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Characters / The Grim Adventures of Billy & Mandy: The Main Trio

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    All Three 
  • Comic Trio: Mandy (leader), Billy (follower), Grim (complainer).
  • Nice Mean And Inbetween: Good natured, Happy-Go-Lucky Billy (nice), Cynical, Sadistic Mandy (mean), and surly, sane Grim (inbetween). Later seasons have Grim and Billy trade of their respective roles, as Grim tends to be laid-back and reasonable while Billy is oftentimes thoughtless and reckless when the situation calls for it.
  • Villain Protagonist: Grim is, well, The Grim Reaper, and Mandy is a completely amoral being bent on ruling the world. Billy turned into this as the series went on, turning into a selfish, destructive, Ax-Crazy maniac by the series end.
  • With Friends Like These...: They're all pretty terrible friends to each other. The premise of the show is already Billy and Mandy toying around with Grim, but Grim and Mandy are often verbally abusive towards Billy and can be completely indifferent to some of the plights he goes through, while Grim and Billy have a few moments of being cruel to Mandy when she isn't being cruel herself.

    Grim 
Voiced by: Greg Eagles
https://static.tvtropes.org/pmwiki/pub/images/grim_804.png

The Grim Reaper who is fated to be Billy and Mandy's "best friend" forever after losing a limbo contest to them.


  • Abusive Parents: Depending on the Writer; his mom always complains about his lack of enthusiasm for his job and his dad would never talk to him and always listened to country music.
  • Acquainted with Emergency Services: He has this relationship with the nursing staffs at the retirement homes when he comes for the elderly residents, as shown in Season 5 "Home of the Ancients".
    Gloria: Hi, Grim.
    Grim: S'up, Gloria.
    Gloria: Aw. Are you here for Mr. Silverman?
    Grim: No. That's next week.
  • Adorkable: Despite being the shadow of death itself, he has his fair share of adorably dorky moments throughout the series, especially during the flashback in Wrath of the Spider Queen.
  • Affably Evil: Is remarkably polite when he isn't putting his scythe to work or getting bossed around by the title characters.
  • The Ageless: Looks no different from how he looked centuries ago due to being a living skeleton with no skin.
  • And I Must Scream: Eternally a prisoner to Billy and Mandy. Can't violate his contract with them or else he'd then spend an eternity in the Underworld Prison.
  • Anti-Hero: He's an anti-hero only when a greater evil threatens the world or Billy and Mandy.
  • Anti-Villain: He's not The Grim Reaper by choice, but because he was forced by his parents to be (though this does flip-flop around. One special revealed being a Reaper was being voted by your fellow students in high school). He's also constantly getting his weight thrown around by Billy and Mandy. In fact, if he didn't suffer these two circumstances, he almost wouldn't be villainous at all. That's proven, as he's a fairly nice guy, whenever he's not on his job to take someone's life.
  • Badass Boast:
    • "You don't know who you're messing with, man! I am The Grim Reaper!"
    • He had another good one in "Grim vs. Mom".
    Grim: Foolish mortal! I don't think you know who I am. Let me give you a hint! (Magics up his scythe)
  • Badass Longcoat: As expected of the Grim Reaper.
  • Badly Battered Babysitter: His general function in the show is to suffer from having to look after Billy and Mandy.
  • Beware the Nice Ones: He's pretty nice when not reaping, though it has been made clear on several occasions that despite his attitude and butt monkey status to Billy and Mandy, he is not one to be trifled with when his patience is at an end. Just ask Jack O' Lantern.
  • Butt-Monkey: He's the biggest one of the trio. Just about everybody on the show treats him badly. This is mostly played in the first season, where most episodes were focused on making his life as miserable as possible, such as Opposite Day. Later ones tend to downplay it in favor of other characters like Irwin, with him getting along better with Billy and his dad or even Mandy. It still comes in full force in some late seasons episodes, though, such as No Body Loves Grim or Be A-Fred, Be Very A-Fred, where he is literally fired by executives.
  • Can't Stand Them, Can't Live Without Them: On several occasions when he is given the opportunity to be free of Billy and Mandy, he finds being without them even worse than being stuck with them.
  • Characterization Marches On: In the pilot, Grim was played up for spooks and light horror value until his defeat, and even in following episodes he expressed a desire to escape his eternal captivity and even tried to get Billy & Mandy killed. Before you've even reached the halfway point of the series, he's become such a tremendous Butt-Monkey that the narrative rarely takes him seriously until it's time to pull out his powers (if they even work), and he's shifted into a much more comical character that doesn't even take his job seriously anymore. Just don't push him too far.
  • Conditioned to Accept Horror: In Big Boogey Adventure, he's able to get Horror's Hand, which requires someone to face their worst fears, because his worst fear is having to spend time with Billy and Mandy, which he has to do every day anyway.
  • Crouching Moron, Hidden Badass: While being pushed around by Billy and Mandy, he still knows how to get the job done as the reaper and kick a mean can of ass. He can be legitimately frightening when he wants to be.
  • Dark Is Not Evil: Zigzagged. He may be a skeleton in a black cloak who collects people's souls when they die and occasionally helps speed up the procedure, but at the very least he's nowhere as evil as Mandy.
  • Deadpan Snarker: He makes a lot of death jokes and underworld puns. He's also prone to making cutting remarks about Billy's idiocy.
  • Death Is a Loser: He's portrayed as an unpopular sissy even before he becomes the kids' servant. In his past, it is shown he didn't even want to be the Grim Reaper, it was just something his parents forced him to do. He took up his role in full swing in order to terrify and get revenge on those who bullied him at school.
  • Dem Bones: Grim is a living skeleton under his robes. More than once, the other two protagonists have been known to take him apart in order to carry him in a backpack or other small container.
  • Dimensional Cutter: He can open up portals to the underworld or other dimensions by simply ripping thin air with his scythe.
  • Does Not Like Shoes: He is rarely shown wearing shoes.
  • Don't Fear the Reaper: Downplayed; he's an Affably Evil Punch-Clock Villain who can be scary when he's reaping somebody but is otherwise a nice guy.
  • The Dragon: Has to obey Mandy, who is evil and intent on world domination.
  • Dub Name Change: From Grim Reaper to "Puro Hueso" (Pure Bone) in the Latin American version, mostly referred as Huesos (Bones) by the cast. He is also nicknamed "Huesitos" (Little Bones) affectionately by Billy.
    • In the Brazilian Portuguese Version, his name is "Puro Osso", which means the same thing, though unlike the Latin American version everyone calls him that, without nicknames.
  • Evil Has a Bad Sense of Humor: Even Mandy is sometimes taken aback by the macabre horror Grim finds delightful.
  • Evil Laugh: Ah Ha, AH HA HA. AAAH HA HA HA HA HA HAAAAA
  • Evil Sounds Deep: He speaks in a baritone Jamaican accent.
  • Four-Temperament Ensemble: The Melancholic. He's overly critical of Billy, gets angry when the two kids don't listen to him, and is often emotionally insecure.
  • Grumpy Bear: Downplayed. He's only grumpy when he's in a bad mood.
  • Glowing Eyes of Doom: Several times when he gets absolutely enraged, his eyes glow.
  • The Grim Reaper: Obviously, he's the personification of death.
  • Heroic Comedic Sociopath: Death amuses him, like when he laughs during a show when a patient flatlines, something that even Mandy looked sad to see.
  • Heel–Face Turn: Subverted. After making the deal with Billy & Mandy, he's more of a follower than his own skeleton, but he was never very actively evil anyway and is still just as friendly and likely to hurt others as before.
  • Hidden Heart of Gold: When he decides to save the kids during Nergal's first appearance, he insists it's not because he likes or misses them; he says he's just saving them now so he can eat them later. He often claims he hates his friends but its made very clear he does care about them and in the end would not let them get hurt. He really is a pretty decent guy.
  • His Name Really Is "Barkeep": It is implied on several occasions that his given name actually is Grim and that his last name is Reaper.
  • Hot-Blooded: Pretty often, he's shown to be quite emotional.
  • Humanity Ensues: In "Night of the Living Grim", he becomes a mortal human after succumbing to Encroaching Doom Syndrome. The episode ends with him becoming a skeleton again.
  • Hypercompetent Sidekick: The reason why Mandy wants to keep him and ditch Billy is because he's more intelligent and reasonable.
  • Hypocritical Heartwarming: Quite a few times when it comes to Billy and Mandy, he saves them from someone trying to do something to them that he only finds okay when he's doing it to them. One of the best examples was in "Scythe 2.0":
    Grim: You keep away from those kids! If anyone is going to have their heads, it's going to be me!
  • Hypocritical Humor: He often bluntly points out how stupid Billy is. And yet, it tended to hurt his feelings when Billy called him stupid for criticizing his favorite show.
  • I Am Big Boned: A variation in the comics. Grim isn't thin. He's "delicately boned".
  • I Call It "Vera": In "The Taking Tree", we learn that he calls his scythe "Jodie".
  • The Kirk: More or less trying to survive being stuck with two insufferable children.
  • Kissed Keepsake: After Eris is tricked into kissing Grim, he says he never washed his face before and won't start doing it now.
  • Leitmotif: The tune that plays when he first arrives? It was a part of his underscore. Though it was played with less frequency as the first season progressed, before ultimately disappearing by the second.
  • Mistaken for Pedophile: Heavily implied in "Duck!", where he gets arrested for removing his cloak in front of children while shouting "Look at my body!" in an attempt to explain to the children that he is incapable of passing gas.
  • Mistreatment-Induced Betrayal: He's always scheming to do this on Billy and Mandy so he can escape his enslaved position under them. He succeeded in "Halls of Time" by allowing their sand clocks to stay upside down, but then he forgot to flip his own back up.
  • Multiple-Choice Past: His many flashbacks to his past seem pretty unreliable. Possibly parodied at one point as well—two of his proposed backstories directly contradict each other in such a way that would be impossible to Hand Wave, Retcon or even ignore outrightnote .
  • Nice Guy: When he's off the clock Grim is a pretty decent fellow. Heck, even while on the job he's still a pretty laid back guy.
  • No Respect Guy: Even in the underworld, he gets no respect for his many duties as Reaper. And of course he's a slave to two children.
    Grim: (talking about being stored in Mandy's backpack) Okay, we need to talk about this backpack thing. It's very demeaning. I'm the Grim Reaper, for goodness' sake! I used to have a chariot of 400 burning horses! My arrival at the scene would be heralded by a raging thunderclap of fear! Now it's "Hey, have you seen Grim?" "Yeah, I think he's wedged between a history textbook and a tuna fish sandwich!"
  • No-Sell: Pepper spray doesn't affect him because he doesn't have any eyes.
  • Not So Above It All: He tends to get swept up in Billy and Mandy's antics pretty regularly.
  • Odd Friendship:
    • He actually manages to bond with Billy quite a bit.
    • He and Mandy share a dark and macabre sense of humor, helping them to get along at times.
  • Only Sane Man: Despite being an all-powerful supernatural being hanging around a suburban neighborhood, he is much more grounded and stable than every other character.
  • Parental Substitute: For Billy. Both of his parents are alive, but his dad is an idiot and his mom is insane, so Billy respects and admires Grim much more than either of them. He cooks and cleans for him and is quite fussy about him doing his homework, but also provides an actually respectful adult male figure in his life. Billy even says in one episode that Grim is his idol, and Grim in turn occasionally displays outright fatherly affection for him.
  • Phrase Catcher: "Bonehead".
  • Physical God: He's the Grim Reaper, after all, so of course he would possess immortality and great powers.
  • Punch-Clock Villain: As he himself once stated, he's just doing his job. He's also very friendly when not doing so. After all he rarely reaps people's souls before it is their time anyway.
  • Rage Breaking Point: Normally subservient and kind even when being bossed around, he does have limits though; when he's finally had enough and loses it, even Mandy herself often won't mess with him.
  • Reality Warper: With his scythe, he can cause all sorts of things to happen.
  • Really 700 Years Old: He was a little kid during the Stone Age.
  • Red and Black and Evil All Over: His Black Cloak is red on the inside.
  • Scary Black Man: His voice actor is black.
  • Screams Like a Little Girl: Depends on the episode, but he'll quite often scream in a high-pitched and feminine voice when he's scared.
  • Severed Head Sports: Has been subjected to this by Mandy a time or two.
  • Shipper on Deck: He teasingly ships Billy and Mandy occasionally. In "The Bubble with Billy", he even tries to get Mandy to flirt with Billy to get him to cough up the supernatural gum he swallowed.
  • Sinister Scythe: His scythe can do just about anything...except whack the weeds in Skarr's garden.
  • Sociopathic Hero: He dosen't like conversing with humans, much less saving them.
  • Tragic Villain: Played for Laughs. He didn't become The Grim Reaper by choice, but because his parents wanted him to... sometimes. Afterwards, he became a Person of Mass Destruction. He also softens after the deal with Billy and Mandy.
  • Tall, Dark, and Snarky: He is really tall, wears a black cloak, and isn't above making snide remarks toward Billy and Mandy.
  • Too Dumb to Live: If he never wagered his own freedom, he wouldn't have to put up with Billy and Mandy. The only thing he would've lost would've been an opportunity to collect a hamster's soul.
  • Unexplained Accent: Grim's Jamaican accent. His grandmother also has one, and has a Jamaican look to her to boot.
  • Villain Protagonist: A surprisingly downplayed example, since he shows his evil side sporadically and often (but not always) after being provoked.
  • Villains Out Shopping: Whenever he isn't ordered to kill someone, he lives a perfectly normal life.
  • "Well Done, Son!" Guy: While his backstory is a bit fluid, "Dad Day Afternoon" presents him as this, desperate to earn the approval of a father who loved country rock music more than him.
  • Why Did It Have to Be Snakes?: Horror's Hand is useless against him because he already experiences his worst fear every single day: being with Billy and Mandy.
  • Willfully Weak: Deliberately avoids abusing his powers to prevent causing problems. Unfortunately for him, that's exactly what Billy and Mandy end up doing.
  • Would Hurt a Child: He's been shown planning ways of escaping his deal with Billy and Mandy, typically by killing them in unusual ways.
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    Billy 
https://static.tvtropes.org/pmwiki/pub/images/billybillyandmandy_3740.png

A dim-witted boy who frequently causes problems due to his idiocy. Nonetheless, he's usually the most innocent and happy-go-lucky of the trio.


  • Absurd Phobia: In "Billy and Mandy's Big Boogie Adventure" Billy is shown to be not only afraid of spiders and clowns, but the mailman as well.
  • Abusive Parents: To his "son", the giant spider, Jeff. (Semi-justified in that Billy is extremely stupid and has an irrational fear of spiders) Billy tries his best to squish Jeff including sending an exterminator to crush him beneath a huge cowboy boot, throwing furniture onto him, and cutting the brake cables in his car.
  • Acquainted with Emergency Services: In Season 2 "Educating Grim", when Billy tries to race Grim and Mandy to school, he immediately runs into the school's front sign. Cue Nurse Penbroke walking outside hold first-aid kits looking annoyed. After Billy and Mandy leave school, Billy is already covered in bandages and walking with a crutch. When Nurse Penbroke happily waits outside for Billy, he tells her he's done for today and then she releases an exhausted sigh.
    Nurse Penbroke: Oh, Billy.
    Billy: (cheerfully) Hi, Nurse Penbroke. I can't feel my legs.
  • Adorkable: He's so dumb and stupid it's adorable.
  • All-Loving Hero: Unless you're a spider or a clown, in which case he'll try to murder you, Billy is surprisingly adept at befriending pretty much everybody, and has succeeded in ending conflicts nonviolently several times.
  • Ambiguous Disorder: It's fairly obvious that Billy has genuine mental problems in addition to being extremely stupid, as shown by his bouts of psychotic, murderous rage. He can barely focus and is often hyperactive. It's possible that he may have inherited this from his mother.
  • Ambiguously Jewish: His family apparently celebrates Hanukkah in addition to Christmas, though the way he says it makes it sound like an excuse to get more presents.
  • Arson, Murder, and Jaywalking: Billy's three greatest fears are spiders, clowns, and the mailman, with the greatest fear of them all being a spider/clown/mailman hybrid.
  • Asskicking Equals Authority: In A Kick in the Asgard, he was such a good fighter that even the likes of Thor and Odin feared him, and is revealed to have became the ruler of Asgard in The Stinger of the episode.
  • Ax-Crazy: The disorder thing? Well it can get pretty severe for a clown or a spider (for daring to be different) or for everyone if Billy is in a destructive and hyperactive mood (which he pretty much is all the time) and wields a hammer.
  • Beware the Silly Ones: Billy is often the dumbest character on the show, but he has been shown to have bouts of psychotic rage that manage to scare even Mandy.
  • Big Eater: He loves stuffing his face with chocolate, tacos, sandwiches, burgers, pizza, cookies and more. He apparently inherited this trait from his dad. He probably avoids getting fat like his dad by burning it off with his hyperactive running.
  • Black Bead Eyes: One of the few characters on the show who has eyes represented as black beads.
  • Bratty Half-Pint: He can sometimes become an obnoxious pest.
  • Bumbling Sidekick: While he has moments of surprising insight or competence, he generally functions as a dim-witted lackey to either Grim or Mandy.
  • Butt-Monkey: He gets a lot of physical abuse.
  • Chaotic Stupid: Billy has ben called as the true lord of chaos and destruction as he has no logical thought process, no restraints and no stability whatsoever. More than any other character he can alternate between almost every single role (that his idiocy and insanity allows him) depending on his whims because he has no internal consistency. He can be a Heroic Wannabe, a bully wannabe, a peacebringer, a warmonger, an Ax-Crazy maniac, a literal pet, a gum machine, a conniving lawyer and a jogurt creator all in a day's work. Thas is why he is the protagonist most fitting to the show's setting. He is just as random as the surreal world that he is inhabiting.
  • Characterization Marches On: At the beginning of the series, Billy's a bit dopey, but manages to hold his own in some dangerous situations and comes off more as just a well-meaning kid lacking common sense and looking for fun things to do. By the end of the series, he colossally Took a Level in Dumbass to the point of being so stupid that the laws of reality itself occasionally give up when he's around, and Depending on the Writer can even out-Jerkass Mandy.
  • Cheerful Child: He rarely has outbursts of rage, but when he does, his happy attitude goes away really fast.
  • Childhood Friends: He's known Mandy since they were toddlers.
  • Cloudcuckoolander: He will spout stuff that makes no sense except to him and maybe Irwin.
  • Cordon Bleugh Chef: In an early episode he dreamed that he made cookie dough out of assorted junk food, then ate it raw because he wasn't allowed to use the oven anymore. He also apparently eats his cereal with chili and makes his waffles with pickles. One episode has him simply put a live turtle between two pieces of bread and proudly proclaim "Now that's-a what I call a sandwich!".
  • Crouching Moron, Hidden Badass:
    • He was able to take on an entire alien fleet by himself, and even Grim and Mandy run from him in fear when he's angry. He's a moron, but he's also very competent badass when he wants to be.
    • In "Secret Snake Club", he actually becomes a CIA agent, tracking down a fugitive and exposing Irwin's plans with the macrame club.
    • He singlehandedly defeated all of Asgard, Odin and the rest of the pantheon included, and he did it with a smile on his face the entire time.
    • He also tried to help Hoss Delgado fight a group of zombies with nothing but a stick. Keyword tried, but he survived unscathed.
    • His scheme to steal Mandy's raw nerve was remarkably clever for him: he got Grim's cooperation by pointing out that a cowardly Mandy would be unable to bully him, and got the nerve to allow him to swallow it by bribing it with a burrito that happened to be a combo of its two favorite flavors.
  • Depending on the Writer: Whether he's an honest to goodness Nice Guy who is simply so stupid that he's often Innocently Insensitive or a bratty Jerk with a Heart of Gold varies from episode to episode.
  • The Ditz: His IQ is -5, being outperformed in the test by a shovel and two candy bracelets (they got a positive 17).
  • Drop the Hammer: His Weapon of Choice is a war hammer, which he is surprisingly skilled at wielding.
  • Dumbass Has a Point: Very commonly chimes in to point out the flawed logic in Mandy or Grim's thinking, only to be dismissed as an idiot.
  • Dumb Is Good: Played with. While his idiocy gives him a childish innocence that allows him to befriend even the most horrible monsters and act unambiguously heroic much more frequently than the other two, his complete lack of self control and extremely destructive tendencies lead him to be arguably the most dangerous of the three.
  • Everyone Has Standards: Even he thinks Fred Fredburger is annoying.
  • Extreme Omnivore: He enjoys eating boogers, toenail clippings, and (it's heavily implied) cat and dog poo, the last of which he actually uses as steak sauce.
  • Fiery Redhead: He has red hair and can get pretty frightening when he's angry.
  • Fluffy Tamer: His specialty is befriending supernatural horrors that help the trio out in a pinch.
  • Four-Temperament Ensemble: The Sanguine. He's often overly optimistic, good-natured, and will frequently help people that he knows are having problems.
  • Freudian Excuse: Underfist reveals that his fear of spiders was due to Bun-Bun repeatedly dangling spiders in his crib.
  • Friend to All Living Things: Although in the case of spiders, he doesn't love them back.
  • Future Badass: In the Big Boogey Adventure. Most notably, in the five minutes of screentime he gets, he almost never says or does a single dumb thing. In fact, he somehow managed to time travel back in time without the use of a nearby inoperable Time Gate. And this is Billy we're talking about. It makes one wonder what did Mandy do to make Billy become this way... Not a dumb thing apart from his last words
    Billy: I should have known it was you all along.
  • Gag Nose: Has a bulbous pink nose that is often bruised or even knocked off his face.
  • Gasshole. Lampshaded by his mom, his first words were in fact gas attacks.
  • He-Man Woman Hater: He insists that Mandy and other girls not be allowed on his baseball team... despite them soundly being better at it than he is. Even having Mindy outperform his team didn't change Billy's mind. Leading to Mandy and Grim discussing whether they should hang lampshade or not. They decide Billy is not worth that trouble.
  • Heterosexual Life-Partners: He is shown to be close friends with Irwin.
  • Hidden Depths:
    • He is shown to dance well, defeat multiple enemies in combat - sometimes without even touching them - and is prone to simple-minded wisdom that actually make a whole lot of sense.
    • He's also occasionally surprisingly eloquent for an idiot.
    • Despite his immense stupidity, he's perfectly literate.
  • Idiot Hero: Far more traditionally heroic than Mandy and Grim, but also much more idiotic and twice as destructive.
  • Improbably Low IQ: -5. Again, a shovel and two candy bracelets are smarter than he is.
  • Informed Judaism: The Christmas episode states he's Jewish, but it's never brought up again.
  • Innocently Insensitive: Whenever he insults Grim, it's mostly when he's acting as Mandy's parrot. On his own, he usually speaks highly of Grim, but also acts like a spoiled and bratty kid.
  • Iron Butt-Monkey: Suffers a lot of horrific injuries he somehow recovers from to the point that he could be considered The Chew Toy of the show.
  • Jerkass Ball: As with Mandy, Billy has his moments of being insensitive and rude, too.
  • Jerkass Has a Point: In "Wrath of the Spider Queen" Billy delivers a massive Kick the Dog speech to Jeff where he tries to convey just how much he hates the spider. It was incredibly excessive compared to what triggered it but Billy did raise the point that somehow Jeff still hadn't figured out the depths of just how much Billy hates spiders.
  • Jerk with a Heart of Gold: He's somewhat insensitive and unempathetic but he does have his kind moments.
  • Keet: He's always excited.
  • Kindhearted Simpleton: Downplayed, while he causes a lot of trouble, it's more often out of his stupidity rather than malice. He generally comes off as well-intentioned.
  • Lack of Empathy: Especially apparent when interacting with his "son", Jeff, not noticing or caring that Jeff loves him and only wants his love to be reciprocated.
  • Lethal Chef: He's a horrible cook who can make sandwiches thick enough to fracture Grim's skull and teeth and makes chili that can erase your nose and mouth.
  • Lethally Stupid: Everything Billy does within the show will inevitably result in mass destruction and chaos, especially when magical artifacts like Grim's scythe are involved.
  • Like Parent, Like Child: He's both stupid (like his father) and mentally unstable (like his mother).
  • Made of Iron: He has suffered many injuries throughout the show's run (several of which result in his skin being torn open) and absolutely none of them were permanent. A few of his injuries involve having his entire face being blown or torn off!
  • Major Injury Underreaction: Most of the amusing injuries he sustains, he makes little to no reaction to any of them, which isn't really much of a surprise since he's probably too stupid to realize he got injured.
  • Meaningful Name: His name means "desire".
  • The Mentally Disturbed: He does the unusual combo of being both moronic and completely insane.
  • Morality Pet:
    • For Mandy. When she's not bullying him or helping him for her own personal gain, she treats him as a scolding mother would treat her son.
    • He's also one to Grim, who seems almost affectionate towards him at times.
    • He's one to Mrs. Claus in the Christmas Episode, after apparently being the only person in centuries to offer her any help with her multiple duties at the North Pole (without messing up). In fact, Billy's the one who stops her from taking over the world by appealing to her humanity, and by turning Santa back to normal and getting him to apologize for dumping all the work on her.
  • Motor Mouth: Of the Turbocharged V-12 variety. RSH really shows off his speed-talking skills when Billy really gets going.
  • The McCoy: Stupid and impulsive.
  • Naked People Are Funny: The episode "That's My Mummy" does this thrice.
  • Never My Fault: In "Billy and Mandy's Jacked-Up Halloween", he indirectly causes all the conflict because he borrowed Grim's scythe, but blatantly shirks responsibility after Jack O'Lantern is defeated and Grim gets his scythe back. He is just too stupid to understand that what he says makes him guilty as well.
    Billy: You know, Grim, none of this would have happened if you didn't loan me the scythe in the first place.
  • Nice Hat: He wears a signature small red baseball cap.
  • Not-So-Harmless Villain: When Billy takes Mandy's raw nerve, he gleefully abuses Grim, implying that a lack of courage was the only thing that stopped him from doing so before (unless the nerve also influenced his overall disposition since it was Mandy's). He also has an "inner frat boy" that advises him to beat the crap out of anything he doesn't understand.
  • Obliviously Evil: Sure he "abuses" his "son" Jeff despite the latter's attempts to flatter him, but that's only because Billy has irrational and psychotic arachnophobia. Underfist reveals that this was the result of the true antagonist dangling spiders in front of Billy when Bill was a baby For the Evulz.
  • Odd Friendship: He's a complete moron whose two closest friends are an obscenely dark and nihilistic girl and the humanoid personification of death.
  • Offing the Offspring: He repeatedly tries to murder a giant spider named Jeff who considers Billy his father.
    Jeff: (as Billy is jabbing him in the eyes with a stick) Why won't you love me, Dad? I can be anything you want me to be!
    Billy: I want you to be dead!
  • One-Man Army: He's occasionally shown to be almost disturbingly powerful when angry, to the point where even Mandy is terrified of him.
  • Only Friend: He appears to be the only person Mandy actively hangs out with.
  • Pink Girl, Blue Boy: The blue boy to Mandy's pink girl. He wears blue jeans and a shirt with a blue stripe on it, while Mandy wears a pink dress.
  • Platonic Life-Partners: With Mandy. They have been best friends, if you can call them friends, since they were infants.
  • The Pollyanna: One episode has Billy chronicle his daily experience. It's surprisingly depressing. Not that he notices. His life is honestly pretty horrible, but he remains a blissfully oblivious idiot regardless. Somewhat deconstructed in that in the same episode it is shown that Billy is fully aware of how horrible his life is and it bothers him greatly to the point of acting out in an insane fashion or trying to force others to be happy just so they cannot ruin his happiness anymore.
  • Rapid-Fire "Yes!": He would often respond with "yeahyeahyeahyeah..." when he's excited.
  • Red-Headed Hero: He has a shock of red hair underneath his baseball cap.
  • Red Oni, Blue Oni: He's the red oni to Mandy's blue oni. He is impulsive and emotional while Mandy's responsible and stoic. Also an inverted case of Savvy Guy, Energetic Girl.
  • Screams Like a Little Girl: His screams sound girly.
  • She's Not My Girlfriend: Says this word by word when Grim assumed such about him and Mandy in the second episode.
  • Simple-Minded Wisdom: He makes intelligent observations this more often than he should, making you second guess his stupidity.
  • Simpleton Voice: Not only is Billy extremely stupid, but his voice sounds so too.
  • Smarter Than You Look: Make no mistake Billy is genuinely as stupid as he comes across but he's typically more tuned in to things than he appears.
  • Strong Family Resemblance: He looks a lot like his father and grandfather.
  • Took a Level in Dumbass: By the end of the show, Billy's become an Epic-Level dumbass.
  • Too Spicy for Yog-Sothoth: The one and only time Eris attempts to use him as an agent of spreading chaos ends with her having a nervous breakdown. Too put it simply: Billy is too Chaotic Stupid for the Goddess of Chaos to handle.
  • Uncanny Family Resemblance: His father, paternal aunt, grandfather, and grandmother all have a Gag Nose like him (though in Aunt Sis's case it's not pink). In an episode where he gets stuck in prehistoric times and falls in love with a cavegirl, it's shown in the present that everyone has his nose as a result of being his descendant.
  • Unexplained Accent: In the Traditional Chinese dub, he has a Taiwanese accent but most other main characters (including and especially Grim) speak Putonghua without any strong accents.
  • Unstoppable Rage: When he's in this mode, even Mandy is scared of him. He more or less becomes the most powerful character on the show when in this state, as he always curbstomps his opponent.
  • Villain Protagonist: The mildest example of the three, though it must be said that he can be as horrible as Mandy towards Grim and the whole world though most often in a mindless way. He usually gets a pass due to being mentally stunted and can be harmless when he isn't actively Ax-Crazy. He's also the only one of the three who ever has heroic motivations, though he tends to do more harm than good when acting on them.
  • Why Did It Have to Be Snakes?:
    • Hates spiders with a passion, which creates some rift between him and Jeff, a spider who sees Billy as his father due to hatching his egg.
    • Billy & Mandy's Big Boogie Adventures combines his three greatest fears (spiders, clowns, and the mailman) into one horrifying monstrosity.
  • With Friends Like These...: Billy's not that great of a friend to Irwin; he once stopped Sperg from giving Irwin a wedgie... So that Billy could do it for him and become a bully which he decided would make him cool.

    Mandy 
Voiced by: Grey DeLisle
https://static.tvtropes.org/pmwiki/pub/images/mandybillyandmandy_9481.png

The polar opposite of Billy; a merciless, cynical and manipulative little girl who frequently abuses Grim's power to get what she wants. She almost never smiles and terrifies almost everyone around her, her parents included. Unlike Billy, she's stable, sane and intelligent.


  • The Ace: She's hypercompetent at pretty much everything and has almost the entire universe grovelling at her feet. It makes her plans for world domination all the more terrifying due to how plausible they are.
  • Action Girl: She's the most consistently competent in a fight out of the three of them.
  • All Girls Want Bad Boys: She falls in Love at First Sight with a goth artist boy who Billy befriends in "Crushed". Her reaction is surprisingly adorable. The revelation that he's a poser makes her immediately lose interest in him.
  • Ambiguously Human: There are many cases that imply that Mandy is more than just a young girl. For one, When She Smiles, she causes reality to break apart. Other examples are that she seems to have rather inhuman strength and her high intelligence and skill of manipulation.
  • Amoral Attorney: Her Halloween costume in "Grim or Gregory?" was a lawyer with monster hands for "rending human flesh".
  • Anime Hair: Her hair sticks up at the back and curls a little, resembling devil horns.
  • Anti-Hero: She is this at her best moments, and straight up Villain Protagonist at her worst. Despite technically being one of the good guys, it's all about her and follows Pragmatic Villainy.
  • Arbitrary Skepticism: Despite living in a world where supernatural elements are commonplace, and being friends with the Grim Reaper himself, Mandy adamantly refuses to believe in such things as Santa Claus and the Tooth Fairy.
  • Badass Normal: She's capable of scaring the crap out of others just by looking at them. That's definitely not something an ordinary little girl without any psychical powers can do.
  • Berserk Button: Provoking her at all is a bad idea, but if she find out that you manipulated her, she'll be furious.
  • Beware the Quiet Ones: A stoic kid who is very sadistic.
  • Big Damn Heroes: Despite her goal on world domination, she saved the world multiple times. Only because she wants to conquer the world on her own terms.
  • Big Bad: She's the main antagonist in The Grim Adventures Of The Kids Next Door.
  • Big Ol' Eyebrows: Has two large eyebrows.
  • Bright Is Not Good: She may be the inverted version of a Perky Goth. She wears brightly-colored clothes and has a Gothic and morose personality.
  • Captain Obvious: She is often treated as a genius for pointing out the obvious because more than half of the time she is surrounded by blundering fools. An example is her reminding Grim to use his scythe to get them out of a tight spot and him enthusiastically calling it a great idea.
  • Card-Carrying Villain: She makes no excuse for her being evil, and absolutely refuses not to be seen as anything but a malevolent being.
  • Characterization Marches On: In the early series, Mandy was just a bratty, commanding and yet calculatingly efficient girl, and even had occasional cases of being Not So Stoic. By the second season her much more malevolent characterization settled in soon enough, and became what even her own family considers to be the living incarnation of evil itself. Best highlighted by When She Smiles; she gets a couple cases early in the series, but later on smiling is somehow such a physical impossibility that all of reality tears itself asunder in the process.
  • The Comically Serious: She's always overly serious, but is so, in a slapstick and humorous manner.
  • Creepy Child: She tricked The Grim Reaper into eternal servitude, using him as her maid and his powers for personal gain, and faces down everything from the Boogeyman to Cthulhu with nothing more than a wry comment. She also never smiles, ever, because doing so would cause the universe to implode. She was also able to take over a large evil brain/alien when it ate her brain.
  • Deadpan Snarker: She quite often makes snide remarks about everyone else.
  • Death Glare: She has a constant glare which intimidates anyone.
  • Did You Just Scam Cthulhu?: This is the entire premise of the show. She made the Grim Reaper her personal servant for all eternity by beating him at a limbo contest.
  • The Dreaded: Almost everyone get scared of her just by using words, and she has already taken over the world because everyone fears her. This goes even to the point where Grim of all people has nightmares of her.
  • Emotionless Girl: She seems to have only three major emotions: indifference, disgust, and anger. This trope was exaggerated over time thanks to Flanderization. In season 1, she spoke with more emotion in her voice and was far more prone to looking surprised or worried at the strange things she came across. She also smiled at the end of the first episode and the universe didn't fall apart.
  • Enfant Terrible: Young enough and psychopathic enough to qualify.
  • Even Evil Has Standards:
    • She wants to rule the world and turn it into a dystopia, but she is not okay with cheating.
    • Quite a few of the disturbing and grotesque things that happen to Billy leave her as speechless and horrified as anyone would. Like him growing a sentient growth in "Billy's Growth Spurt", turning into chocolate and eating himself alive in "Chocolate Sailor", and breaking and twisting his own neck in "Order of the Peanuts".
  • Even Evil Has Loved Ones: She does care about Grim and Billy, and once fell in love with a gothic guy (though she wasn't proud of it). She does seem to have a somewhat normal relationship with her parents (even straining herself to tell her dad she loves him for Father's Day while also giving him Grim's services for the day.) While she also does push them around somewhat, she is shown to be very surprised when her parents admit that they're quite scared of her.
  • Evil Genius: She's able to manipulate almost every sentient villain and monster for her own gain, and God help you if you dare try to cross her.
  • Evil Hero: Played Straight. She's one of the main characters and fights against evil, but she herself is far from being a straight hero.
  • Flanderization:
    • From simply an apathetic, snarky kid with a Hair-Trigger Temper and a bossy streak to an emotionless, evil, and totally sadistic psychopath trying to take over the world.
    • Her competence was wildly amplified; she went from a smart little girl who could think quick in a pinch to an Evil Genius who not only can pretty much fix or undo anything by just appearing on the scene, but owns everyone apparently.
  • Flat-Earth Atheist: She is rendered immune to the Tooth Fairy's powers by revealing, to his face, that she doesn't believe in him.
  • Fluffy the Terrible: She's a tiny little girl in black Mary Jane's who almost always has blonde hair shaped like devil horns and wears pink outfits with flowers on them. She's also the scariest being in the universe.
  • Four-Temperament Ensemble: The Choleric. She's task-focused, harsh, and ill-tempered.
  • Gagging on Your Words: As revealed in "Sickly Sweet," Mandy is such a Jerkass that even something as simple as saying "please" is nearly impossible for her.
  • Genius Bruiser: She is a strong Little Miss Badass who is able to battle monsters with ease, and has a notably superior intelligence, being able to understand complex theories of the world and using her wits and and manipulation skills to get her way.
  • Goth: General consensus is that she's pretty much a Lone Psycho Goth, albeit one that dresses in an ironic fashion.
  • Goth Girls Know Magic: Played With. In contrast to her appearance she has a cynical and dark personality befitting a Goth, and does not have any inherent skill at magic, but sporadically gains temporary supernatural and magical powers in episodes.
  • Greater-Scope Villain: She's never the main villain barring the KND crossover, but she is responsible for enslaving Grim, leading to pretty much all of the supernatural occurrences in Endsville. And while she always stops them, it is explicitly because she plans on conquering the world herself, which she is shown to have done in the Bad Future.
  • Guile Heroine: She can take down foes both mortal and immortal in seconds.
  • Hair Decorations: Wears a black headband.
  • Hates Everyone Equally: It goes without saying. She even lampshades it in “Pandora’s Lunch Box”
  • Hates Being Touched: Do not touch her unless you wish to be bitten or punched.
  • Hidden Depths:
    • The prospect of living a life of quiet desperation is the only thing that can shake Mandy to her core.
    • She seems to actually care for Grim and Billy, as seen in "Big Boogie Adventure" when she was upset when it seemed that Billy may actually have been killed by the Kraken.
    • Despite her hatred for humanity and essentially all other forms of life, she won't let it end that easily, or at least if ti's not on her grounds. She refuses to let Pandora's box release the plague that will end humanity, as she resents that her new classmate Pandora tricked her into opening the box. After sealing Pandora into her box, Mandy vows that she will one day unleash her own plague against humanity.
  • Hijacking Cthulhu:
    • In "Little Rock of Horror", a brain-eating alien monster with a familiar singing voice has been spending the whole episode being fed by Billy. When Mandy confronts it, it sucks out her brain.... it painfully dies off and its aura immediately changes to resemble Mandy. Her only explanation is that her brain and mind weretoo "spicy".
    • Likewise she does this to the "Delightful Reaper" in the KND crossover when she realizes it was too powerful for Kids Next Door's weaponry and willingly let it assimilate her. Like in the above example, her will takes over the countless others that made up the Delightful Reaper and it takes on her appearance.
  • Horned Hairdo: Her hairdo is shaped like a pair of horns, making her look fittingly demonic given her demonic personality.
  • Humiliation Conga: The episode "Zip Your Fly!" is a big instant of suffering a series of undignified predicaments for Mandy. After she uses Grim's magical zipper to take her head off, a fly gets in the way when she zips it back. She switches heads with it, having to move with a comically small body. She then gets stuck in fly paper and Harold attempts to flush her down the toilet. She lost half the zipper in garbage and ended up eating an entire junk yard to find it.
  • Hypocritical Heartwarming: She would never let Billy do any of the things that she does.
  • Improbable Weapon User: In the Cartoon Network game "The Fight Before Christmas", she uses a toy hammer, a toy plane, a dollnote , a fistful of marbles and a pan of popcorn as weapons against the evil toys overrunning Santa's workshop.
  • Informed Deformity: In My Fair Mandy, a skilled make-over artist was shocked by her appearance, at first mistaking her for an angry tree stump.
  • Insistent Terminology: She doesn't have a fear of professional figure skaters. She just doesn't trust the way they spin, is all.
  • Ironic Name: Her name means "adorable" or "lovable", despite her bitter and cynical attitude.
  • Iron Lady: Her ultimate goal in life is "[....] to do something important!" She eventually is elected President of the United States, and in the distant future, will rule the world.
  • Jerkass: Develops more and more into being a heartless and unsympathetic jerk after every season. Her beast transformation in "Sickly Sweet" even makes her sound like a literal ass (the animal). Hell, that episode shows that even trying to do anything nice is nearly impossible for Mandy, to the point where she has physical difficulty just trying to say "Please."
  • Jerk with a Heart of Jerk: While she does do heroic actions like saving Billy from himself or whatever Monster of the Week they're up against, as well as saving the whole planet, Mandy will always have a selfish motive in mind no matter what.
  • Karma Houdini: Rule of Funny usually dictates that she gets off scot-free — but there are a few occasions where she's outwitted and beaten.
  • Kick the Dog: She can be incredibly cruel, especially to Grim, Billy, and Irwin.
  • Kick the Son of a Bitch: Whenever she torments Mindy or Sperg, the harshness of her actions is usually offset by how rude and cruel they were being.
  • Lack of Empathy: Whatever empathy she has is locked away in the cold dark recesses of her soul.
  • Little Miss Badass: Wears pink, is blonde, snarks almost constantly, and makes the Grim Reaper her personal bitch in the first episode.
  • Little Miss Snarker: This line pretty much exemplifies it:
    "Power tools in the dark? Darwin should be paying you two goons royalties."
  • Madden Into Misanthropy: It's implied that two things helped complete Mandy's metamorphosis into the cynical tyrant we all know and love: Mindy's inane, meaningless prattle, and having to deal with the perpetually moronic Billy every single day of her life.
  • Manipulative Bitch: She manipulated the Grim Reaper, Eris, Hoss, and sometimes even Irwin to do her bidding.
  • Noble Demon: She's The Dreaded, brooding, anti-social and occasionally evil but she's also loyal and stays close to her friends, always keeps her word and never cheats.
  • The Noseless: She has no nose, but she does have nostrils.
  • Not So Stoic: Some things can get under her skin, if rarely. Even she wasn't immune to being called ugly or unattractive, and the beginning of the series even had her spooked out by Grim (briefly) or the occasional weirdness much more readily compared to later.
  • Odd Friendship: She willingly hangs out with Billy, despite the two of them being polar opposites.
  • Off-Model: She looks decidedly... wrong in Underfist.
  • One-Winged Angel: Her future self from the episode "Mandy the Merciless", where she is a giant worm.
  • The Only One Allowed to Defeat You: She saves Billy from numerous threats simply because she wants to be the only one to torment and abuse him.
  • Only Sane Woman: Trades roles with Grim as the most reasonable and rational of the group, depending on the episode.
  • Perky Goth: Completely Inverted; she dresses like a standard little girl, but embodies the Lone Psycho Goth stereotype.
  • Perpetual Frowner: It's mentioned on more than one occasion that she never smiles; in fact, it's revealed in "My Fair Mandy" that if she does smile, it will cause a Reality-Breaking Paradox.
  • Pet the Dog:
    • She will occasionally meditate on the possibility that she actually cares about Grim and Billy...but ultimately dismiss the errant thought.
    • In "Halls of Time", she seems legitimately horrified at the idea of Irwin being erased from existence.
    • Accepting Saliva (in her own way).
  • Pink Girl, Blue Boy: The pink girl to Billy's blue boy. She wears a pink dress, while Billy wears blue jeans and a shirt with a blue stripe.
  • Pink Means Feminine: Averted. Mandy usually wears a pink dress, but she isn't that feminine.
  • Platonic Life-Partners: With Billy. They have been best friends, if you can call them friends, since they were infants.
  • Pragmatic Villainy: Oh she'll help save the world alright, but only because she needs it in pristine condition for when she conquers it herself. In the same vein, she'll always help defeat the Monster of the Week, but only because the world is hers and she won't let anyone else take it from her.
  • Psychotic Smirk: By way of Early Installment Weirdness, but before it became a major defining trait of hers that she never smiles, she had a couple evil grins in response to Grim's suffering in "Meet the Reaper" and "Look Alive!".
  • Raised by Wolves: Played for laughs. Her parents claim that wolves came to raise her as her own when she was born.
  • Red Oni, Blue Oni: She's the blue oni to Billy's red oni. She is stoic and responsible while Billy is impulsive and emotional. Also an inverted case of Savvy Guy, Energetic Girl.
  • Slapstick Knows No Gender: Though rarer than with Billy, she's not immune to physical comedy. Whether that's being burned to a crisp by Cerberus in "Mandy Bites Dog", or being covered in snot twice after Grim sneezes on her in "Night of the Living Grim".
  • Sociopathic Hero: She enjoys people's pain and is one of the main protagonists.
  • The Spock: Intelligent and deadpan.
  • The Stoic: She never smiles fully at all. It's for the best.
  • Sugar-and-Ice Personality: She is actually shown to be somewhat caring and even passionate in some episodes despite usually coming off as cold and uncaring.
  • Surrounded by Idiots: As seen in Captain Obvious above, she seems the only person with a brain most of the time.
  • Take Over the World: Her long-term goal is to be supreme ruler of the Earth.
  • Tiny Tyrannical Girl: She's a little girl who doesn't take guff from anyone. In fact, almost everyone in the show is afraid of her.
  • Token Evil Teammate: The only hero who's more evil than a demon from the underworld.
  • Tomboy with a Girly Streak: For someone so decidedly unfeminine, she has a tendency towards pink and girly things. While there's an underlying hint of irony to it, she seems to legitimately like them.
  • Tomboy and Girly Girl: Tomboy to Mindy's Girly Girl. Mandy is a Little Miss Badass with a dark and unfeminine personality, Mindy is an Alpha Bitch who mostly cares about appearance and popularity.
  • Took a Level in Badass: At the beginning of the series, Mandy's methods of overcoming obstacles usually came from either outsmarting a foe, or just simply Cutting the Knot (like kicking Nergal in the shin), but she was as exposed to threats as Billy and Grim were and wasn't exactly anything more than an intelligent child in that regard. Then she became so terrifying that she can intimidate supernatural creatures and interdimensional beings into doing her bidding, and genuinely took a few notches in badass even if she usually doesn't try to pick a fight herself.
  • Took a Level in Jerkass: Mandy became more hostile and disrespectful towards her friends in later seasons.
  • Uncanny Valley Girl: Rather it was intentional or not, Mandy in the original short film. She's a Genki Girl that comes across as creepy to most viewers. She also seems to be a bit too happy trying to convince Billy to drill a hole in his skull.
  • Unsympathetic Comedy Protagonist: She has no positive qualities beyond being intelligent and competent, both of which she uses to make the world a bad place.
  • Villains Out Shopping: Whenever she isn't scheming, she's just spending time, with Grim and Billy at their house.
  • Villain Protagonist: She's one of the main characters and is so evil that she makes the personification of death look like a nice guy in comparison.
  • When She Smiles...she tears the very fabric of time, space, and reality apart. For the sake of humanity, it's better that she doesn't smile. Although in some earlier episodes, this trope is played straight.
  • Why Did It Have to Be Snakes?: In "Attack of the Clowns", both Billy and Grim claim that she's afraid of professional figure skaters, though she suspiciously denies this, only saying she merely distrusts how they skate.
  • Wise Beyond Her Years: She may be a real bitch but she's EASILY the smartest character on the show.
  • You Go, Girl!:
    • Billy wouldn't allow Mandy in his baseball team because she's a girl. Trying to teach him a lesson, she disguised herself as a boy named "Manfred" by donning a baseball cap.
    • Billy and Irwin made a racing team and wouldn't allow Mandy in because she's a girl so she started her own team with Grim, who was rejected from Billy and Irwin's for being a skeleton. Pud'n won.
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