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Villains Wiki

Hey, Daphne! I'm so glad you could make it. And you must be Freddy, Velma, Shaggy and Scooby-Doo. Wow, the whole gang! I've heard so much about you. Daphne's kept me up to date on all of your cases.
~ Holly Graham's first quote hinting her true nature.
Ahh, the infamous Scooby Doo. Allow me to Introduce myself. I am... The Mastermind!
~ The Mastermind introducing himself to Scooby-Doo.

The Mastermind, persona adopted by Holly Graham, is the main antagonist of the 2002 videogame Scooby Doo! Night of 100 Frights. She is the former friend of Daphne Blake who attempted to use her and the rest of Mystery Inc. to frame her uncle in order to sell his hologram machine in her name.

She was voiced by Grey Delisle Griffin (who also voiced Mandy in The Grim Adventures of Billy & Mandy, Vicky in The Fairly OddParents, High Priestess in Samurai Jack, Azula in Avatar: The Last Airbender, Asajj Ventress in Star Wars: Clone Wars, and Catwoman in the Batman: Arkham series), who is also Daphne's current voice talent.

As the Mastermind, she was voiced by Tim Curry, who also portrayed Frank-N-Furter in The Rocky Horror Picture Show, Pennywise in the It miniseries, and voiced Ben Ravencroft in Scooby-Doo and the Witch's Ghost and Emperor Palpatine in Star Wars: The Clone Wars


The Mastermind is an evil phantom who lives in and haunts a mansion called Mystic Manor. He brings Scooby-Doo and his friends there, having brought back 20 of their old foes who are all classic monsters from episodes of Scooby-Doo! Where Are You?, The New Scooby-Doo Movies and The Scooby-Doo Show:

  • The Black Knight from SDWAY What A Night For A Knight
  • The Ghost of Captain Cutler from SDWAY A Clue For Scooby-Doo
  • The Phantom of Vasquez Castle from SDWAY Hassle In The Castle
  • The Indian Witch Doctor from SDWAY Decoy For A Dognapper
  • Charlie the Funland Robot from SDWAY Foul Play in Funland
  • The Werewolf from SDWAY A Gaggle of Galloping Ghosts
  • The Bald Zombie from SDWAY Which Witch Is Which?
  • The Witch from SDWAY Which Witch Is Which?
  • The Ghost of Redbeard from SDWAY Go Away Ghost Ship
  • The Space Kook from SDWAY Spooky Space Kook
  • The Phantom Shadow from SDWAY A Night of Fright is No Delight
  • The Caveman from SDWAY Scooby's Night with a Frozen Fright
  • The Creeper from SDWAY Jeepers! It's The Creeper
  • The Headless Specter from SDWAY Haunted House Hang-Up
  • The Hawaiian Witch Doctor from SDWAY A Tiki Scare Is No Fair
  • The Vengeful Scarecrow from TNSDM The Frickert Fracas
  • The Ghost of Captain Moody from TNSDM Guess Who's Knott Coming to Dinner?
  • The Gargoyle from TNSDM A Good Medium is Rare
  • The Sea Creature from TSDS The Creepy Heap from the Deep
  • The Tar Monster from TSDS The Tar Monster.

Daphne Blake's old friend Holly Graham invites her, Fred Jones, Velma Dinkley, Shaggy Rogers and Scooby-Doo to Mystic Manor because her uncle, inventor Professor Alexander Graham, has disappeared while working on his latest invention and she needs the gang to help find him. Fred, Daphne and Velma go inside Mystic Manor with Holly Graham while Shaggy and Scooby wait outside. After Shaggy disappears, Scooby enters Mystic Manor to ask Fred and the girls to help find him. Once inside, Scooby only finds Holly, who tells him that somebody called The Mastermind took Fred, Daphne, and Velma. Scooby then heads out to rescue his friends. Holly gives him a map can help him around Mystic Manor and the areas around it.

After Scooby makes his way to the Mystic Manor rooftops, having endured encounters with monsters from his past—like the Zombie and the Headless Specter—Holly greets him in her mastermind costume and mask. She tells Scooby that she is the one who brought him and the gang to Mystic Manor, the one behind Professor Graham's disappearance, that she brought some monsters back from his past and that \she kidnapped all his friends, and points to Velma who is locked in a wooden cage nearby. The Mastermind then disappears and leaves Scooby to battle the Black Knight Ghost. After Scooby defeats the Black Knight, he frees Velma, who loses her glasses, and tells her that he saw a spooky groundskeeper and ghosts and monsters on his way to her. Scooby helps Velma her glasses but when she put them on, she thinks she sees the Creeper and runs off. However, Scooby doesn't see the Creeper anywhere and goes to find the rest of the gang.

Scooby later encounters Holly in her Mastermind disguise again in the graveyard where she is carrying Daphne away. Scooby manages to rescue Daphne, however, the Mastermind summons the Phantom Shadow to attack them and then disappears again. After Scooby and Daphne defeat the Phantom Shadow, Holly shows up (without her Mastermind costume) and tells them she found some of her uncle inventions and that he usually keeps them in a secret lab. Scooby finds an umbrella in the crate. Holly says it's a more useful invention. Holly and Daphne then disappear and Scooby goes to find Fred.

Later, Scooby finds Fred on a pirate ship, however, Holly appears in her Mastermind outfit once again and traps Fred under a barrel and summons the Ghost of Redbeard to battle Scooby afterwards. After Scooby defeats Redbeard, he frees Fred and then Velma arrives, still running from the Creeper. Then Fred looks at her glasses and says that somebody has placed images of the Creeper on the lenses. At that same moment, Shaggy arrives on the pirate ship. Fred and Velma decide to go look for Daphne and Holly. Scooby suggests they go find the secret lab that Holly mentioned. He and Shaggy go there with after being frightened by the Ghost of Captain Cutler.

Finally, after Scooby makes it to the Secret Lab and reunites with all his friends, along with Holly (who is really just a hologram), they learn that Holly's uncle was making a machine that can create super realistic holograms and that all the monsters the Mastermind summoned are holograms. They then make a plan to catch the Mastermind. Scooby locates Holly in her Mastermind suit and he prepares to battle him/her along with Charlie the Funland Robot and the Space Kook.

After Scooby defeats the Mastermind, the evil phantom is taken back to the first room of Mystic Manor. The gang and "Holly" arrive there and surround the Mastermind. Before the gang unmasks him, Shaggy suggests it's the groundskeeper but the groundskeeper enters the room and tells Shaggy off. Fred then removes the Mastermind's mask and he is revealed to be Professor Graham. Suddenly, Velma soon discovers Holly behind a wall in Mystic Manor. Shaggy is confused and reaches for Holly and goes right through her. Velma states that Holly was a hologram and the real Holly was actually the Mastermind the whole time. Holly confesses that she had schemed the whole plan and that she wanted Mystery Inc. to come to the Mystic Manor, uncover her uncle as the mastermind and have him taken to jail so she could get rich off of his invention. She set holograms of herself everywhere the mastermind was so she would have an alibi.


As the Mastermind

Ahh, the infamous Scooby Doo. Allow me to Introduce myself, I am... The Mastermind! (Scooby: *Gulp*) I'm the reason you're here. (Scooby: You are?) I'm the one who made Professor Graham disappear. (Scooby: You did?) I'm also the one who's brought back all of your old foes. (Scooby: But why?) That is a mystery you will never solve! And one more thing I'm the one whose kidnapped all your friends! (laughs and points to Velma in a cage) (Scooby: Relma!) (Velma: Scooby-Doo!) See if you can get past this fiendish fright. You remember the Black Knight!
~ The Mastermind and Scooby Doo's first encounter before the Black Knight boss battle.
Hey! You won't get away that easily. (Scooby: You think that was easy?) This will teach you to cross paths with me. Here, I think this old friend of yours is dying to see you. (*The Green Ghost appears*) (Daphne: Scooby! I don't believe it! It's the green ghost!) (The Green Ghost floats towards Daphne and Scooby) That's right, and pretty soon you won't stand a ghost of a chance! (laughs)
~ The Mastermind and Scooby Doo's second encounter before the Green Ghost boss battle.
I've had a belly full of your meddling! It's high past time I did away with you once and for all! I think you'll remember this old adversy of yours. He really remembers you. (*The Ghost of Redbeard appears*) (Fred: Scooby? What's happening?) (Scooby: It's The Rhost of Redbeard!) (Ghost of Redbeard: Shiver me timbers! *laughs*) It appears your old foe has a score to settle with you.
~ The Mastermind and Scooby Doo's third encounter before the Ghost of Redbeard boss battle.
Ah Yes! Soon it will all be mine! My brilliant plan is working perfectly, all that remains is... What?! (turns around to see Scooby) Impossible! How did you, a worthless cur, make it this far? (Scooby: I don't know.) Well your luck ends here, as well as all nine of your lives! (Scooby: I think that's cats. I'm not a cat.) SHUT UP!!!
~ The Mastermind and Scooby Doo's fourth and final encounter before the final boss battle.



  • This is Tim Curry's second Scooby-Doo villain after Ben Ravencroft from Scooby-Doo! and The Witch's Ghost and followed by the Goblin King from Scooby-Doo! and The Goblin King.
  • This is also only Tim Curry's only Scooby-Doo villain role who is not from a movie.
  • In the game's recreation of the Scooby-Doo, Where Are You? theme song, The Mastermind replaces the Ghost of Elias Kingston from the episode, What The Hex Going On?
  • Holly's name sounds similar to the word "hologram", which is fitting due to her use of realistic holograms throughout the entirety of the game.
    • Shaggy actually acknowledges this fact at the end of the game, and makes a joke about it.


           Scooby-doo logo.png Villains

Scooby Doo, Where are You!: Black Knight | Phantom | Captain Cutler | Miner 49er | Indian Witch Doctor | Elias Kingston | Apeman | Charlie | Puppeteer | Ghost Clown | Big Bob Oakley | Mummy | Witch | Bald Zombie | Space Kook | Redbeard | Phantom Shadow | Snow Ghost | Ghost of Mr. Hyde | Scare Pair | Zen Tuo | Caveman | Creeper | Phony Phantom | Witch Doctor | Werewolf | Wax Phantom
The New Scooby-Doo Movies: Gunslinger | Geronimo | Hooded Man | Vulture | Scarecrow | Captain Moody's Ghosts | Phantoms | Zalia Z. Fairchild | Shark Men | Cackling Skeleton | Ghost of Bigfoot | Red Baron | Redbeard's Ghost | Haunted Horseman | Moat Monster | Viking Mannequin | Davy Crockett Mannequin | Dryad | Troll | Ghost of Paul Revere | Minuteman Ghost | Redcoat Ghost | Hooded Ghosts | Captain Scavenger | Injun Joe | Jadal | Fireball McPhan | Lorne Chumley | Windmakers | Green Globs | Ghostly Strongman
The Scooby-Doo Show: Ebenezer Crabbe | Netty Crabbe | Ghost of King Katazuma | Aztec Statue Monster | Gator Ghoul | 10,000 Volt Ghost | Headless Horseman | Ghost of Merlin | Black Knight | Dr. Coffin | Ambulance Guys | No-Face Zombie | Gorilla | Mamba Wamba | Zombie Lila | Mamba Zombie | Demon | Tamuka | Medicine Man Ghost | Demon Shark | Octopus Monster | Kelp Monster | Captain Pescado | Rambling Ghost | Technicolored Phantoms | Spirits of '76 | Viking Ghosts | Gramps the Vamp | Pterodactyl Ghost | Phantom of Milo Booth | Phantom Racer | Witch McCoy | Zombie | Futuristic Monster | Sea Creature | Captain Clements | Willawaw | Owlmen | Skeleton Men | Snow Beast | Ghost Witch of Salem | Tar Monster | Ghost of Finnyan McDuff | Old Iron Face | Jaguaro | Cat Creature | Mantis Creature | Disc Demon | Moon Monster | Ghostly Gondolier | Ghost of Juan Carlos | Anthos | Beast of Bottomless Lake
Scooby-Doo and Scrappy-Doo: Blue Scarab | Night Ghoul | Alien | Neon Phantom | Snake Demon | Sky Skeleton | Dragon Beast | Devil Bear | Sea Beast | Lady Vampire of the Bay | Star Creature | Shadow Creature | Ghost of Jeremiah Pratt | Great Haldane | Minotaur | Carl and Tony
The Richie Rich/The Scooby-Doo Show: Sylvester | The Burglar | Arabian Magician | Cat Man | Sailor | Werner Wolf
The New Scooby and Scrappy-Doo Show: Olaf the Terrible | Viking Pirates | Seaweed Monster | Great White Shark | Mud Monster | Hound of Bakervilles | Dinosaur | Creature from the Chem Lab | Masked Manx | Mr. Cyclops | Ivan | Randar the Ape-Man | Neanderthal Monster | Chameleon | Phantom of the Soaps | Clown | The Minotaur | Casey O'Reily | Gremlin | Specter of Sports Cars | Chef Maras | Mummy | McBaggy Roger
The New Scooby-Doo Mysteries: Red Skull | Maid Mummy | Norma Deathman | Sea Demons | Cyclops | Mastermind | Giant Bees | Ebenezer Overview | Codefinger | Zombies | Evil Elf | Mad Sea Lion | Dr. Van Helsing | Ghost of George Washington | Ghost of Abraham Lincoln | Colonel Beauregard | Laser Band Thief | Ghost of Sherlock Holmes | Monster Mutt | Monster Mouse | Ghost of Christmas Never
The 13 Ghosts of Scooby-Doo: Bogel and Weerd | Werewolves | Maldor the Malevolent | Queen Morbidia | Reflector Specter | Zomba | Captain Ferguson | Nekara | Marcella | Time Slime | Demondo | Rankor | Professor Phantazmo | Zimbulu
A Pup Named Scooby-Doo: Green Ghoul | Sludge Monster | Cheese Monster | Dr. Croaker | Al Cabone | Manny the Mauler | Boogedy Bones | Ice Demon | Samurai Ghost | Headless Skateboarder | BooBeard | Totem Spirit | Ghost Chef | Stinkweed | Dogcatcher Ghost | Alien Slug | Ghost of Purvis Parker | Chickenstein | Burger Monster | Dinkley 2000 | Zombo | Boogey Biker | Astronaut Ghost | Bigwig | Hooded Heifer | Moving Mollusk | Nasty-Doo | Buster McMuttMauler | Ghost of Mrs. Shusham | Waitro
What's New Scooby-Doo?: Snow Creature | Dinosaur Spirit | Space Ape | Leland Brothers | Possessed Mystery Machine | Ghost of Rufus Raucous | Jungle Demons | Motoshondu | Headless Snowman | Living Toys | Faceless Phantom | Zombie Gladiator | Baseball Specter | 30 Foot Shaggy | Mummy | Mademoiselle Chantal | Gusano Grande | Jeeves | Vampire | Marcy | Cat Creature | San Franpsycho | Invisible Madman | Scooby Snack Monster | Glasburgh Dragon | Fish Fiend | Wakumi | Centaur | Creepy Keeper | Cold Steel | Evil Mystery Inc. | Titanic Twist | Demon Farmer | Frozen Fiend | Menacing Metallic Clown | Toxic Terror | Hong Kong Dragon | Skeleton Driver | Gold Monster | Coral Creature | Rama Yam | Osomon
Shaggy & Scooby-Doo Get a Clue!: Phineus Phibes | Agent 1 | Agent 2 | Misty Swiss | Bruce and Brucey | Suki Sukihari | Evil Phibes
Scooby-Doo! Mystery Incorporated: Slime Mutant | Gator People | Ghost Truck | Man-Crab | Que Horrifico | Alice May | Phantom | Gnome | Humungonauts | Fright Hound | Vampire | Char Gar Gothakan | Cicada Creature | Lord Infernicus | Shadowy Orc | Aphrodite | Danny Darrow | White Wizard | Nightfright | Fish Freaks | Manticore | Headless Horror | Shadowy Figure | Dead Justice | Obliteratrix | Freak of Crystal Cove | Crybaby Clown | Baba Yaga | Dreamweaver | Junk | Graveyard Ghoul | Dark Lilith | Hebediah Grim | Fiend | Scarebear | Dragon | Dr. Zin | Mummy | Aliens | Rude Boy and the Ska-Tastics | Gluten Demon | Dandy Highwayman | Fake Fred | Old Daphne | Priestess | Mr. E | Ed Machine | Professor Pericles | Evil Entity | Krampus (Scooby Doo: Mystery Incorporated) | Kriegstaffebot |
Be Cool, Scooby-Doo!: Elias Kingston | Zatari Warrior Spirit | Sea Creatures | Gargoyle | Ghost of Chip Braverton | Sobek | Crystal Crawler | Headless Count | Ghost of Prima Donna | Yeti | Butler 3000 | Alien | Phantoms | Pterodactyl | Wayne Bowman | Gremlin | Sorcerer | Swamp Beast | Mr. Roundy | Cyclops | Scarecrows | Cliff Bride | El Bandito | Madcap | Viking Ghosts | Toxic Mutant | Baba Yaga | Dorsalfoot | Werewolf | Evil Jester | Houndbeast | Disorient Express Monsters | Kaniaku | Ghost of Amos Littlefield | Skull Alien | Ghost of Mother | Ghost of Archie Barnes | Mutant Rabbit | Arachne | Vampire | Plant Monster | Minus | Bubby | Iceman | Ape Man | Garbage Monster | Ghost Chef | Demon of Salem | Professor Huh | Rose
Scooby-Doo and Guess Who?: Bee Man of Alcatraz | Swamp Monster | Ghost Sergeant | Fish Monster | Screaming Skulls of London | Cat Mummy | Minotaur | Hugo Hauser | Madds Markson Monster | Technomancer | Spectral Speedster | Dinosaurs | Sia Doppelganger | Pazzo the Ghost Clown | Man-Bat | Joker

Animated Movies
T.J. Buzby | Revolta | Grim Creeper | Colonel Calloway | Dracula | Simone Lenoir | Lena Dupree | Jacques | Morgan Moonscar | Ben Ravencroft | Sarah Ravencroft | Max | Steve | Laura | Phantom Virus | T-Rex | Bill McLemore | Sea Serpent Smugglers | Wildwind | Yowie Yahoo | Mr. Smiley | El Chupacabra | Loch Ness Monster | Snookie Waeawa | Tiny-Tikis | Wiki-Tiki | Amelia von Butch | Ghost of Cleopatra | Biff Wellington | Mr. Mysterio | Professor Jeffries | Krudsky | Goblin King | Sojo | Robot Ninjas | Island Tribe | Miss Mirimoto | Black Samurai | Ranger Knudsen | Babyface Boretti | Ricky LaRue | Cookie | Shannon Lucas | Inferno | Rafe | Kyle | Gnarlybeard | Ye Phantom Parrot | Clayface | Crimson Cloak | Riddler | Henry Metcalf | Asmodeus | Cat Creatures | Dick Dastardly (2020) | Muttley (2020) | Rotten Robots | Dusty | Cerberus | Katz | Le Quack

Live Action Movies
Scrappy-Doo | N' Goo Tuana | Zarkos | Demons | Luna Ghost | Jonathan Jacobo | Principal Deedle | Ezekial Gallows | Prudence Prufrock | Wanda Grubwort | Lake Monster

Video Games
Ghoul King | Mastermind | Master Monstermind | Mindi Stiles | Robert Zabrinski | Selena Drake | Walter Peabody | Ghost Hunter Haunter | The Phantom | Toy Robotus | The Deep One | Witch Queen