klamp
24 "The Creepy Heap from the Deep" Creepy Heap from the Deep and soulless Captain Clements Bank robber and Captain Clements
25 "Watch Out! The Willawaw!" Willawaw and Owlmen Grey Fox and two unamed henchman
26 "A Creepy Tangle in the Bermuda Triangle" Skeleton Men Dr. Grimsley and two unnamed henchmen
27 "A Scary Night with a Snow Beast Fright" Snow Beast Baptiste
28 "To Switch a Witch" Ghost Witch of Old Salem Arlene Wilcox's twin sister
29 "The Tar Monster" Tar Monster Mr. Stoner
30 "A Highland Fling with a Monstrous Thing" Ghost of Finnyan McDuff and Loch Ness Monster Jamie Craigmore
31 "The Creepy Case of Old Iron Face" Old Iron Face Mama Mione
32 "Jeepers, It's the Jaguaro!" Jaguaro Barney
33 "Make a Beeline Away from that Feline" Feline Creature Dr. Bell
34 "The Creepy Creature of Vulture's Claw" Mantis Professor Greer
35 "The Diabolical Disc Demon" Phantom Ace Decade
36 "Scooby's Chinese Fortune Kooky Caper" Moon Monster Chin Wong Sing
37 "A Menace in Venice" Ghostly Gondoleer Mario
38 "Don't Go Near the Fortress of Fear" Ghost of Juan Carlos Captain Eddy
39 "The Warlock of Wimbledon" Anthos Nick Thomas (Anthos) and John Thomas
40 "The Beast is Awake in Bottomless Lake" Beast of Bottomless Lake Julie

Scooby-Doo and Scrappy-Doo (first series)

Main article(s): Scooby-Doo and Scrappy-Doo (first series)
# Episode title Monsters Villains
1 "The Scarab Lives!" Blue Scarab Howard Gruger
2 "The Night Ghoul of Wonderworld" Night Ghoul Mr. Marino
3 "Strange Encounters of a Scooby Kind" Alien Tessie
4 "The Neon Phantom of the Roller Disco!" Neon Phantom Mr. Walker
5 "Shiver and Shake, That Demon's a Snake" Snake Demon First Mate Defarge
6 "The Scary Sky Skeleton" Sky Skeleton Eddie Drake
7 "The Demon of the Dugout" Dragon Beast Mr. Husai
8 "The Hairy Scare of the Devil Bear" Devil Bear Chuck Hunt
9 "Twenty Thousand Screams Under the Sea" Sea Beast of the Aztecs Tiger Morris
10 "I Left My Neck in San Francisco" Lady Vampire of the Bay Lefty Callahan
11 "When You Wish Upon a Star Creature" Star Creature Mr. Greenfield
12 "The Ghoul, the Bat and the Ugly" Shadow Creature Brandon Davies
13 "Rocky Mountain Yiiiii!" Jeremiah Pratt Will Henry Pratt
14 "The Sorcerer's a Menace" The Great Haldane Morgan the Magician
15 "Lock the Door, It's a Minotaur!" Minotaur Nick Papas
16 "The Ransom of Scooby Chief" N/A Carl and Tony

The New Scooby and Scrappy Doo Show

Main article(s): The New Scooby and Scrappy Doo Show
# Episode title Monsters Villains
1a "Scooby the Barbarian" Olaf the Terrible and Viking pirates Professor Busby as the Olaf the Terrible
1b "No Sharking Zone" Seaweed Monster and Great White Shark Cowabunga Carlyle as the Seaweed Monster
2a "Scoobygeist" Real haunts N/A
2b "The Quagmire Quake Caper" Mud Monster Quanto
3a "Hound of the Scoobyvilles" Hound of the Barkervilles Bentley
3b "The Dinosaur Deception" Dinosaur Dr. LaRue
4a "The Creature Came from Chem Lab" Creature from Chem Lab Toby Wallace
4b "No Thanks, Masked Manx" Masked Manx Milo Damp
5a "Scooby-Doo and Cyclops, Too" Zombies Mr. Cyclops and Ivan
5b "Scooby of the Jungle" Randar the Ape Man Randal Bakko
6a "Scooby Roo" Neanderthal Monster of Devil's Rock Darcy
6b "Scooby's Gold Medal Gambit" Chameleon Chairman Lewis
7a "Wizards and Warlocks" Tower Wizard and Yadzruck N/A
7b "Scoobsie" Phantom of the Soaps Danny Divine
8a "The Mark of Scooby" N/A "All a dream" ending
8b "The Crazy Carnival Caper" Clown Jerry
9a "Scooby and the Minotaur" Minotaur Mr. Kronos
9b "Scooby Pinch Hits" Ghost of Casey O'Reilly Reggie Rungout
10a "The Fall Dog" Gremlin Mickey Hack
10b "The Scooby Coupe" Specter of Sports Cars Crocker Pitt
11a "Who's Minding the Monster?" Real monsters N/A
11b "Scooby ala Mode" Ghost of Chef Maras Chef Gustav
12 "Where's Scooby-Doo?" Mummy Female spy
13 "Wedding Bell Boos!" Ghost of McBaggy Rogers Alex Anders

The New Scooby-Doo Mysteries

Main article(s): The New Scooby-Doo Mysteries
# Episode title Monsters Villains
1 "Happy Birthday, Scooby-Doo" Red Skull Stuyvesant
2a "Scooby's Peep-Hole Pandemonium" Maid Mummy Orson Kane
2b "The Hand of Horror" Helping Hand Ratfield
3a "Scoo-Be or Not Scoo-Be?" Sea Demons Rosey Crans and Gilly Stern
3b "The Stoney Glare Stare" Cyclops Professor Mikos
4a "Mission: Un-Doo-Able" Mastermind Cecil
4b "The Bee Team" Giant bees Harley Finster and five unnamed accomplices
5a "Doom Service" Ebenezer Overview Mrs. Van Loon
5b "A Code in the Nose" Codefinger Major Berch
6 "Ghosts of the Ancient Astronauts" Zombies Harriet Mullins and her associate
7a "The Night of the Living Toys" Evil Elf Katerina Kobald
7b "South Pole Vault" Mad Sea Lion Dr. Carlin
8 "A Halloween Hassle at Dracula's Castle" Ghost of Dr. Van Helsing Igor
9 "A Night Louse at the White House" Ghost of George Washington and Ghost of Abraham Lincoln Ambassador of Klopstokia and his wife
10a "Showboat Scooby" Ghost of Colonel Beauregard Pops Baloney
10b "The 'Dooby Dooby Doo' Ado" N/A Laser band thief
11 "Sherlock Doo" Ghost of Sherlock Holmes Mr. Stapleton
12a "A Scarey Duel with a Cartoon Ghoul" Monster Mutt Dimwittie
12b "E*I*E*I*O" Monster Mouse Parker
13 "The Nutcracker Scoob" Ghost of Christmas Never Nanette Musette

The 13 Ghosts of Scooby-Doo

Main article(s): The 13 Ghosts of Scooby-Doo
# Episode title Monsters
1 To All the Ghouls I've Loved Before Bogel, Weerd and Townspeople of Ursolvania (werewolfs)
2 Scoobra Kadoobra Maldor the Malevolent
3 Me and My Shadow Demon Queen Morbidia and the Associated Federation of Crazy and Irresponsible Monsters
4 Reflections in a Ghoulish Eye Reflector Specter, Bogel and Weerd
5 That's Monstertainment Zomba
6 Ship of Ghouls Captain Ferguson, Bogel and Weerd
7 A Spooky Little Ghoul Like You Nekara, Bogel and Weerd
8 When You Witch Upon a Star Marcella
9 It's a Wonderful Scoob Time Slime, Bogel and Weerd
10 Scooby in Kwackyland Demondo, Bogel and Weerd
11 Coast-to-Ghost Rankor, Head of Spook and Poltergeist Society, Bogel and Weerd
12 The Ghouliest Show on Earth Professor Phantazmo, Bogel and Weerd
13 Horror-Scope Scoob Zimbulu, Bogel and Weerd

A Pup Named Scooby-Doo

Main article(s): A Pup Named Scooby-Doo
# Episode title Monsters Villains
1 "A Bicycle Built for Boo!" Ghost Mr. Conrad
2 "The Sludge Monster from the Earth's Core" Sludge Monster from the Earth's Core Mr. Buckston
3 "Wanted Cheddar Alive" Cheese Monster Larry P. Acme
4 "The Schnook Who Took My Comic Book" Dr. Croaker Wendel McWendel
5 "For Letter or Worse" Ghost of Al Cabone Prestina
6 "The Babysitter from Beyond" Boogedy Bones Manny the Mauler and Molly the Moll
7 "Snow Place Like Home" Ice Demon Mr. Forester
8 "Now Museum, Now You Don't" Samurai Ghost Mr. Dayton
9 "Scooby Dude" Headless Skateboarder Al
10 "Ghost Who's Coming to Dinner" BooBeard Jack
11 "The Story Stick" Totem Monster Mr. Ryan
12 "Robopup" Ghost of Chef Pierre Goulash Mr. Gordon
13 "Lights...Camera...Monster" Stinkweed Vincent Thorne
14 "Curse of the Collar" Ghost of Buster McMuttMauler Mr. Trixenstuff
15 "The Return of Commander Cool" Alien Barbara Simone
16 "The Spirit of Rock'n Roll" Ghost of Purvis Parker Mr. Dilton
17 "Chickenstein Lives" Chickenstein Casmer Codwaller
18 "Night of the Living Burger" Burger Monster Skippy Johnson
19 "The Computer Walks Among Us" Dinkley 2000 Bruce Wormsley
20 "Dog Gone Scooby" N/A Paula P. Casso
21 "Terror, Thy Name is Zombo" Ghost of Zombo Joey Jipner
22 "Night of the Boogey Biker" Boogey Biker Red Herring
23 "Dawn of the Spooky Shuttle Scare" Astronaut Ghost Simon Simonson
24 "Horror of the Haunted Hairpiece" Bigwig Crusty Baker
25 "Wrestle Maniacs" The Hooded Heifer Herbert Blaum
26 "Mayhem of the Moving Mollusk" Moving Mollusk Lester Leonard
27 "The Were-Doo of Doo Manor" Nasty-Doo Professor Digmi
28 "Catcher on the Sly" N/A Buster McMuttMauler
29 "The Ghost of Mrs. Shusham" Ghost of Mrs. Shusham Bernice Binder
30 "The Wrath of Waitro" N/A Waitro

What's New, Scooby-Doo?

Main article(s): What's New, Scooby-Doo?
# Episode title Monsters Villains
1 "There's No Creature Like Snow Creature" Snow Creature Avalanche Anderson
2 "3-D Struction" Dinosaur Spirit Luis Cepeda and Heather Lane
3 "Space Ape at the Cape" Space Ape Janet Lawrence
4 "Big Scare in the Big Easy" Leland Brothers Crawdad Mike and his bus driver
5 "It's Mean, It's Green, It's the Mystery Machine" Mystery Machine Susan Dinwiddie
6 "Riva Ras Regas" Ghost of Rufus Raucous Phylidia Flanders
7 "Roller Ghoster Ride" Roller Ghoster Terry
8 "Safari, So Goodi!" Jungle demons Henry and Honey Hunsecker
9 "She Sees a Sea Monster by the Seashore" Motoshondu Crunchy Granville
10 "A Scooby-Doo! Christmas" Headless Snowman Prof. William Higginson
11 "Toy Scary Boo" Spaceman Swinton, Annabel Action Figure, and other moving toys Walter Claphammer
12 "Lights! Camera! Mayhem!" Faceless Phantom Vincent Wong
13 "Pompeii and Circumstance" Zombie Gladiator Ugo DiRinaldi
14 "The Unnatural" Baseball Specter Bob Taylor
15 "Big Appetite in Little Tokyo" 30 Foot Shaggy Professor Pomfrit
16 "Mummy Scares Best" Mummy of Pharaoh Scamses Qasl Al-Famir and Madamoiselle Chantal
17 "The Fast and the Wormious" Gusano Grande Gibby Norton
18 "High-Tech House of Horrors" House of the future and Jeeves Shari the house computer
19 "The Vampire Strikes Back" Vampire Steve and Stu Fortescu
20 "A Scooby-Doo Halloween" Scarecrow Robots Marcy
21 "Homeward Hound" Cat Creature Meadow
22 "The San Franpsycho" San Franpsycho Rutie Banez
23 "Recipe for Disaster" Scooby Snack Monster Penelope Bailey
24 "Large Dragon at Large" Glasburgh Dragon Jamison Steven Ripley
25 "Simple Plan and the Invisible Madman" Invisible Madman Zeke Zillion, Jack Hunter, Eve De La Faye and Gibby Norton
26 "Uncle Scooby and Antarctica" Fish creature Monroe Hopper
27 "New Mexico, Old Monster" Wakumi Henry Thornwald
28 "It's All Greek to Scooby-Doo" Centaur Susie Smythe
29 "Fright House of a Lighthouse" Creepy Keeper Verona Dempsey
30 "Go West, Young Scoob" Cold Steel Gibby Norton and John Lawman
31 "A Scooby-Doo Valentine" Mystery Inc. evil clones J.C. Chasez and four Hollywood extras
32 "Wrestle Maniacs" Titanic Twist Connie and Curt Crunch
33 "Ready to Scare" Gargoyle Danica LeBlake
34 "Farmed & Dangerous" Demon Farmer Neville Poppenbacher
35 "Diamonds Are a Ghoul's Best Friend" Frozen Fiend Galina Korzhakov
36 "A Terrifying Round With A Menacing Metallic Clown" Menacing Metallic Clown Smith Snipper
37 "Camp Comeoniwannascareya" Toxic Terror Grey
38 "Block-Long Hong Kong Terror" Dragon Wu and his helpers
39 "Gentlemen, Start Your Monsters!" Skeleton Driver Cindy and Jimmy
40 "Gold Paw" Gold Monster Drill Sergeant Payne
41 "Reef Grief!' Coral Creature Spencer Johnson and Coral Creature
42 "E-Scream' Osomons Laslow Ostwald

Scooby-Doo! Mystery Incorporated

Main article(s): Scooby-Doo! Mystery Incorporated
# Episode title Monsters Villains
1 Beware the Beast from Below Slime Mutant Prof. Emmanuel Raffalo
2 The Creeping Creatures Creeping Creatures Grady, Greta and Gunther Gator
3 The Secret of the Ghost Rig Ghost Truck Rung Ladderton/Ghost Trucker
4 Revenge of the Man Crab Man-Crab Bud Shelton
5 The Song of Mystery Que Horrifico Mary Anne Gleardan
6 The Legend of Alice May Ghost Of Alice May Alice May
7 In Fear of the Phantom Phantom Daniel Prezette
8 The Grasp of the Gnome Gnome Gill Littlefoot
9 Battle of the Humungonauts Red and Green Humungonauts Max and Jax Minner
10 Howl of the Fright Hound Fright Hound Mrs. Wyatt
11 The Secret Serum Vampire Sheila Altoonian
12 The Shrieking Madness Char Gar Gothakon Howard E. Roberts
13 When the Cicada Calls Cicada Creature Grandma Moonbeam
14 Mystery Solvers Club State Finals Lord Infernicus Jonathan Wellington Muddlemore
15 The Wild Brood Shadowy Orc Maxwell
16 Where Walks Aphrodite Aphrodite Amanda Smythe
17 Escape from Mystery Manor "Demented speaker" Danny Darrow
18 The Dragon's Secret White Wizard Mr. Wang and Mai Le
19 Nightfright Nightfright Argus Fentonpoof
20 The Siren's Song Fish Freaks Ernesto and his fellow activists
21 Menace of the Manticore Manticore Hot Dog Water
22 Attack of the Headless Horror Headless Horror Marion Spartan
23 A Haunting in Crystal Cove Shadowy Figure Professor Pericles
24 Dead Justice Ghost of Dead Justice Deputy Bucky
25 Pawn of Shadows Obliteratrix Alice May
26 All Fear the Freak Freak of Crystal Cove Fred Jones, Sr.
27 The Night the Clown Cried Crybaby Clown N/A
28 The House of the Nightmare Witch Baba Yaga Curator Vronsky
29 The Night the Clown Cried II - Tears of Doom! Crybaby Clown Baylor Hotner
30 Web of the Dreamweaver! Dreamweaver Horbert Feist
31 The Hodag of Horror Hodag of Horror Roberto, the trained pet monkey of Ned Fussbuster
32 Art of Darkness! Junk Butch Firbanks
33 The Gathering Gloom Graveyard Ghoul Evallo von Meanskrieg
34 Night on Haunted Mountain Dark Lilith Hot Dog Water
35 Grim Judgment Hebediah Grim Gary and Ethan
36 Night Terrors Fiend Dan Fluunk
37 The Midnight Zone Kriegstaffebots Operated by Professor Pericles
38 Scarebear Scarebear Benson Fuhrman
39 Wrath of the Krampus Krampus Charlie the Haunted Robot, remote-controlled by Jason Wyatt for Mystery Inc.
40 Heart of Evil Dragon Jenny Zin
41 Theater of Doom Mummy of Friar Serra George Avocados
42 Aliens Among Us Grey (Alien), Reptoid and Nordic Alien Traveler O'Flaherty, Connor O'Flaherty and Sheela O'Flaherty
43 The Horrible Herd (episode) Horrible Herd Controlled by Professor Pericles
44 Dance of the Undead Rude Boy and the Ska-Tastics (zombies) Rude Boy and the Ska-Tastics
45 The Devouring Gluten Demon Francilee Jackson
46 Stand and Deliver Dandy Highwayman Librarian (Stand and Deliver)
47 The Man in the Mirror Fake Fred (Brad Chiles) and Old Daphne (Judy Reeves) Brad Chiles and Judy Reeves
48 Nightmare in Red Monstrous Freak Fernando El Aguirre
49 Dark Night of the Hunters Priestess Enrique Andelusossa
50 Gates of Gloom Kriegstaffebot Brad Chiles, Judy Reeves and Professor Pericles
51 Through the Curtain Kriegstaffebot and Evil Entity Brad Chiles, Judy Reeves, Professor Pericles
52 Come Undone Kriegstaffebot Evil Entity, Brad Chiles, Judy Reeves and Professor Pericles

Be Cool, Scooby-Doo!

Main article(s): Be Cool, Scooby-Doo!
# Episode title Monsters Villains
1 Mystery 101 Ghost of Elias Kingston Mitchell Simons, Joe Simons
2 Game of Chicken Spirit of the Zatari Warrior Chuck Mangum
3 All Paws on Deck Sea Creature Thorn and Dahila
4 Poodle Justice Gargoyle Carli
5 Grand Scam Ghost of Chip Braverton Dustin Wallswreath
6 Trading Chases Sobek Professor Salasar
7 Be Quiet Scooby-Doo! Crystal Crawler Colson McCready
8 Party Like It's 1899 Headless Count Bradwick Haverall
9 Screama Donna Ghost of the Prima Donna Jasper Crawl
10 Kitchen Frightmare Yeti Jeff Howard
11 Me, Myself, and A.I. Butler 3000 Mallory O'Neill
12 Area 51 Adjacent Alien General Stall
13 Where There's a Will, There's a Wraith Phantom Ruby and Trudy Lutz
14 Scary Christmas Pterodactyl David and Alistair Leventhal
15 If You Can't Scooby-Doo the Time, Don't Scooby-Doo the Crime Ghost of Stealin' Stan Wayne Bowman
16 Gremlin on a Plane Gremlin Ed Johnson
17 Sorcerer Snacks Scare Sorcerer Piero
18 Saga of the Swamp Beast Swamp monster Dwayne and Gentleman Bandit
19 Be Cold, Scooby-Doo! Snow monster Heidi Ho Swift
20 Giant Problems Giant Colin McQuaid
21 Eating Crow Scarecrows Jonathan and Old Tom
22 I Scooby Dooby Do Ghost of the Cliff Bride Kimmy's mother and Nate's mother
23 El Bandito Spirit of El Bandito Gustavo
24 Into the Mouth of Madcap Madcap the Killer Clown Oopsy
25 The Norse Case Scenario Viking ghosts Ranger Mark, Donald and Edith
26 The People vs. Fred Jones Toxic Mutant Dayton Knight
27 Some Fred Time Dorsal Foot Bellington and Charlie Potts
28 There Wolf Werewolf Miguel
29 Renn Scare Jester Harvey
30 How to Train Your Coward Vampire Sheriff Boon and Paco
31 Worst in Show Houndbeast Doby and Estelle Brady
32 Mysteries on the Disorient Express Grim Reaper, Mummy, Tengu, Tarasque, Tzitzimitl, Haniver, Manticore and Hemogoblin Tobar Jacobs, Ichi Lee and Unnamed spies
33 Halloween Baba Yaga Mrs. Clune and Mr. Clune
34 The Curse of Kaniaku Kaniaku Mr. Kagawa
35 Vote Velma Ghost of Amos Littlefield Violet Oberon
36 Scroogey Doo Ghost of Jacob Marley, Ghost of Christmas Past, Ghost of Christmas Present and Ghost of Christmas Future Dr. Buggly
37 In Space Space Kook Officer Soung
38 Doo Not Disturb Ghost of Mother Josh Stanley
39 Silver Scream Ghost of Archie Barnes Lori Logan
40 Fright of Hand Mutant Rabbit Saul Twinkelshine and Greg Twinkelshine
41 Greece is the Word Arachne Aeslop and Prince Shlemielius
42 American Goth Plant Monster Dorbin
43 Omelettes Are Forever Minus Dillingsley
44 Ghost in the Mystery Machine Mystery Machince Dr. Blum, Lori Walsh and Rose
45 Naughty or Ice Ice Man Ms. Anja
46 Night of the Upsetting Shorts Ape Man Grammy Rogers
47 Junkyard Dogs Trash Monster Officer Mike
48 Protein Titans 2 Ghost Chef Zara
49 World of Witchcraft Demon of Salem Carl Baker and Mrs. Baker
50(a) Pizza O'Possum's Pizza O'Possum Lydia
50(b) The Curse of Half-Beard's Booty Half-Beard's Ghost Dr. Cutler, Karen and Oft-Injured Willy
51 Professor Huh? Part 1 Professor Huh? Donald Jones
52 Professor Huh? Part 6 3/4 N/A Rose