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Robot Randy
Voiced by: Peter Fernandez
"I don't wanna destroy things..."
A robot from a whole planet of militaristic robots, who acts differently from the rest. Instead of wanting to destroy things, he wants to pick up a hobby/job of making wooden reindeer. Pressured by his peers, he lands on Nowhere and tries to take over the Bagge farm.
- Alien Invasion/Robot War: Randy's people invade other planets for a living. He's given the task of finding a planet to conquer in order to prove his worth; so he chooses Earth. He never moves beyond seizing the Bagge farmlands though.
- All of the Other Reindeer: He isn't well-liked by the rest of his kind. Ironic that he makes reindeer, no. In fact he's also red colored... hmm.
- Bully Hunter: One time he shoots Eustace, it was because he kept throwing mud at Courage. Given the way he's treated by his fellow robots, it's little wonder he has little tolerance for those who pick on others smaller then them.
- Companion Cube: He regards his wooden reindeer dolls as his friends.
- Dance-Off: He is defeated, not through combat, but in a dance battle with Courage.
- Disintegrator Ray: His head is a dome that contains a large laser cannon, which he uses to incinerate Eustace multiple times.
- Early-Bird Cameo: He's among the monsters and villains seen in the show's opening in the first season even though he doesn't appear within the series until season two.
- Genius Bruiser: Despite being a giant, destructive robot, he's rather gifted when it comes to woodcarving.
- Gentle Giant: He's a giant alien robot, but he doesn’t like destroying or invading and enjoys woodcarving.
- Humongous Mecha: He's a giant alien war robot, though fully autonomous.
- I Just Want to Be Special: He's not really interested in invading other worlds like his fellow robots, he just wants to whittle and make reindeer dolls.
- Large Ham: Due to his voice actor doing a rather dramatic Christopher Walken impression.
- Made a Slave: He enslaves the Bagge family and forces them to build statues of his likeness.
- Normal Fish in a Tiny Pond: He may not be as impressive as the other robots, but in Nowhere, he's still a Humongous Mecha with lasers.
- One-Track-Minded Artist: He only whittles reindeer statues. When another of his people mockingly asks if he can make anything else, he responds with his laser cannon.
Shwick
Voiced by: André Sogliuzzo
"By the way, name's Bushwick. But call me Shwick. Just Shwick. Don't ever call me Bushwick. Just Shwick."
An anthropomorphic cockroach who invites the Bagge family to a dusty hotel room in New York City, where just on the wall is a mousehole-sized door that has something in there that is never directly known, as all that's left of its victims are bones. Shwick is also a wanted criminal, and to hide his tracks he hires Courage to deliver a present to a scary apartment with rooms full of horrible things (one including a certain Violin Girl).
- Berserk Button: Calling him "Bushwick" sets him off. He prefers to be called "Shwick". Just "Shwick".
- Big Creepy-Crawlies: He is an anthropomorphic cockroach.
- Brooklyn Rage: From the real world Brooklyn neighborhood Bushwick. You can call that Bushwick, but not him.
- The Cameo: He makes a voice-only cameo at the end of "Ball of Revenge," complaining that he didn't get to be part of the Legion of Doom.
- The Comically Serious: A large part of his appeal is that he is always speaking in a conspicuous and sinister tone even while participating in a hair-length contest with Eustace or changing a danger sign with a skull to a not be afraid one with a smiling face.
- Creepy Cockroach: One that's as big as a human.
- Do Not Call Me "Paul": Not "Bushwick". "Shwick". Just "Shwick".
- Early-Bird Cameo: He doesn't appear until season two, but is one of the monsters and villains seen in the show's opening in the first season.
- Fat Bastard: Fat and very, very much a crook. Well, for as fat as a cockroach can be.
- Furry Reminder: At one point, we can see him meticulously cleaning his antennae like an actual cockroach.
- Goofy Print Underwear: Amusingly wears boxers beneath his gross cockroach skin. And he is very proud of them.
- Hair-Trigger Temper: It doesn't take much for his rough and violent temper to be seen. Just a broken squeegee and he immediately declares war on Courage and somehow comes to the conclusion of being double-crossed, when a whole freaking train broke into his apartment.
- Nothing Is Scarier: "Ya see dese bones? Ya wanna know what made dese bones? Ya don't wanna know what made dese bones."
- Obviously Evil: The funniest thing about him is that he couldn't look more guilty if he tried. He is a giant cockroach with a shifty demeanor who lurks in a dark alley and only Courage is even close to suspicious.
- Serial Killer: Whatever's living in that mousehole, Shwick's clearly fed a lot of people to it.
Basil
Voiced by: Tom McKeon
"Nigel, why ya tyin' up Mama Mashed Potatoes and Uncle Twinkle-Toes?"
A deranged and confused burglar who is very prone to mood swings and personality shifts. Sometimes he's convinced that the Bagges are his own relatives.
- Affably Evil: When he thinks that the Bagges are his family, he's very nice to them.
- Anti-Villain: He's an aggressive thief, though he's very mentally ill, so it at least partially excuses his crimes.
- Ax-Crazy: The crazy part of this criminal speaks for itself, though Fish-Crazy would be more accurate.
- Badass Normal: He was one of the very few antagonists on the show that was nothing more than a normal human. A terminally confused human wielding a fish, but a human nonetheless.
- Blatant Burglar: He is never seen wearing anything other than his domino mask and burglary clothing even when he gives up this way of living.
- Cloudcuckoolander: To the point where even Muriel agrees with her husband that he's nuts. His major goal in life (which he eventually succeeded in) was to be an electric eel masseuse. Yeah.
- Domino Mask: He never gets up without it.
- Early-Bird Cameo: He first appears in "The Shadow Of Courage" as one of Courage's Imagine Spots when he believes the titular shadow is a burglar.
- Evil Brit: In his "hardened criminal" identity, he's a thug with a Cockney accent. Subverted with his other affable personality.
- Lantern Jaw of Justice: Complete with "chin-butt".
- The Mentally Disturbed: On a comparable level to Fred. It's clear this guy has issues.
- Perma-Stubble: He is always slightly unshaven like your typical prisoner.
- Shamu Fu: His weapon is a big fish.
- Split Personality: It sounds impossible, but in truth he manages to invert this trope, and it's other people that he splits in his mind. At first he behaves like a hardened criminal, but then he adopts a very Affably Evil demeanor towards the Bagges, and then he goes back to being aggressive. The reason is that it's not his personality that really changes, but rather his understanding of who the surrounding individuals are; his victims become just as suddenly his relatives and partners-in-crime, as back to who they really are.
King Kong & Monkey Nephew
A duo of monkeys who secretly rule over the Banana People of the year 3001, tricking them into thinking they're being led towards salvation.
- Attack of the 50-Foot Whatever: Kong is a giant ape that easily towers over the Banana People and the Bagges.
- False Prophet: The monkey dresses up in a banana leader suit to trick the other citizens into following him to what they think is salvation, when really it's to his uncle so he'll eat them alive.
- I'm a Humanitarian: For a given definition of the trope that doesn't particularly involve human flesh, but they're beings that set up a scheme to devour the dominant species of Earth in 3001.
- Hurricane of Puns: Kong is a monkey's uncle whose nephew plays the role of top banana to trick the Banana People until they go bananas when they find out the truth. This is all played narratively in the episode and only once do they point out one of these puns out loud.
Mayan Baker
A mummy who was once the royal baker for a Mayan queen, who was a past incarnation of Muriel. He came back recognizing Muriel as the Mayan Queen and Eustace as the Royal Pooh-bah, and looks for revenge against them since he was wrongly sentenced to death.
- Artistic License – History: The ancient Mayans didn't usually mummify their corpses — although that could be explained as it being inflicted on the baker as a punishment — and South American mummies weren't wrapped in bandages like their Egyptian counterparts. Tangentially related, although obviously meant as a joke, Pooh-Bah isn't an actual rank in Mayan society (or any society for that matter). It's a character from a Gilbert and Sullivan light opera, a very high ranking minister of state... in Japan.
- Body Horror: The description of his torture invokes unsettling imagery regarding his anatomy. Including his mouth sewn shut and his eyebrows plucked. And keep in mind the steps that go into the mummification process.
- Clear My Name: What he really wants. He's understandably angry at the princess he served for having him tortured and mummified, but after the incident gets reenacted with his innocence being proven, he backs off.
- Early-Bird Cameo: In spite of making his full debut in season two, he can be seen in the first season's opening.
- Frame-Up: It was the Royal Pooh-bah who caused him to be mummified, as he was stealing cookies behind the queen's back, and the baker had tried to stop him. Once Courage has the scene re-enacted (via hypnosis), only this time ending with the Pooh-Bah revealed as the culprit, does he finally find peace.
- Mouth Stitched Shut: His lips were sewn shut as part of the mummification process.
- Mummy: A rare Mesoamerican example of an undead preserved corpse, even if it still invokes a few of the Egyptian stereotypes associated with mummification.
- Red Eyes, Take Warning: All that can be seen of his face are glowing red eyes.
- Show Some Leg: Hilariously hitched a ride by exposing his leg to Di Lung and it worked, despite the fact that the sexy leg obviously belonged to a centuries-old rotting corpse.
- Shown Their Work: The ancient Mayans did believe in reincarnation, so it makes sense that an undead Mayan with a grudge would go after the ones he thinks are the reincarnations of the ones who wronged him.
- The Unintelligible: Due to having been dead and mummified, he can't speak properly or clearly. Having his mouth stitched closed probably doesn't help.
- Tragic Villain: He never actually harms anyone. All he really wants is vindication for being wrongly punished centuries ago. Once Muriel — hypnotized to think she's the Mayan queen — exonerates him, he is satisfied, and only demands a warm blanket to rest in as compensation.
Doctor Gerbil
Voiced by: Dennis Predovic
"Actually it's doctor. Doctor Gerbil. But my friends call me Lou-Lou May."
A gerbil in vacuum salesman garb who supposedly owns a line of products with his name. In reality, he's a cruel scientist wanting to turn the Bagges into his unfortunate lab rats.
- Amazing Technicolor Wildlife: He is a purple-furred gerbil.
- Ax-Crazy: His acts of mad science and insane vigilante action say it all.
- Con Man: A door-to-door salesman who intends to kidnap would-be customers.
- Faux Affably Evil: He acts like a Southern Gentleman, but is actually a Mad Scientist who enjoys tormenting his subjects.
- Fish Eyes: They're slightly different sizes too.
- For Science!: Performs all sorts of torturous experiments on humans, just to satisfy his curiosity. Some of his dialogue implies that he used to be a lab rat, so he might be doing it for revenge.
- Half-Dressed Cartoon Animal: He wears plaid top-coat, a bowtie, and a bowler hat, but no pants.
- Honest John's Dealership: A vacuum salesman is a dubious profession as it is, but for him its a front to kidnap people for experimentation.
- Informed Species: Despite his name, he looks more like a guinea pig than a gerbil.
- Just the Introduction to the Opposites: Here we have an animal kidnapping and experimenting on humans instead of the other way around.
- Killer Rabbit: He's a cute-looking, if very large gerbil, but he's also evil and sadistic.
- Madness Mantra: The annoyingly catchy jingle that plays in his evil lair:"It's Doc Gerbil's World! It's Doc Gerbil's World!..."
- Mad Scientist: He kidnaps humans to experiment on them with his consumer products. He implies that this is revenge for the same being done to him in the past.
- Ridiculously Cute Critter: Or at least he would be if he wasn't so...unnerving.
- Rodents of Unusual Size: He's about the same height as Courage.
- Smug Snake: See the quote above. He fancies himself a refined salesman when he's nothing but a crazy evil scientist.
- Southern-Fried Genius: An impressive Mad Scientist with a Dixie accent.
- Wicked Cultured: A man of science with a refined bearing and genteel mannerisms. He's also freaking insane.
Mustafa al Bacterius
Voiced by: Arnold Stang
"You humans are not satisfied messing with your own planet. You feel the need to mess with space also. Well, if the sun wants to fizzle, let it. We like it dark. So get a flashlight and some D cells, cause it's lights out, space clowns!"
An alien parasite who tries to stop the Bagges from fixing the Sun.
- Bizarre Alien Biology: Part of a parasitic species that can survive in absolute darkness and (supposedly) cold, not caring that the Sun is about to extinguish itself and trying to stop Courage from fixing the issue.
- Determinator: Getting blasted out of a spaceship toilet into the vacuum of space wasn't enough. At the end, he's now infected Eustace.
- Fish Eyes: His eyes are huge and crossed, standard for several other characters in the series.
- Gag Nose: A big bulbous one that somehow fits inside his helmet.
- Knight Templar: He believes that Earthlings have no right to mess with the natural order of outer space, even if it's for good intentions.
- Mind Control: He hijacks Muriel's brain to sabotage their mission.
- Solar CPR: His episode centered around resuscitating the Sun.
Katz's Mutant Jam
A recipe of sentient jam that Katz cooks up in order to terrorize his rival in a cook-off, Muriel.
- Blob Monster: Made from living jam.
- Cyclops: Has a single eye.
- Mook: By far the only other time Katz has ever "employed" something to attack the Bagge family in his stead, creating this creature so it would go after Muriel.
- Weaksauce Weakness: Of all people, Eustace manages to send it screaming it terror after scaring it away with his "Ooga Booga" mask.
Guardians of the Golden Hat
Voiced by: Arnold Stang (Monk Leader), Todd Stashwick (Subordinates)
Monk Leader: "Okay. You better give up the hat, or one of you is gonna be sacrificed!"
A clan of hooded monks who guard the Golden Hat Eustace tried to get his mitts on. After he refuses to give it back to them, they awaken a large stone golem to have one of them (Muriel, naturally) sacrificed as punishment.
- Anti-Villain: They're pious monks who renounced vanity and material gain to protect an ancient relic. They're not necessarily evil, but they'll immediately leap into sacrificing offenders who try to take the Golden Hat from their temple.
- Eyes Always Shut: It's not clear if they're doing that on purpose or they're suppose to be some sort of East Asian sect.
- Fat Bastards: Perhaps implied that they are very gluttonous for people who chose an ascetic way of living.
- Gag Nose: All of them have bulbous noses that poke rather conspicuously out of their hoods.
- Gonks: They're pretty odd-looking even for this show.
- Hypocritical Humor: They hate vanity, but Courage defeats them and their huge golem by making them embrace outward appearance through some fashionable clothes.
- Living Statue: To sacrifice Muriel, the monks awaken a huge statue that supposedly represents a deity of worship. Courage has to deal with the statue as well as the cult, so he makes sure to get a nice extra large jacket for it as well.
- Logical Weakness: Both the stone golem and their temple is protected by some kind of magic that depends on their faith and lack of materialism. Therefore, corrupting them into becoming vain through fashion immediately causes the golem and their temple to come crashing down to rubble.
- Taken for Granite: Turns out the Golden Hat is cursed and will turn its thief into stone. Eustace finds out the hard way.
Sharky
"Aye, me mateys! The wind's right, the salt is callin'! ...and the party's over."
A mean-spirited captain who mans the ship the Bagges use to see Carmen the sea monster. Little do the Bagges know he's trying to capture Carmen.
- Ax-Crazy: He's obsessed with hunting a sea monster who is actually harmless.
- Big Bad Wannabe: He doesn't even come close to capturing Carmen. If anything, Carmen instead defeats him herself by causing a bunch of stalagtites in her cave to fall around him in a cage formation.
- Con Man: He offers a free peaceful river cruise to the Bagge family, only to have them shanghaied into becoming his crew to capture a giant serpent.
- Dressed to Plunder: Seriously, he is like a sketch from a child's drawing book about pirates.
- Beard of Evil/Seadog Beard: Like a pirate stereotype, he has a huge bushy beard.
- Eyepatch of Power: Wouldn't look like a pirate without an eyepatch.
- Hook Hand: He actually has an organic hand he pops off and replaces with a hook.
- Evil Is Hammy: He is hammy to the point of drooling as he speaks.
- Expy: A modern version of Ahab chasing his own personal Moby-Dick, except here it's a giant red serpent.
- Jerkass: He abuses his crew, especially Courage. He's also a jerk for trying to kill Carmen.
- Pirate: He turns out to be a river pirate, rather than a cruise boat captain.
- Talk Like a Pirate: Given his real appearance and objective, his accent couldn't be anything else but this.
Kangaroo Monster
Voiced by: Lionel G. Wilson (Kangaroo Eustace), Marty Grabstein (Kangaroo Courage)
A giant, prehistoric kangaroo. Eustace and Courage both turn into these after receiving bone transplants from the remains of this ancient creature, the latter doing so in response to Eustace going pretty much crazy over the power it gives him.
- Attack of the 50-Foot Whatever: The Kangaroo Monster is gigantic. Kangaroo Eustace even gets to kidnap Muriel and go on a rampage through cities around the world.
- Giant Equals Invincible: Nothing can hurt or defeat them. The computer points out to Courage the only thing that can stop a Kangaroo Monster, is another Kangaroo Monster. This forces Courage to have a transplant himself from Dr. Vindaloo, and become one.
- Kangaroo Pouch Ride: Eustace carries Muriel in his pouch at one point. Courage later does the same, but giving her a ride back home instead. Their pouches can actually hold a lot, and Courage uses this to force-feed Eustace endless croissants until he's defeated.
- Takes One to Kill One: Courage turns himself into a kangaroo monster to fight Eustace and save Muriel.
- Transformation Horror: A prehistoric kangaroo bone being surgically transplanted into Eustace was the cause of everything.
- Villainous Legacy: The Kangaroo Monster itself has already become extinct; the main conflict in the episode centers on Eustace becoming the Kangaroo Monster as a result of the surgical implant.
The Alien
Voiced by: Jon Adams (Alien), John R. Dilworth (Alien's Master)
Alien
Alien's Master
"Car broke. Phone? Yes?"
An alien who tries to extract the essence of kindness from Muriel for his master in an attempt to achieve universal conquest.
- Aliens Are Bastards: He turns Muriel into a nasty Jerkass, and conspires with his master to take over the galaxy.
- Brain Monster: His body consists only of an exposed brain, two eyes, and three tentacles for limbs. His master is an even larger brain-creature.
- Heel–Face Door-Slam: He turns nice and polite after getting splashed with kindness, even helping Courage and Muriel escape his master. Courage rewards him by blowing both him and his master up with a Cartoon Bomb.
- Hugh Mann: Like many other villains, he fools Muriel and Eustace with a poor disguise (in his case, a fedora and trenchcoat); despite how painfully obvious it is that he isn't human or any sort of Earthly creature.
- Liquid Assets: His tentacles can drain one's personality traits, literally rendering them into a liquid form. Their plan is to steal the trait of kindness for some kind of galactic domination scheme.
- Red Eyes, Take Warning: Meant to make him resemble "It" from A Wrinkle in Time. Neither are pleasant beings.
- Starfish Alien: He and his master are definitely some of the more bizarre-looking creatures on this show.
- Took a Level in Kindness: Unwillingly, after getting splashed with some of Muriel's kindness. He immediately releases both Courage and Muriel and lets them leave.
- Verbal Tic: Often replies to others with "Yes".
The Whip
Voiced by: Lionel G. Wilson
"I'll be back in a year, at sundown, to get me loot from those what swindled me! And ain't no "lawman" gonna stop me!"
Eustace portrayed as a villainous cowboy who wielded a whip in an Imagine Spot for a story Muriel was reading.
- Amazing Technicolor Population: After becoming a zombie, his skin is green.
- The Dreaded: Almost everyone in the Wild West city is afraid of him to the point that once word spread that The Whip has returned, they immediately high-tail themselves outta the city.
- Expy: He's Angel Eyes from The Good, the Bad and the Ugly with Zorro's aesthetic. Also a zombie, because why not.
- Four Eyes, Zero Soul: He wears glasses and is just as mean as Eustace.
- Lantern Jaw of Justice: Inverted: he has Eustace's impressive jawline, but he's a villain.
- Lean and Mean: Skinny and very unpleasant like Eustace.
- Opaque Lenses: His glasses' lenses are not transparent.
- Our Zombies Are Different: He's a revenant (sapient zombie), portrayed with green skin and mostly-human appearance.
- Piano Drop: He gets defeated (and possibly killed) this way: Courage sends him a present (despite the Whip's insistence that "it's not me birthday") containing a large bullseye. The whip throws it to the ground and stomps on it in confusion… only for a fighter jet to fly by and drop a piano right on top of him.
- Scary Shiny Glasses: Much like Eustace. Unlike Eustace, he's explicitly evil.
- The End... Or Is It?: Somehow appears outside the story once Muriel finishes reading. And that's the end of the episode.Courage: *with faux-cowboy accent* Well, Here We Go Again!.
- This Is Gonna Suck: He lets out a quick "uh-oh" a split second before his defeat-by-Piano Drop.
- Zorro Mark: Leaves whip-marks in the shape of a "W".
Jeeves Weevil
Voiced by: Paul Schoeffler
"Commonly known as the 'butler bug', madame. We live to serve."
A rather gentlemanly anthropomorphic weevil who treats his hosts seemingly well, except it's a front for him to feed off their blood and nutrients, leeching off his hosts for his own benefit.
- Affably Evil: He acts very polite. Always offers to help yet it turns out that what he really does is to offer himself more helpings.
- Autocannibalism: How he's ultimately stopped. Courage tricks him into rather grossly drinking his own body fat, turning him into a harmlessly small bug.
- Big Creepy-Crawlies: He's a 6-foot-tall insect. After Courage defeats him, he shrinks down into a normally tiny weevil.
- Big Eater: Devours most of a watermelon in seconds, rind included. Besides feeding on human body fluids, he also seems to enjoy boiled broccoli, to the extent that he'll eat it even if it's rancid and has been between his toes for a week.
- Bitch in Sheep's Clothing: His "gentlemanly" acts were only done for him to prey on other living beings by literally sucking the life out of them, such as Eustace and Muriel.
- Borrowed Catchphrase: Borrows Eustace's "Stupid Dog! catchphrase after Courage defeats him.
- The Butler Did It: He's posing as a butler just so he can eat Eustace and Muriel.
- Character Catchphrase: "I don't want to impose..."
- Con Man: He's most likely not actually a butler, just a rather sophisticated imposter.
- Does Not Like Spam: Jeeves has the desire to suck the life out of anyone he meets, but when Muriel asks if Courage would like a turn, thinking she's getting a massage, Jeeves indirectly admits that he doesn't feed on dogs.
- Evil Brit: Sounds like a classic English gentleman.
- Extreme Omnivore: Fresh food, overcooked food, rotten food a person's bodily fluids it's all fair game to him, though he curiously won't feed on dogs. He uses this to his advantage when Courage takes issue with his presence, challenging him to an eating contest of increasingly disgusting foods. While Courage struggles with every mouthful, he's merely having lunch. His indiscriminate palate ends up doing him in though, when he gets his proboscis stuck onto his own body and he doesn't realize anything's wrong until he's drained himself into a tiny insect.Jeeves: I'm an expert at eating foul stuff, you know. Studied at the Bad Taste Academy at Mold-on-Crumpet.
- Half-Dressed Cartoon Animal: Especially odd because he's wearing full evening dress otherwise. Just no pants.
- Informed Species: Is said to be a weevil despite being a housefly in all but name.
- Irony: He's practically refined, but in truth, he's anything but gentlemanly in front of others.
- The Jeeves: His name is even "Jeeves Weevil".
- Lean and Mean: With blood though he satisfies his Horror Hunger.
- Red Eyes, Take Warning: He has red eyes even though the effect is rendered moot by the fact that they are compound eyes.
- Sharp-Dressed Man: He dresses like a quintessential gentleman, aside from the fact that he's really a big bug.
- Smug Snake: He never loses his smarmy tone or haughty confidence, which his manners actually complement, except at the very end when Courage finally figures out how to beat him.
- Vampiric Draining: He drains Eustace and Muriel of their body fat and blood, which gradually causes them to shrivel up into emaciation (with Eustace eventually crumbling into a pile of dust).
- Wicked Cultured: His refined dress and manners are just a cover for the fact that he's a life-stealing insect.
The McPhearson Phantom
Voiced by: Billie Lou Watt
"Don't be shoutin' in me ear. We're after the same thing."
A ghost who haunted the Bagge household one day to torment Muriel and Eustace in order to destroy their marriage.
- Cool and Unusual Punishment: Practically all her murder attempts are cartoony slapstick even at their worst, although they do become more and more lethal as she continues.
- Early-Bird Cameo: She doesn't appear until season two, but one of the creatures seen in the first season's opening is a white ghost that resembles her.
- Evil Is Hammy: She is a pretty loud (and mouthy) presence.
- Fat Bitch: She must have been a rather portly woman in life.
- Heel–Face Turn: Kind of. After learning it was actually Ma Bagge's ancestor who killed her husband, she stops tormenting Muriel and switches gears to Ma Bagge.
- Living Shadow: A smoke-like spirit that looks like a shadow with a simplistic face.
- My Significance Sense Is Tingling: Once Eustace and Muriel reconcile, "I sense a disturbance in the force!"
- Our Ghosts Are Different: Appears as a black and shadowy phantom.
- Overcrank: Her body moves at a much lower frame rate to make her appear more otherworldly.
- Right for the Wrong Reasons: It really was the great great aunt of someone in the Bagge family who murdered her husband, it just wasn't Muriel's, or even Eustace's.
- Red Eyes, Take Warning: She has red eyes when she's pretty pissed off.
- Revenge by Proxy: She tries to ruin Muriel's marriage, because she believes that Muriel's great-great-aunt fed her husband to the Loch Ness Monster. Though it later turns out that it was actually Ma Bagge's great-great-aunt who was responsible for the murder.
- Unfinished Business: A family vendetta she started is why she's come back from the dead.
- Violent Glaswegian: She is apparently Scottish.
The Spirit of the Harvest Moon
Voiced by: Fred Melamed
"On this night of the Harvest Moon, when all that grows from the soil is celebrated and offerings are made, you have nothing."
A spirit representing the Harvest Moon and the autumnal equinox, appearing as a giant floating head in the Bagge house's basement. It curses Muriel and Eustace to either leave their house or grow something to appease it, lest they face the consequences.
- Ambiguously Evil: The Spirit values work over everything and is actually implied to be benevolent... unless you are Eustace and you dare to mock him while being a lazy slob. For what it's worth, it does good on its promise and leaves the Bagges alone when Courage finally appeases it.
- Bald of Evil: It has no hair, but does have a very nightmarish presence.
- Bargain with Heaven: It appears because the Bagges pray to it on the festival of the Harvest Moon to help their crops grow, but they never have anything to offer in return. It decides to take their entire farm in compensation.
- Black Eyes of Evil: There is no light in the spirit's blank eyes. However, it would be more correct call this Black Scary Eyes, since he's not evil, at least not completely.
- Character Catchphrase: "Get... ouuuuut."
- Cold-Blooded Torture: Because Eustace stubbornly refuses to get off his rear and meet its demands, the spirit traps him and Muriel in the basement and starts raising the heat, seeking to kill them through slow, painful dehydration.
- Deadpan Snarker: Makes some dry remarks to Eustace about his ineptitude as a farmer, which even devolves into slightly-petty insults as it and Muriel just rub his incompetence on his face.
- Demon Head: It manifests as a big, floating head.
- Eldritch Abomination: All we know about this mysterious spirit is that it's some sort of agricultural deity. And a very creepy, angry, sinister one to boot.
- Evil Is Hammy: It wouldn't have been complete without a thundering presence. Ironically, it never needs to raise its voice to achieve this.
- Evil Sounds Deep: Incredibly deep, even sounding nightmarish.
- Genius Loci: The spirit's power was causing the house itself to attack Eustace and Muriel.
- Knight Templar: Its only concern is making sure that Eustace, as a self-described farmer, actually grows a crop for the first time in years, threatening to kill him and his wife if he fails.
- Medium Blending: A real live-action head was used to make it, adding a filter over him to make it look spookier.
- Mind over Matter: Uses telekinesis on household objects to attack and intimidate the Bagges.
- Secret Test of Character: Its dialogue when it departs suggests that it was simply trying to encourage Eustace to grow something on his own rather than relying on the Spirit for help. Eustace, being irascible, stubborn and incompetent, doesn't get it, so Courage has to bail him out.
- Synchro-Vox: The Spirit uses the technique of filming live-action lip movements in a cartoon.
Sand Whale
Voiced by: Arnold Stang
"He's standin' right THERE! Don't try to fool me!"
A sand whale who has a vendetta against Eustace's father Ickett for stealing his accordion, which has become a family heirloom according to Eustace's mother.
- Anti-Villain: Not exactly "evil" so much as "stubborn and refusing to listen".
- Character Catchphrase: "ICKETT?! ICKETT BAGGE?!"
- Evil Is Hammy: He's not all that evil, just a little too intense with his grudge against Ickett. But he sure is dramatic.
- Expy: An inversed expy of Captain Ahab due to being a whale who's obsessed with getting even with a human who took something from him. In this case, he is satisfied when he gets his accordion back. At which point Ma Bagge turns into the Ahab to get it back.
- Jerkass Has a Point: While he's going after the wrong person, he has legitimate reasons to be as pissed off as he is.
- Large Ham: Both literally and figuratively in this case, as he's dramatic in speech and also very huge, being a whale and all.
- Monster Whale: Downplayed. While he plays an antagonistic role, he has the understandable motive of wanting his stolen property back, even if he's taking his grievances out on the wrong person.
- Sand Is Water: For him, sand is possible to swim through like water.
Dr. Zalost
Voiced by: Paul Schoeffler
"If you don't fund my project, I'll use your city as research! And that would make the people very... unhappy."
The world's unhappiest scientist and a weapon expert, having created a type of cannonball that can make anyone it hits feel miserable and depressed like himself. Armed with the cannons of his giant walking tower, he starts a siege at Nowhere in revenge for being denied a government research grant from the mayor.
- Amazing Technicolor Population: He has green skin to reflect his sorrowful mood. But after he eats Muriel's plums, it changes to a healthy natural color to showcase his newfound happiness.
- Big Ol' Eyebrows: His eyebrows take up a good third of his face.
- Collapsing Lair: When Courage mixes Muriel's happy plums into his cannonball formula, the overload causes the entire tower to come crashing down and the happy cannonballs explode out like a volcano, returning the people of Nowhere to normal.
- Creepy Crossdresser: Downplayed, but he wears high heels.
- Emotion Bomb: He terrorizes Nowhere with scientifically enhanced cannonballs that make their targets depressed and lethargic.
- Evil Laugh: When he does laugh, its a textbook example.
- Evil Sounds Deep: One of the deepest voices in the show. And very evil.
- The Eeyore: He suffers from severe depression.
- Greed: Subverted. He asked for an enormous sum to turn the people of Nowhere back to normal, but this wasn't out of a desire for material wealth. He did in the hopes that the money would bring him happiness.
- Green and Mean: He's a villain with green skin. His Heel–Face Turn has his skin become a normal human color.
- Heel–Face Turn: After eating Muriel's "happy plums", he becomes a cheerier and nicer person.
- Herr Doktor: It's not said where he comes from, but he has a vaguely Eastern European accent and his name is a Croatian/Serbian word.
- Hypocrite: Zalost berates humanity for being selfish, after he literally just stated that no one deserves to be happy if he can’t, and has subjected an entire town to his experimental cannonballs after being denied money.
- Laser-Guided Karma: A strange positive case where no matter how unhappy he is, he still considers plums to be his favorite. This ends up helping him when he stops to try Muriel's happy plums, and needless to say, they're the best he's ever had.
- Lean and Mean: Short, thin, and deeply unhappy.
- Mad Scientist: Or rather a Sad Scientist, as he's more unhappy than unhinged.
- Meaningful Name: "Zalost" means "sorrow" or "sadness" in Serbian/Croatian (both are the same language, but there is a naming dispute that crosses the line of civil editing, so check The Other Wiki for more info).
- Red Eyes, Take Warning: He notably loses his red eyes when he loses his depression.
- Sore Loser: He and Courage get into a round of Hangman. Courage manages to correctly guess the word. He growls that Courage cheated and fires a cannon at him. (To clarify, it was a four letter word with two "O"s as vowels and he had a cannon as an obvious clue).
- Thin Chin of Sin: He has a rather pointy chin.
- Took a Level in Cheerfulness: Thanks to Muriel's "happy plums", he finally loses his depression.
- Trademark Favorite Food: According to him, plums were already this before he ate Muriel's.
- Woobie, Destroyer of Worlds: Zalost is a clinically depressed Mad Scientist envious of other people's happiness. Desiring to make everyone as miserable as him, Zalost rains cannonballs down on Nowhere, converting its denizens into hollow shells of their former selves. Even when the mayor of Nowhere relents and pays him handsomely to cease his attack, Zalost decides to continue it after noting that the money still didn't make him any happier.
- You Said You Would Let Them Go: Despite the mayor paying Zalost over $33 billion dollars, Zalost goes against his word to turn the people of Nowhere back to normal. It's not because he was lying out of malevolence, but out of disappointment that the money didn't help make him happy.
Rat
Voiced by: Arnold Stang
Dr. Zalost's assistant.
- A Dog Named "Dog": A rat named Rat.
- Aw, Look! They Really Do Love Each Other: He and Zalost don't seem to get along very well until they each end up having some happy plums, which makes Zalost help calm down the now baby Rat by giving him a hug.
- Minion with an F in Evil: Inverted. He's pretty good at doing Zalost's dirty work, but he's awful at doing the one thing that Zalost really wants him to do: giving hugs. After the happy plums help get rid of their negative qualities, it seems Zalost is better at giving him hugs.
- One-Winged Angel: Getting hit by one of the cannonballs makes him a buff, angry monstrosity.
- Red Eyes, Take Warning: Just like his master. Unlike his master, he keeps them when he's turned good.
- Rodents of Unusual Size: He's pretty large for a rat to begin with, being about the same size as Courage. After getting hit with one of Zalost's unhappy cannonballs, he grows into a huge monster. But after swallowing some happy plums, he shrinks down to a baby.
- Silent Snarker: Never says a word, but his contempt for Zalost is made perfectly clear by the annoyed groaning sounds he makes.
- Throw the Dog a Bone: More like "Throw the Rat a Bone"; after getting turned into a baby, he's constantly seen crying throughout the remainder of the episode, until the reformed Dr. Zalost cheers him up at the end.
- You Dirty Rat!: A rat assisting Dr. Zalost in robbing everyone of happiness.
