| Villains | Episodes | Picture |
| Banshee (window) | The Spooky Fog Of Juneberry | Picture |
| Banshee (graveyard) | The Spooky Fog Of Juneberry | Picture |
| Brontosaurus | The Spooky Fog Of Juneberry | Picture |
| Cackling Skeleton | The Spooky Fog Of Juneberry | Picture |
| Chief Blood-In-The-Eye | Sandy Duncan's Jekyll & Hydes | Picture |
| Cigar Store Indian | Ghastly Ghost Town | Picture |
| Dragon | Sandy Duncan's Jekyll & Hydes | Picture |
| Gargoyle | A Good Medium Is Rare | Picture |
| Ghost | ? | Picture |
| Ghost Arm | The Haunted Carnival | Picture |
| Ghost Driver | The Haunted Carnival | Picture |
| Ghost Hands & Feet | ? | Picture |
| Ghost Head | The Haunted Carnival | Picture |
| Ghostly Stagecoach | The Spooky Fog Of Juneberry | Picture |
| Ghostly Statues | The Mystery Of Haunted Island | Picture |
| Ghostly Strongman | The Haunted Carnival | Picture |
| Ghost Of Bigfoot | The Ghost Of Bigfoot | Picture |
| Ghost Of Capt. Moody | Guess Who's Knott Coming To Dinner | Picture |
| Ghost Of Capt. Scavenger | The Haunted Showboat | Picture |
| Ghost Of Injun Joe | The Haunted Showboat | Picture |
| Ghost Of Paul Revere | The Lochness Mess | Picture |
| Ghost Of The Red Baron | The Ghost Of The Red Baron | Picture |
| Giant Bat | Ghastly Ghost Town | Picture |
| Giant Ghost | The Spooky Fog Of Juneberry | Picture |
| Giant Vulture | Wednesday Is Missing | Picture |
| Green Globs | The Haunted Candy Factory | Picture |
| Grizzly Bear | Sandy Duncan's Jekyll & Hydes | Picture |
| Gunslinger | Ghastly Ghost Town | Picture |
| Haunted Armor | ? | Picture |
| Haunted Horseman Of Hagglethorne Hall | The Haunted Horseman Of Hagglethorne Hall | Picture |
| Headless Horseman | The Spooky Fog Of Juneberry | Picture |
| Hessian Ghost | The Lochness Mess | Picture |
| Hooded Figure | The Caped Crusader Caper | Picture |
| Hooded Figures | The Weird Winds Of Winona | Picture |
| Jadal the Evil Djinn | Scooby Doo Meets Jeanie | Picture |
| Knitting Ghost | ? | Picture |
| Lake Monster | The Lochness Mess | Picture |
| Lorne Chumley | The Exterminator | Picture |
| Mechanical Lion | Sandy Duncan's Jekyll & Hydes | Picture |
| Minuteman Ghost | The Lochness Mess | Picture |
| Moat Monster | The Haunted Horseman Of Hagglethorne Hall | Picture |
| Mr. Hyde | Sandy Duncan's Jekyll & Hydes | Picture |
| Mummy | Sandy Duncan's Jekyll & Hydes | Picture |
| Mysterious Winds | The Weird Winds Of Winona | Picture |
| Phantom | Sandy Duncan's Jekyll & Hydes | Picture |
| Phantom Of The Grand Ole Music Hall | Phantom Of The Grand Ole Music Hall | Picture |
| Pirate | Sandy Duncan's Jekyll & Hydes | Picture |
| Putty Face Phantoms | A Good Medium Is Rare | Picture |
| Redbeard's Ghost | The Ghostly Creep From The Deep | Picture |
| Scarecrow | The Frickert Fracas | Picture |
| Sea Serpent | ? | Picture |
| Shark Demon (Piscato Diabolico) | Secret Of Shark Island | Picture |
| Sheik | Sandy Duncan's Jekyll & Hydes | Picture |
| Skeletons (Penguin & Joker) | The Dynamic Scooby Doo | Picture |
| Spirit Of Fireball McFane | The Spirited Spooked Sports Show | Picture |
| Spooky Tree | ? | Picture |
| Three-Eyed Ghost | The Spooky Fog Of Juneberry | Picture |
| Tyrannosaurus Rex | Ghastly Ghost Town | Picture |
| Walking Cactus | Ghastly Ghost Town | Picture |
