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Characters / The Grim Adventures of Billy & Mandy: Supernatural Creatures

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The goddess of chaos. She possesses the powerful Apple of Discord, a golden apple which can transform into any shape to perpetuate chaos. Grim used to have a crush on her during earlier episodes, but later changes his mind, claiming her to be a "psychopath". She is also in love with Hoss Delgado, who reciprocates but finds her to be too dangerous.

  • Alpha Bitch: Gave off the vibe of being stuck-up and rude in her debut episode.
  • Art Evolution: She looks quite a bit different in her second appearance. She looks different again in her third.
  • Artifact of Doom: The Apple of Discord, a golden apple which can transform into any shape to perpetuate chaos (though Billy calls it a "magic banana").
  • Bare Your Midriff: Her attire leaves her navel uncovered.
  • Big Bad: In just about every episode she plays a major part in, she is the main villain.
  • British Teeth: Downplayed; her teeth aren't horrible, but they do have a noticeable gap. And as noted below, she has a British accent after her first appearance (where she talked like a Valley Girl and had no gap in her teeth).
  • Characterization Marches On: She went from a flighty valley girl to a more insane trickster with a British accent.
  • Cool Crown: An elegant tiara.
  • Even Evil Has Loved Ones: Eris is suggested to genuinely be in love with Hoss. Being the insane goddess of chaos, though, this usually doesn't spare him from her villainy.
  • Even Evil Has Standards: She has tried to enlist both Billy and Mandy in her pursuit of chaos, only to discover that Mandy is too evil even for her, and Billy is too destructive naturally.
  • Evil Brit: She has a British accent and is one of the show's main antagonists.
  • Evil Mentor: Frequently uses Mandy as an agent for spreading chaos, though she always does it in secret after her first episode. She attempts to do the same with Billy at one point, only to find that he's too chaotic and unpredictable to manipulate effectively.
  • Fisher King: Eris is the source of all the chaos in the world. While she isn't personally responsible for every chaotic thing to happen, she needs to actively cause some herself for their to be 'any'. When Eris stops causing it because of Hoss, all chaos in the world vanishes.
  • For the Evulz: She's the Goddess of Chaos, which pretty much means it's her job to screw with the lives of mortals for fun.
  • God of Chaos: Just like in the original Classical Mythology.
  • Gold and White Are Divine: Heavily associated with these colors and a goddess, but it should be noted that she's not a good person.
  • Gorgeous Greek: Even though she sounds British for some reason, she pretty much looks the part due to wearing a Hellenic-style toga and being very hot.
  • Hot Goddess: Pretty attractive, and many characters, including Grim during her "valley girl phase", show interest in her.
  • Impossible Hourglass Figure: She has a curvaceous and beautiful body.
  • Jerkass Gods: Lives solely to cause chaos and destruction.
  • Laser-Guided Karma: Her schemes often end up biting her in the behind.
  • Light Is Not Good: Blonde hair, gold and white clothing, frequently uses light either deliberately or as a side effect of doing something else... and to put it bluntly, a massive bitch.
  • Literal Split Personality: Word of God confirmed if Underfist had gone to series, Eris would split herself into two different versions of herself (a good version and an evil version) after being heartbroken from her break up with Hoss Delgado as the two versions attempt to win back Hoss's love each in their own crazy and chaotic ways. You can see them during the closing credits.
  • Ms. Fanservice: She's a curvy woman in a revealing outfit.
  • No Celebrities Were Harmed: Her appearance and personality are based on Madonna.
  • Physical God: While she generally relies on her apple to cause chaos, she is shown capable of doing essentially anything on her own, but simply chooses not to because it's more fun to watch chaos unfold rather than cause it herself.
  • Pity the Kidnapper: In one appearance she attempted to break up the trio's friendship by stealing Billy away as her apprentice. Not only do Grim and Mandy not care in the slightest that Billy is missing, but his incredibly stupid and inane demands that she's forced to follow (including literally watching paint dry for hours) causes her to break down into a whimpering heap by the time he's finally ready to help her with her plans.
  • Reality Warper: The ability to alter reality and make impossible things happen comes with the territory of being an evil chaos goddess.
  • Sadly Mythtaken: The Eris of Greek myth was a goddess of infighting, strife, and conflict, not the goddess of chaos(that would be Chaos, who wasn't a goddess, just a soupy, formless, sex and genderless void that existed beneath Tartarus).
  • The Trickster: Lives to screw with humanity.
  • Unexplained Accent: Why does she sound British? Never answered. But considering she sounded like a Valley Girl in her first appearance, it may be an affectation.
  • Valley Girl: In her debut appearance. Eris's accent turning from a Valley Girl accent to a British accent may be a reference to Madonna, who started speaking in a British accent later on in her music career.
  • We Can Rule Together: Offered it to Mandy in one episode. Mandy considered it but when told she'd be the "second most powerful person in the world", she promptly refused.
  • Wicked Cultured: She's quite refined despite being completely out of her gourd.
  • Yandere: Her reaction to being dumped by Hoss? Turn into a giant bug and eat him.

    Boogey the Boogeyman
Voiced by: Fred Willard

An old arch-enemy of Grim's since middle school, and a former school bully, Boogey played pranks on Grim throughout his school career. Boogey is, in fact, the Boogeyman himself, and can shapeshift in order to scare people. Unfortunately, though, he is completely unable to scare kids because they have become desensitized by modern media.

  • Arson, Murder, and Jaywalking: He blames his inability to scare children on TV, video games, and the tuba.
  • Big Bad: He is the main villain in Billy and Mandy's Big Boogey Adventure (interviews with Maxwell stated that Wrath of Khan was what inspired him to use him since he appeared in only one episode). He was also indirectly responsible for the events in Wrath of the Spider Queen.
  • Faux Affably Evil: He often acts warm and friendly, but is really nothing more than an egotistical jerk and bully.
  • Humiliation Conga: The climax of Billy and Mandy's Big Boogey Adventure has him suffer a string of humiliating misfortunes, capped off with a dog peeing on him. It is so too much for him that the epilogue states that he got completely traumatized for life.
  • Jaded Washout: He tends to boast he used to be way scarier than Grim in their middle school years, but nowadays he is just a second-rate monster that can't even scare one single child (except for Billy and Mandy's friend, Irwin).
  • Jerkass: He is also unpleasant on a personal level, as he treats all other characters like dirt.
  • Lack of Empathy: Empathy is a completely foreign concept for him. He enjoyed humiliating Grim as a kid and as an adult he sees everyone else as a potential victim to break mentally in order to cower before him.
  • Lean and Mean: He's skinny and really unpleasant.
  • Pirate: He dresses as a pirate in Billy and Mandy's Big Boogey Adventure.
  • The Rival: He has a rivalry with Grim.
  • Sinister Schnoz: He has a big pointy nose and is one of the bad guys.
  • Small Name, Big Ego: He thinks he's the scariest being alive, but according to Grim he's somehow less scary than butterflies. This shows in his attempt to scare a little kid, who saw his werewolf form as a cute dog and proceeded to hug him.
  • Smug Snake: He's self-absorbed and thinks he's better than everyone else.
  • Villainous Breakdown: After the aforementioned Humiliation Conga, he's so shaken that he lives in fear for the rest of his life.
  • Why Did It Have to Be Snakes?: Boogie's worst fear is people not finding him scary.
  • Would Hurt a Child: Granted the kids he hurts onscreen are far from saints, but he doesn't care about that, he is fine with trapping, mind-raping, throwing into lava and enslaving them, because in his own words he really doesn't like children.


Voiced by: David Warner, later Martin Jarvis

A black-skinned supernatural being with green eyes who wears a business suit. He has the ability to shapeshift, with which he can create several tentacles from his back that can electrocute his victims or turn them into beings looking like himself. What Nergal desires most is having friends, once stating that it is quite lonely in the center of the world. However, he gets better once he starts a family.

  • Affably Evil: He's generally polite, even around his victims.
  • Anti-Villain: He merely wants friends and doesn't understand how to achieve it, while still respecting their wishes and limits. When he feels accepted he is pretty nice.
  • Beneath the Earth: He lives in the Earth's core.
  • The Cameo: Underfist features a brief scene where he's on a picnic with his wife and son.
  • Character Development: Starts off as an Anti-Villain, but ends up becoming a friendly member of Billy's extended family who usually means no harm. This primarily came after he began a family of his own.
  • Crazy Jealous Guy: "Son, it's not about you liking a girl, or a girl liking you. What's important is that she can never get away from you."
  • Combat Tentacles: He can sprout tentacles from his back to fight.
  • Demoted to Extra: After marrying Aunt Sis, he didn't have any more episodes focusing on him, but instead of his son, Nergal Jr, and his quest for finding friends was quietly put down. It wasn't until the last season where he would get an episode selling pizzas.
  • Dub Name Change: To Orco (Orc) in the Latin American dub.
  • Eldritch Abomination: He's a black creature from the center of the earth with electric tentacles (some of which have mouths), removable organs and the ability to turn people into members of his kind.
  • Evil Brit: He's a dark supernatural being who has a British accent. It helps that both of his voice actors were British.
  • Good Parents: He does his best to be a good father to Junior.
  • Happily Married: He ends up marrying Aunt Sis and having a son with her.
  • I Just Want to Have Friends: His longing for friendship is Played for Laughs thanks to his mental immaturity, melodramatic behaviour and social ineptitude.
  • Interspecies Romance: With Billy's Aunt Sis, since he's a supernatural being and she's a human.
  • Large Ham: He was originally voiced by David Warner, this comes with the territory. Toned down a bit after Martin Jarvis took over.
  • Pubescent Braces: Had these as a teenager.
  • Red and Black and Evil All Over: He at least dresses the part.
  • Shock and Awe: Can electrocute people with his tentacles.
  • Shout-Out: He is a reference to a Mesopotamian deity of the same name.
  • Stalker Without a Crush: He wanted Billy and Mandy to be his friends long before he was officially introduced to them.
  • Stepford Smiler: Turns into one after coming to terms with the thought of "being a loser".
  • Tempting Fate: During his Underfist cameo, he remarks he's never been happier. Sis lampshades it right before the team's transport vehicle crashes through the dome and lets the lava in.
  • Villain Decay: While never a full on villain, he was a genuine threat to the main characters in his first few appearances, even getting his way a couple of times. After becoming a family man, he's become a luckless, neurotic loser.
  • Yandere: He is not good with rejection.

    Nergal Junior

Voiced by: Debi Derryberry

The son of Nergal and Billy's aunt Sis. As a result, he is Billy's first cousin.

  • Ascended Extra: He became a reccuring character thanks to being on the same school as Billy and Mandy, and would be the protagonist of his own episodes, moreso than his father. From a meta point of view, is justified, as Nergal Jr was more relatable with the audience than his father was.
  • Adorkable: Generally comes off as a fairly sweet, awkward kid when not violently attacking others.
  • Beneath the Earth: Like his father, he lives at the Earth's very core.
  • Berserk Button: Do not call him a freak or say he's hideous. Seriously, just don't.
  • The Cameo: Underfist features a brief scene of him on a picnic with his parents. He's the only one of the three who doesn't have lines.
  • Cheshire Cat Grin: He often has a creepy-looking and mischievous grin.
  • Combat Tentacles: He's Nergal's son after all, so of course he'd inherit being able to sprout tentacles.
  • Creepy Child: He is able to turn into almost anything and is extremely creepy. His true form (although it's rarely seen) is very horrid to see.
  • Cute Monster Boy: An adorable and dorky boy who happens to be a demon spawn. Unlike Irwin (who is also this), he's also kind of creepy.
  • Does This Remind You of Anything?? Lack of social skills , (but justified in that he's a supernatural being, in his true form), social awkwardness, limited amount of friends - similar to autism or Asperger's Syndrome.
  • Dub Name Change: To Orquito (Little Orc) in the Latin American dub, following his father translated name.
  • Eldritch Abomination: Even more so than his father; he can shapeshift, walk through walls, spawn bat-like imps from his body and freeze people in supernatural stasis. His true form is never seen in it's full glory, just snippets of it here and there, alluding to it being too frightening for the show.
  • Eye Glasses: Just like Irwin, Junior's eyeglasses change shape depending on his expression.
  • Glamour Failure: No matter what form he uses, he keeps his glasses, yellow eyes, sharp yellow teeth, and green tongue.
  • Half-Human Hybrid: Half human, half demonic entity or whatever Nergal is (Jr could count as a demigod if one believes Nergal is the Mesopotamian god he's named after)
  • I Just Want to Have Friends: Unlike his dad, not played for laughs... at first.
  • Loners Are Freaks: "Freak" is pretty much his nickname, but also his Berserk Button.
  • Nice Guy: One of the kinder characters on the show, but also a severe Yandere for friendship.
  • One-Winged Angel: His true form, which is so grotesque and deformed that it's rarely, if ever, seen onscreen.
  • Only Friend: Billy is the only character who treats him like a person, though even he immediately freaks out upon seeing his true form.
  • Shapeshifter Default Form: The form of the first kid he tried to befriend (and subsequently did away with when he was rejected).
  • Voluntary Shapeshifting: He can change into different people.
  • Yandere: Initially portrayed as violently attacking anyone who mistreated him, but becomes somewhat more passive in later episodes.

    Jeff the Spider

Voiced by: Maxwell Atoms

A man-sized spider that Billy hatched from an egg who quickly imprinted on Billy. Later tried to "grow up", with mixed results, and joined Underfist.

  • Adorkable: A Giant Spider with a heart of gold and no desire beyond to be loved by his adopted father, Billy.
  • Beware the Nice Ones: As seen in "Spider's Little Daddy", and to a lesser extent Underfist.
  • Giant Spider: He's a spider the size of a man.
  • Growing Up Sucks: He and Fred realize the downsides of being an adult in Underfist.
  • Mr. Seahorse: He's able to reproduce asexually. It's unknown if this is a trait of all Underworld spiders of if it's entirely unique to Jeff.
    • This was also Lampshaded in "Jeffy's Web", where Billy says, "But, you're a boy spider."
  • Nice Guy: Jeff is described by Mandy as being both "too nice" and "basically insane".
  • Odd Friendship: With Mandy, of all people, as she seems to be rather tolerant and respectful towards him, and she even give him advice and tries to get him to stand up for himself against Billy.
  • Progressively Prettier: He gains a more colorful character palette and a more compact design, making him look more cute than his initial appearances.
  • Selective Obliviousness: He seems completely incapable of understanding that Billy hates spiders, including Jeff himself, to the point of madness, despite the fact that Billy regularly beats him with anything he can get his hands on.
  • Those Two Guys: He is paired with Fred in Underfist, which is strange considering the two had no interaction before that.
  • "Well Done, Son!" Guy: His only real goal in life is to really have Billy love him like a son. Of course, when your dad is violently terrified of you, that isn't going to be easy.

    Fred Fredburger

Voiced by: C.H. Greenblatt

A dimwitted, pale green, bipedal furry otherworldly creature resembling an elephant with stubby horns and the tail of a devil. Ends up forming Underfist just via a drawing.

  • Alliterative Name: His first and last name both being with the letter F.
  • Big Eater: He's obsessed with food, especially frozen yogurt and nachos.
  • Breakout Character: Maxwell Atoms even referred to him as such. He was so popular that he was the network mascot during the aptly-named "Yes! Era".
  • Catchphrase:
    • "Yes!" This became Cartoon Network's slogan during the 2006-07 period, in an era known as the "Yes! Era".
    • "Fred Fredburger, Fred Fredburger, Fred Fredburger, Fred Fredburger, Fred Fredburger, Fred Fredburger, Fred Fredburger..."
  • Cloudcuckoolander: Is primarily fond of nachos and spelling his own name "real good".
  • The Ditz: Even Billy is smarter than him and that REALLY says something.
  • Dub Name Change: He is named Fredogodofredo in the Latin American dub.
  • Dumbass Has a Point: His original idea for the Underfist team is originally dismissed by Skarr as "childish nonsense", but Jeff saw potential in the idea- that Earth needs defenders from all the threats the Underworld spews out.
  • From Nobody to Nightmare: He becomes the Lord of Horror in the Bad Future.
  • Growing Up Sucks: He and Jeff realize the downsides of being adults in Underfist.
  • Honorable Elephant: He is shown to be positive, cheerful, and friendly, if oblivious to how annoying he can be to others.
  • Keet: He's a hyperactive, elephant-like monster.
  • Manchild: He lives with his mother and
  • Momma's Boy: He lives with his 'mama'.
  • The Pollyanna: He has a positive and cheerful outlook on life regardless of what happens to him.
  • Potty Emergency: "I HAVE! TO MAKE! POO-POO!"
  • The Thing That Would Not Leave: He stays over at Pale Ghoulish Juror's house and joins him in bed after the Keeper of the Reaper court ends. PGJ then proceeds to yell at him to get out. note .
  • Those Two Guys: He is paired with Jeff the spider in Underfist.
  • Trademark Favorite Food: He really likes to eat nachos and frozen yogurt, yes!
  • Verbal Tic: Has a tendency to say "Yes!"

    Jack O'Lantern

Voiced by: Wayne Knight, Maurice LaMarche (video game)

The main antagonist in the Halloween special, Billy & Mandy's Jacked Up Halloween.

  • Be Careful What You Wish For: He wanted eternal life so that he could continue playing tricks on the people of Endsville forever. He got his wish and is subsequently forced to remain isolated in his cottage for eternity after Grim decapitates him as punishment for tricking him, only able to leave once a year on Halloween to pull his tricks.
  • Big Bad: He is the main villain in "Billy and Mandy's Jacked-Up Halloween".
  • The Cameo: Subverted. He doesn't get screen time or lines, per se, but is briefly mentioned in Big Boogey Adventure during the trial scene, when Boogey lists off everyone who has stolen Grim's scythe.
  • Cynicism Catalyst: Having his head cut off and being shunned by the citizens of Endsville over the ages as a pumpkin headed freak left him rather embittered to say the least. Though he still pulls tricks on the people of Endsville once a year it's clear that he does it now out of revenge rather than his own amusement.
  • Disproportionate Retribution:
    • The members of his own town saw to it he was executed just because he didn't know when to stop pranking them. Pretty dark, given the silliness of the show in general. Demonstrated when he's sent to the underworld. This is still a bad habit of his and got his pumpkin head squashed. So it was bound to happen sooner or later.
    • His pranks were causing people injury; tricking a guy off a cliff.
    • A straighter example is how they get Jack executed. They send the Queen of Endsville a can of chocolates that's really snakes-in-a-can and signed it from Jack.
  • Do Not Taunt Cthulhu: Initially it seems that he had successfully scammed Cthulhu by forcing Grim into giving him eternal life, however, immediately afterwards he learns the hard way that pissing off a powerful supernatural entity can have dire consequences.
  • Evil Is Hammy: He's voiced by Wayne Knight. Of course he's this.
  • Evil Laugh: Has an evil laugh that he often makes while pulling pranks.
  • Fatal Flaw: Grim described Jack as once being a pleasant guy. His one problem was that he didn't know when to stop with his pranks, eventually driving the villagers of Endsville to orchestrating his death.
  • From Nobody to Nightmare: Started off as a self-centred but largely harmless trickster, then he gains immortality along with a mile long mean streak and then he gets his hands on Grim's scythe, unleashes the spirits of the Underworld and takes over Endsville in a single night.
  • Hoist by His Own Petard: When Grim came to collect him the first time, he managed to stop him with a feather on his hat leading into the deal to give him immortal life. At the end of the special, Grim uses that same feather to send Jack to the underworld.
  • The Hyena: He treated everything in life as a potential joke to the extent that he laughed in his sleep. This did change however after his bitterness for losing his head made him more jaded and abrasive.
  • Innocently Insensitive: Implied that, before decapitation, he didn't understand that he was hurting people or that people were growing sick of him, to the point of wanting to kill him. He just kept pulling pranks and making jokes with a happy smile and laughed himself to sleep, he thought he was being genuinely funny. Despite all that laughter he was causing himself, the town didn't find his harmful pranks funny.
  • Jerkass: He is a trickster, playing pranks and tricks for amusement without caring who gets hurt in the process. He was also shown using it to get what he wanted, such as when he tricked Grim into giving him immortality.
  • Near-Villain Victory: When he gains Grim Reaper's scythe he easily captures Grim and later on easily outwits Mandy's attempts to defeat him with her own tricks. He only loses at the end when Irwin unexpectedly triggers his phobia with a knight costume which triggers a chain event that leads to the defeat of his army and himself collapsed, helpless with laughter.
  • Off with His Head!: Grim decapitated him after granting him eternal life as punishment for tricking him. As Grim put it, "I decided that Jack would not be showing his face around town again - ever!"
  • The Prankster: Of the evil variety. He pulls pranks maliciously.
  • Pumpkin Person: After a deal with Grim (returning his scythe in exchange for immortality), Grim cut off Jack's head. He then replaced it with a Jack-O' Lantern.
  • Pungeon Master: After Jack captures Grim, and gets ready to decapitate him with his own scythe as revenge, he starts letting out a whole series of head-related puns. Grim is understandably not amused.
  • Silly Walk: Did this back when he was mortal. The fact that he doesn't do this anymore in the present day is a sign of how much his isolation over the years have affected him.
  • Slasher Smile: Normally, Jack's pumpkin mouth is a simple mouth with a single square tooth. But when particularly malevolent, it shifts into a maw of sharp fangs.
  • Stingy Jack: A remarkably accurate retelling of the old folktale. While several details of the story were changed (such as Jack primarily being a trickster rather than an alcoholic and Grim Reaper being tricked out of his scythe rather than the Devil being trapped by crosses) the primary points of the story were largely kept the same.
  • Tickle Torture: His favorite prank, which he also uses to steal Grim's scythe in two separate occasions. Grim later does the same to Jack to banish him to the Underworld.
  • Who Wants to Live Forever?: "Three hundred and sixty-four days a year, I can't even go the the ding-dong grocery store to buy pudding! And do you know why?" Of course it's not so much living forever than "living forever with a pumpkin for a head".
  • Why Did It Have to Be Snakes?: He has a crippling fear of knights, specifically the one that was sent to execute him all those years back. When he believes said knight had returned for him he was too frightened to fight back despite having the Grim Reaper's scythe in his hands.
  • Wound That Will Not Heal: Anything cut off by the Grim Reaper's sycthe stays off and can never be reattached. This is why, even with eternal life, Jack had to replace his head with a pumpkin after Grim lopped it off.

    Brain Eating Meteor

Voiced by: Voltaire (singing voice), Jeff Bennett (speaking voice)

A strange alien meteorite that arrives in Endsville in, Little Rock of Horrors. His goal is to devour the brains of everyone he finds and enlists Billy (who is brainless) to bring him fresh victims.

  • Aside Glance: Briefly gives an annoyed half-lidded look towards the audience when his first attempts to get Billy to bring him brains nets him a box of half-eaten "Bran" cereal.
  • Assimilation Backfire: What ultimately does him in when he eats Mandy's brain. In her own words, her brain turned out to be a bit too "spicy" for him to handle.
  • Astonishingly Appropriate Appearance: His main body looks like a brain, reflecting the fact that brains are his Trademark Favorite Food.
  • Brain Food: His entire shtick. Given that his main body looks like a giant brain, combined with the fact that he grows slightly in size every time he eats a brain implies his entire body is made up of the stuff.
  • Combat Tentacles: He has two of them which acts as his limbs. They're also the primary tools he uses to suck out a persons brain.
  • Death by Gluttony: Devouring Mandy's brain leads to his demise when she takes over his body.
  • Eats Babies: Has no qualms sucking out the brains of newborns, in fact he actually finds their brains particularly delectable.
  • Evil Is Hammy: Nearly the entirety of his screentime is spent singing a jazzy Villain Song.
  • Expy: The title card of his episode, combined with his method of operation and his penchant for singing makes him a clear one to Audrey II. The Theatre version to be precise.
  • Eye on a Stalk: A single one of these is effectively his face. It's capable of acting like a mouth and on several occasions he eats brains directly through this method.
  • Fatal Flaw: Gluttony. When he shrewdly surmises that Billy is likely hiding someone from him he eggs him to bring them to him despite the fact that he had already devoured the brains of everyone in Endsville and when he subsequently eats Mandy's brain his mind is promptly taken over and he melts away screaming in fear and pain.
  • Faux Affably Evil: Acts open and friendly towards Billy when they first meet so he could lure him close and eat his (non-existent) brain. Later on he promises to be Billy's best friend if he keeps bringing him brains and has the lobotomized victims act as Billy's playmates to keep him happy and compliant.
  • Final Boss: Returns as the last boss faced in the story mode of the video game. Complete with his Villain Song.
  • Killed Off for Real: A variation, as much as it is possible to be permanently dead in a show that breathes negative continuity. He effectively ceases to exist when Mandy's personality overrides his and takes over his body. He comes the closest to a "for real" death simply by virtue of no other episodes featuring him.
  • Near-Villain Victory: Thanks to Billy's unwitting help, he succeeds in eating every single brain in Endsville, even Mandy's though that backfires on him. Even then it's clear that Mandy had inherited his Horror Hunger and has no qualms demanding Billy to bring her fresh victims.
  • Oh, Crap!: After eating Mandy's brain his iris slowly shrinks as he realizes too late that something had gone wrong.
  • Starfish Aliens: Resembles a giant brain encased in glowing green slime with a single eyestalk and two tentacles as limbs.
  • Villain Song: He sings "Brains". From his entire entrance in fact, all of his dialogue are lyrics of the song. It isn't until at the very end that he speaks outside of singing.
  • Zombie Apocalypse: A relatively benign example. When he eats someone's brains he effectively lobotomizes them in the process (causing their eyes to turn green) and they subsequently dance along mindlessly to his song.


Voiced by: Phil La Marr

A vampire that was Grim's childhood hero.

  • Adaptational Heroism: He may not be a very nice guy, but he's nevertheless a far better person than the original novel character.
  • Berserk Button: Calling him old sends him into a frenzy.
  • Breakout Character: Introduced as part of the old horror icons alongside Frankenstein's bride and the Wolfman in "Home of the Ancients". But thanks to Phil hitting the role so enthusiastically, he made more appearances, completely eclipsing the Bride and Wolfman, even having a family connection to Irwin. He was even used for part of Cartoon Network's live action Halloween promos via a puppet.
  • Casanova Wannabe: Tends to cycle between this and Chick Magnet. As Van Helsing could attest to with the latter, when they were younger, "no woman can resist his sweet moves." However, when he did it to a teacher, she wasn't impressed at all.
  • Cloudcuckoolander: Dracula has eaten sand, mistook a cactus for a limo and failed to even realize he was suffering third-degree burns, all in one episode. Whether his age plays a role in this is unclear, though.
  • Daywalking Vampire: Except for "Fear and Loathing in Endsville" and a brief moment in his first appearance, he doesn't seem to be harmed by sunlight.
  • Dracula: Duh.
  • Disappeared Dad: He is Irwin's grandfather and is inferred to have left the family when his son Dick was young due to a misunderstanding.
  • Eats Babies: Cooks and devours the young of a giant scorpion monster in "Fear and Loathing in Endsville", much to their mother's horror.
  • Expy: Of Blacula, the joke being he bears his name despite not looking at all what most media make of him. For extra Hilarious in Hindsight, in the Blacula movie, Dracula is the one who turns Blacula.
  • Grumpy Old Man: He's elderly and has a crotchety attitude.
  • Jerkass: When the aforementioned scorpion monster expresses her shock at seeing him eat her children, his response wasn't very tactful.
    Scorpion Monster: My babies!
    Dracula: Well, maybe if you didn't make your babies so delicious, Dracula wouldn't have to eat them!
    • He also once went to Billy and Mandy's class and separated them all into two groups: "Ugly" and "Dummy," then had them stand facing the corner just so he can flirt with their teacher.
  • Jerk with a Heart of Gold: On occasion proves to be capable of compassion despite his rude ways, such as sucking poison out of Grim or giving Irwin advice on accepting his monster heritage.
  • Jerk with a Heart of Jerk: After Grim rescues Dracula in gratitude of discovering that he sucked out his poison in "Fear and Loathing in Endsville", Dracula offers to pay for their meal at the diner, but he is then walking away in the background, revealing his selfless offer to be a lie.
  • Luke, I Am Your Father: Grandfather, to be precise. Namely, Irwin's.
  • No Celebrities Were Harmed: His voice and mannerisms are based on Redd Foxx's portrayal as Fred Sanford.
  • Our Vampires Are Different: Yup. Not only is he both Redd Foxx and Blacula, but he (most likely) coincidentally resembles the novel version of Dracula more than most interpretations.
  • Psychopathic Manchild: He's a vampire who often acts immature and puts others in danger to satisfy his selfish desires.
  • Race Lift: Dracula is generally depicted as a white man, but here, he's black.
  • Screw Politeness, I'm a Senior!: "SENIOR CITIZEN!? YOU CALLIN' DRACULA OLD!?"
  • Screw This, I'm Out of Here!: When his wife beat him to a pulp (not knowing he could turn into a bat), once he was far away from her, he took off, in fear of her attacking him again.
  • Third-Person Person: He referred to himself as "Dracula" often.

    Lord Pain

Voiced by: Henry Gibson

Grim's (former) destructive servant. He's unfailingly loyal to whoever he considers his "master", as shown with Grim and later Mandy.

    Nigel Planter

Voiced by: Jake Thomas

A Harry Potter parody who resides at Weaselthorpe House at Toadblatt's School of Sorcery.

  • Affectionate Parody: Of Harry Potter. Unlike Harry, who is relatively humble and fairly skilled as a wizard, Nigel has an enormous ego and is completely hopeless at magic. He's eventually revealed to have close to no potential as a wizard at all because he isn't one: he's the heir to a peanut conglomerate.
  • Arch-Nemesis: Lord Moldybutt WOULD be his mortal foe except for that he's a real estate agent.
  • Casanova Wannabe: Uses incredibly cheesy pickup lines when flirting with Mandy, and later does the same with Herfefiny.
  • The Chew Toy: Nothing ever goes right for him.
  • The Chosen One: The wizard destined to defeat Lord Moldybutt. In actuality, he's destined to become the CEO of Planter's Peanuts, and has no future as a wizard.
  • Dub Name Change: The Latin American dub was inconsistent about this, giving him at least three different names:
    • Barry Pecas (Barry Spuds)
    • Orquito Pote (Little Orc Pot), probably got changed due to sharing name with Nergal Jr translated name. Probably not helped with how both share the same voice actor in the dub to add an extra layer of confusion.
    • Harry Popote (Harry Straw), a Punny Name similar to his inspiration. This one stuck for his two last appearances.
  • High Hopes, Zero Talent: He supposedly the one who is destined to defeat the evil Lord Moldy Butt, but he is absolutely hopeless at any sort of magic. Turns out its because he isn't even a wizard in the first place.
  • Hopeless Suitor: He tries to unsuccessfully woo Mandy and, after hitting puberty, Herfefiny Heferfefer.
  • Inept Mage: He's a horrible wizard and an even worse student, likely because he wasn't even supposed to be a student or wizard in the first place.
  • Jerkass: Primarily in his first appearance, where he's a mean-spirited prankster that steals credit for Mandy's ideas.
  • Let's Meet the Meat: He's a partial-tongue, allowing him to talk to snacks.
  • Meaningful Name: He is the heir to a massive peanut conglomerate, which, while not ever referred to by name, is heavily implied to be Planter's Peanuts.
  • Not Allowed to Grow Up: Averted. In his third appearance, he's visibly taller and sounds different due to Jake Thomas getting older. They make a joke out of it by having Billy (who always stays the same) not understand aging and puberty.
  • Retcon: In his third appearance, it is revealed that his dad is still attending Toadblatt's School due to never graduating and generally being an even bigger failure than he is. By his final appearance, however, it is revealed that his parents were the owners of an enormous peanut conglomerate and are dead.
  • The Reveal: He's unknowingly the heir to a billion dollar peanut conglomerate, explaining both his last name, his ability to talk to snacks and his incompetence as a wizard.
  • Scars Are Forever: Lord Moldybutt gave him a scar when he was a child. It later turns out to be a pen mark that can be easily rubbed off.
  • Small Name, Big Ego: Prides himself as the greatest wizard in the world, but is generally seen as a joke until being kicked out of Toadblatt's entirely by the time of "Order of the Peanuts."
  • Smug Super: Has quite the ego about being the chosen one.
  • Soap Opera Rapid Aging Syndrome: Hits puberty and doubles in height sometime before the events of "One Crazy Summoner."
  • The Dog Bites Back: In "Nigel Planter and the Chamber Pot of Secrets" Dean Toadblatts disguises himself as Lord Moldybutt and torments him the entire episode. At the end, he shrinks Toadblatt to the size of a golf ball and putts him to France.
  • Vague Age: Appears to be around the same age as Billy and Mandy in his first two appearances, but then suddenly gets a growth spurt and a much deeper voice in his next appearance, making him appear to be in his mid teens.

    Dean Toadblatt

Voiced by: John Vernon, Ronnie Schell ("Nigel Planter and the Order of the Peanuts")

The dean of Toadblatt's School of Sorcery.

  • But for Me, It Was Tuesday: When Nigel Planter tries to get even with him in his last appearance, he doesn't remember him. When asked about this, Toadblatt explains that he's tormented thousands of students every semester and can't be expected to remember all of them.
  • Dean Bitterman: He's your standard ill-tempered dean who has it in for everyone at the school.
  • Frog Men: Well, toad men, but that's just splitting hairs.
  • Same Character, but Different: Vernon passed away during the show, so they parodied this when they used the character one last time. In a take-off of when Michael Gambon replaced the late Richard Harris, the new Toadbloatt has a widely different appearance, mannerisms, and speech. A student lampshades how this couldn't possibly be the same guy before guards take her away.

    Lord Moldybutt

Voiced by: John Kassir

A creepy man who's after Nigel Planter, but only to inform him of his future as the head of a peanut conglomerate.

    Sir Raven

Voiced by: Julian Stone

A raven that occasionally narrates episodes.

  • Creepy Crows: Well, duh.
  • Deadpan Snarker: A very LOUD snarker, too.
  • Greek Chorus: His role is to comment on the story as it going on.
  • Hidden Depths:
    • If "Tricycle of Terror" is to be believed, he has a soft spot for Billy.
    • In another episode, he complains about his obscurity, implying that he's upset over his limited role in the show. Also, he can squirt cheese out of his armpits.
    Sir Raven: And what of me? What happened to Sir Raven you ask? Well you didn't ask did you!? NOBODY CARES WHAT HAPPENS TO SIR RAVEN! EVER!!!!!
  • Large Ham: "Let's watch a clip. WATCH! A! CLIP!"
  • Lemony Narrator: He's a narrator who snarks about the characters and the plot.
  • Nice Job Breaking It, Hero!: "You fools! You've messed with the natural ORDER!"
  • Punctuated! For! Emphasis!: He has a tendency to punctuate his words to hammer in his point. "IMPORTANT! COMMERCIAL! MESSAGE!!!"
  • Quintessential British Gentleman: Looks the part, but lacks the personality.
  • The Storyteller: He's often seen as some kind of narrator to the episodes featuring him.
  • Suddenly SHOUTING!: His specialty is to raise his voice without warning.
    Sir Raven: Alas, poor Billy, destined to walk the sepulchered streets of suburbia! A doomed husk of a child, do not cry for him! DO NOT CRY!!!
  • Take That, Audience!: "If you've been paying attention, it's because you're a nerd with nothing better to do."

    Velma Green, The Spider Queen

Voiced by: Kari Wahlgren

A spider-woman who holds a grudge against Grim for winning the title of Reaper instead of her.

  • Cute Monster Girl: She is defiantly one of the most attractive monsters in series. She played this trope straighter as a teenager as she had a very nerdy appearance and had a slightly Adorkable personality.
  • Disc-One Final Boss: She is set up as the main antagonist of Wrath of the Spider Queen before Arachnotaur is revealed to be the real threat.
  • Eerie Pale-Skinned Brunette: She's a sinister person with dark hair and pale skin.
  • Hive Queen: She can control all spiders.
  • My God, What Have I Done?: She instantly regrets her vendetta against Grim when she learns that the ballots he stuffed all had her name on them and that Grim had no intention of cheating to win the election.

    Arachnotaur, Spider God of Anger

The Spider God of Anger, who appears as a minotaur with the legs and abdomen of a spider.


Voiced by: Dave Wittenberg

An evil marshmallow bunny who is the main antagonist of Underfist.

  • Big Bad: He is the main villain of Underfist.
  • Deadpan Snarker: He sarcastically goes into a spiel about the "Grammar Police" when Irwin tries to correct his grammar.
  • Fluffy the Terrible: His name is rather cutesy, considering how vile he can be.
  • Greater-Scope Villain: Played for Laughs with his contributions to several characters' backstories. He boasts about being responsible for Hoss's antipathy towards monsters, Billy's fear of spiders, and sawing off Fred Fredburger's tusks.
  • I'm Melting!: He meets his end from falling into a vat of hot cocoa.
  • Jerkass: He has no problem hurting and scaring people and also admits to being responsible for Hoss Delgado's hatred of monsters, Mindy becoming a witch, Billy being afraid of spiders, and Fred Fredburger losing his tusks.
  • Killer Rabbit: Even if he is a harmless-looking marshmallow bunny, he's still very dangerous and has amassed an army of candy monsters.

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