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The characters in Disney's animated series, Milo Murphy's Law.

See the character page for Phineas and Ferb for characters originating from Phineas and Ferb.


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    Milo Danger Murphy 
https://static.tvtropes.org/pmwiki/pub/images/milo_murphy_6.png
The title character of the series, Milo Murphy is positive, enthusiastic, and makes the best of everything. He considers life to be an adventure and feels lucky to experience Murphy's Law. After all, isn't it more exciting to run to school chased by a pack of wild llamas than to take the bus?
Voiced by: "Weird Al" Yankovic (present day), Sam Lavagnino (child)

  • 13 Is Unlucky: Milo's thirteen years old and things tend to go badly when he's around.
  • Absurd Phobia: Chinese finger traps. They're the only thing that's made Milo go into a full-blown panic, leaping into a river of lard and flailing about hysterically the way Zack does around fish. Thankfully, he knows how they work now.
  • Acquainted with Emergency Services:
    • The firefighters and police know him to the point that he keeps a framed photograph of them in his room.
    • In "Rooting for the Enemy", it's revealed that his family, mainly Milo and his father, Martin, have their own hospital suite called the "Murphy Suite".
    • In "The Note", the government is fully aware of the Murphy's luck that they dubbed their neighborhood as "The Murphy Sector".
    • In "Worked Day", when Milo's class is having a career day, they meet Melissa's father, who's a firefighter, whose squad just put out a fire at a fish hatchery:
      Mr. Chase: Milo, you weren't here at the fish hatchery this morning, were you?
      Melissa: Dad!
      Mr. Chase: Ha! I kid!... But seriously, you weren't here, right?
      Milo: (cheerfully) Why Mr. Chase, I'm flattered! (suddenly deadpan, visibly irritated) But no.
  • Action Survivor: He has to be to survive his life.
  • Adorkable: He wears a sweater vest and the opening song makes it clear he thinks it's cool. Milo is also head over heels for the antique fire truck Melissa's father was taking care of and geeks out even more than usual about it, gushing about every detail as if it they were absolutely groundbreaking even when they're far less than impressive in practice. He also loves action movies, and speaks in a raspy voice like a stereotypical action hero in "The Substitute" despite the ridiculousness of it as lampshaded by Melissa.
  • Alliterative Name: Milo Murphy.
  • All There in the Manual: Milo's "condition" is called Extreme Hereditary Murphy's Law condition, or EHML, in press materials. By the admission of the creators, this was invented in the early conceptual stages and never really referenced in the show.
  • Amusing Injuries: Breaks his thumb in "Rooting For the Enemy", and ends up wearing a comically oversized cast over it.
  • Angst? What Angst?: In-Universe example, as mentioned below, Milo is hardly fazed for his bad luck and often sees the positive side no matter what.
  • Bag of Holding: His backpack carries everything he could possibly need, including (but not limited to) a seatbelt, a concertina, car parts, posters, maps, GPS systems, helmets, flashlights, granola bars, and a ship-sized anchor. It also handily accommodates anything he might happen to pick up, such as a live duck.
  • Been There, Shaped History: He played a part in the lost pilot of Doctor Zone.
  • Big Man on Campus: While most steer clear of him, the tales of his various misadventures note  makes him popular at school.
  • Born Unlucky: Having been born with Extreme Hereditary Murphy’s Law condition (EHML).
  • A Boy and His X: A boy and his dog. He seems to have this kind of relationship with Diogee when he's not telling Diogee to go home. Milo houses, feeds, and plays with Diogee and Diogee returns the favor, by saving Milo's life, when he's in a fix.
  • Brainy Brunette: Milo is fairly knowledgeable about common and obscure trivia (i.e. fire trucks) and is a quick thinker who knows how to use a variety of scientific tidbits to get out of his many sticky situations. That said, Melissa still has better grades than him (though his constant accidents and class absences don't help much).
  • Casual Danger Dialogue: Does this quite often.
  • Cloud Cuckoolander: Like any character played by Weird Al could avoid this one entirely.
  • Conditioned to Accept Horror: He's learned to make the best of being at the constant epicenter of disaster. For reference, dodging flaming dumpsters, falling trash cans, streams of ball bearings, and waves of Slinkies while riding his bike is a "light day" for him. He almost seems put out when it doesn't seem to happen.
  • Cool Loser: Inverted as explained above; he's got a few stereotypical nerd traits, and his horrible luck should by all accounts make him a pariah - and indeed he receives Thank You cards from the football team for not attending their games until he weaponizes his bad luck against a rival team - but while pretty much everyone tries to keep a safe distance away from him, his skill at overcoming bad situations and his friendly and outgoing demeanor make him pretty well-liked among his town, with the local construction crew being friendly and familiar enough to notice a new scar, and part of Bradley's animosity stemming from jealousy over Milo's misadventures being able to draw crowds and admiration with ease.
  • Cosmic Plaything: He's aware of it and, unlike other examples of this trope, completely okay with it.
  • Covered with Scars: Apparently.
  • Crazy-Prepared: Because he's aware of his terrible luck, he keeps his backpack stocked with supplies to help him out of any bind. He even keeps a full-body hazmat suit hanging up in his room at home.
  • Cursed with Awesome: He sees it this way; Murphy's Law inconveniences him, but it keeps his life exciting and sometimes even works out in his favor.
  • Dissonant Serenity: Not consistently (he can react as strongly as Zack and Melissa can to random disasters like the loss of his doctor's note and you can bet his friends being in trouble is met with a quick rescue), but this seems to be his autopilot in the face of truly life-threatening danger.
    Zack: Why aren't you screaming?!?!
    Milo: I find it doesn't help. Just hurts the larynx.
  • Dogged Nice Guy: Has a not-so-hidden crush on Amanda in "Smooth Opera-tor", who is somewhat unnerved by the chaos that follows him everywhere he goes. But she begins to reciprocate the feeling after he goes out of his way to salvage the dance she worked so hard to plan in "School Dance", subverting this trope.
  • Doom Magnet: The whole deal with him.
  • Dork in a Sweater: "Look at my sweater vest, I look so fly".
  • Encyclopaedic Knowledge: He regularly recites trivia about a wide variety of subjects.
  • Establishing Character Moment: The first episode, "Going the Extra Milo", features him talking to Zack, who is unfamiliar with his reputation. After a concrete drainage pipe starts rolling toward him and Zack, he treats the situation about as casually as one would a leisurely stroll, including saying that screaming doesn't do much except hurt the larynx.
  • Everyone Has Standards: Despite being accustomed to the daily disasters his life brings, Milo never intentionally goes looking for trouble. In "Wilder West", he is unnerved by Jackie's reckless, thrill-seeking ways.
    Milo: You can't keep danger away, but why seek it out?
  • Famous Ancestor: He is the 4th-great-grandson of Edward A. Murphy Jr., namesake of the original Murphy's Law.
  • Friendless Background: There's no indication that he had any friends prior to Melissa.
  • Glass Slipper: Milo's missing loafer in "School Dance" is what gets Amanda to realize that Milo saved the party she planned (after his bad luck wrecked it).
  • Hereditary Curse: Because he's the descendant of Edward A. Murphy Jr., he and his father go through a lot of bad luck in their lives.
  • Hereditary Hairstyle: With the exception of his cousin Nate, all the Murphy men we've seen so far have the same hairstyle.
  • Idiot Hair: His tiny little pomp looks surprisingly like an Ahoge.
  • In Harm's Way: Although he doesn't have much choice in the matter, he prefers the excitement his own life hands him to the routines his classmates are trapped in.
  • It Is Pronounced Tropay: Milo's middle name is not "Danger", it's pronounced "Dan-jay".
    • Which is the French pronunciation of the word (as it's written in the same way in that language).
  • The Jinx: Milo is a classic example since whatever weird fate awaits him is liable to hit whoever's nearby, though he doesn't like to use the J-word;
  • Keet: He maintains a calm, cheerful, optimistic, unshakeable and resourceful personality that perseveres whenever things start to go wrong.
  • The Klutz: His luck also tends to make him clumsy as well.
  • Lethal Chef: Played with. His attempts at making macaroni and cheese from a box turn out mostly successful... until he decides to add some yeast for the pizzazz factor, upon which his bad luck kicks in and causes the yeast to expand rapidly until the macaroni and cheese explodes, splattering everything around him. It helps that he went to a cooking class prior to this event, but even then the stoves all broke down in time.
  • Limited Wardrobe: He loves his sweatervests and is only rarely seen wearing anything else unless it's for school purposes (i.e. gym class).
  • Loves the Sound of Screaming: Owns a CD called "Sounds of Disaster" which mimics the crashes, screams and other cacophonies that tend to be heard in his wake.
  • Made of Iron: Averted. Milo has scars from his misadventures, to the point where casual acquaintances can discern when he has a new one, and has a suite at the hospital reserved for him (and presumably his father). Milo may survive the chaos in his life, but he doesn't exactly come out of it physically unscathed. His injuries rarely carry on between episodes though.
  • Mad Libs Catchphrase: "Like my dad always says, [ridiculous statement]."
  • Metaphorgotten: A lot.
    "But you know what they say: 'sticks and stones can damage your vital organs, so always wear body armor.'"
    "Well, you know what they say: 'whatever breaks our egg only helps our egg-dropping contraption utilize the forces of gravity, inertia and weight distribution better.'"
  • "Metaphor" Is My Middle Name: Combined with His Name Really Is "Barkeep"; Danger really is his middle name (though, it's pronounced Dawn-Zhay), derived from his grandma's maiden name apparently.
  • The Millstone: His bad luck tends to be the source of all the conflict in each episode. It's to the point where, in Sunny Side Up, he helps keep their project intact by not helping.
    • On the other hand, in full-blown crisis situations such as the Pistachion takeover, his skill at dealing with chaos makes him useful enough to be worth the handicap, particularly since Murphy's Law is as likely to affect opponents in his radius as anyone else. In "The Phineas and Ferb Effect" Candace discovers this for herself after trying to convince him to keep a safe distance from her brothers' pistachio-fighting operation, and he becomes the mission's key weapon after the kids figure out that Murphy's Law can be strategically aimed.
  • Murphy's Law: It applies to him. Obviously.
  • Muscles Are Meaningless: Milo is a thirteen year old kid (as of his birthday) who has a trim physique, yet he routinely wears body armor that had the school principal knocked over and asking for help along with an entire ship's anchor, which can easily weigh anywhere between fifteen and a hundred pounds in his backpack. He carries both so frequently that his mother immediately questions why the anchor isn't in his backpack at the end of "Worked Day".
    Opera Actor: [After Milo replaced an actor, Operactically] You're shorter than I remember.
    Milo: [Operactically] This is the physique that I was cursed with.
  • Nice Guy: Despite the constant chaos in his life, Milo is always optimistic, friendly, and polite.

  • Opposites Attract: At first, a one-sided version: Milo, who creates chaos everywhere he goes, has a crush on Amanda, who is an obsessive perfectionist. In time, the feeling is reciprocal.
  • The Pollyanna: Despite the chaos that unfolds around him, he has so far been shown smiling through it and looking on the bright side of it all.
  • Seen It All: Because of everything that happens around him, he's hardly fazed by any oncoming disasters. Although normally optimistic, as a result, his overall expressions to danger tend to be that of disgruntlement and bemusement.
  • Ship Tease: He gets a bit flustered around Amanda when trying to make sure nothing bad happens to her, and she reciprocates when he manages to do great good.
  • Spanner in the Works: In "Missing Milo", he runs up a tree and puts his backpack on it as it falls. When King Pistachion is attacking the school, Milo picks up a baseball and throws it, and after giving a piano winch and cable snares to Zack, an extra-large straight jacket to Sara, wind chimes and a self-inflating air raft to Melissa, he summons a woodpecker whistle, and the woodpeckers start to peck away at King Pistachion, followed by Diogee taking a tinkle on Pistachion, and the uric acid stops the mutant pistachio plants.
  • Strong Family Resemblance: Shares all of his physical looks from his father.
  • ¡Three Amigos!: With Zack and Melissa.
  • Two First Names: Either "Milo" or "Murphy" can be used as a first name.
  • Unluckily Lucky: A textbook example. If there's anything more unlikely than the messes he gets himself into, it's the fact that he manages to get out of them. If there's a one in a trillion chance of something going wrong around him, it will, but the string of disasters that he's followed by rarely does any worse than inconvenience him, even when it's something like being chased by wolves or falling off a cliff. Sometimes they even end up working out in his favor. For instance, on the day of his surprise birthday party, Diogee ended up eating or otherwise messing around in Milo's birthday cake. Cue various trucks filled with cake and ice cream careening off the road along with a shipment of fireworks falling out of the sky and crashing simultaneously in mid-air, raining cake and ice cream on Milo and his friends while treating them to a brilliant display of fireworks.
  • Vocal Dissonance: It's a bit of an aberration to hear a young 13-year-old boy speaking in the voice of "Weird Al" Yankovic.
  • Walking Disaster Area: His condition means that his mere presence causes things to go haywire around him. To hammer this home, in "Sunny Side Up", he wakes up to a perfectly normal and undamaged room... and immediately assumes it's a dream before waking up for real and finding that a tree plowed through his window.
  • Weirdness Magnet: Milo's bad luck can attract some really strange things, like time-agents or space aliens.
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    Melissa Chase 
https://static.tvtropes.org/pmwiki/pub/images/melissa_chase_trans_3.png
Confident and self-possessed, Melissa is smart if sometimes somewhat scattered. She was the first person brave enough to befriend Milo and is fiercely loyal and supportive of him. She's calm and controlled and loves when Murphy's Law shakes things up.
  • Absurd Phobia: Played with. Melissa has a mortal terror of roller coasters, which both Zack and Milo point out is fairly commonplace. It's the reason why she's afraid of roller coasters that's absurd. She was almost crushed by the Coolest Coaster Ever when it fell from the sky. And it did crush her science project. (We never do find out why she was working on a science project on the first day of summer...)
  • Action Survivor: Because she hangs out with Milo and has to deal with his luck, she becomes this.
  • The Anticipator: She's good at knowing when Murphy's Law is going to strike.
  • Awesome by Analysis: Becomes a darling of the Doctor Zone Files fans after she correctly deduces that Time Ape and Doctor Zone are brothers after an all night marathon of the most current series and a quick perusal of a reference book.
  • Beauty Is Never Tarnished: Averted. She has been covered in egg ("Sunnyside Up"), cheese at least once ("Secrets and Pies"), been left looking like a Shell-Shocked Veteran with a Thousand-Yard Stare ("Murphy's Lard"), and on at least one occasion that had nothing to do with Milo, caught a pop fly in the face that knocked out two of her permanent teeth, leaving her wearing dentures to replace them ("Secrets and Pies" again).
  • Big Sister Instinct: Stands up for Milo in the first episode via her bet, refuses to let Milo lose out on coming to high school with her and Zack in "The Note" and in "Worked Day", tells off her father when he round-aboutly accuses Milo of causing the fish hatchery fire. This is present for Zack (though more subdued) as in "Wilder West", she's not pleased with him throwing himself into danger to impress Jackie.
  • Casual Danger Dialogue: She'll often share conversations like this with Milo in the midst of a chaotic situation, given how used to it they both are.
  • Catchphrase: "Boom!"
  • Character Tics: Melissa is prone to raising one eyebrow, even in resting position.
  • Composite Character: In a sense. She somewhat resembles Candace Flynn, but both physically and in personality she is closer to Vanessa Doofenshmirtz, with a bit of Isabella Garcia-Shapiro thrown in.
  • Covert Pervert: Milo, who doesn't get why people need a rally to inspire pep, asks Melissa if she finds it at all peppy. She watches the Gecko mascot fall out of his costume and replies that it does.
  • Deadpan Snarker: Keeps her wits about her by keeping her wit dry.
  • Distressed Damsel: Ends up stuck on a Conveyor Belt of Doom in "The Note".
  • Dissonant Serenity: Not to Milo's extent, of course, but it usually takes a lot in her everyday to make her lose her composure.
  • Exotic Eye Designs: At least by the standards of this show's art style, which it shares with Phineas and Ferb. Melissa has actual pupils and irises, as opposed to the colored dots that serve as a pupil/iris combo for most other characters in both shows.
  • Fiery Redhead: A redheaded girl with spunk and the ability to pack a punch, exhibited best in "Spy Little Sister".
  • Forgetful Jones: Zack notes her as this in "The Undergrounders."
    • The plot of "The Math Book" starts because Melissa forgot her book inside the classroom, and it's implied it's not the first time she has done that.
  • Genre Savvy: She was confident she'd win all the bets because she knows how much an Action Survivor Milo is.
  • Gratuitous French: When critiquing Milo in "Secrets and Pies".
    Melissa: [After Milo pulls out a Sherlock Holmes-style hat instead of a chef's hat] Wrong chapeau, Chef de Cuisine.
  • Guile Hero: Manipulates Amanda into helping with Milo's birthday in "Party of Peril", playing on Amanda's OCD tendencies by saying things like "Color coordination isn't important".
  • High School Hustler: Spends the entire first episode running a betting pool over whether or not Milo and Zack will make it to school on time, goading the other kids to up the ante with every misstep that happens to the two. She wins and gives the proceeds, which were comprised of lunch and food items, to Milo and Zack, who had both lost their lunches earlier in the day.
    • In "Worked Day" she gives Zack 14:1 odds on a disaster occurring with Milo and his dad in the same spot at the same time. We see her collecting on that money as everything goes south.
    • In "Acadecamathalon", she tells everyone who's ready to give up to step to one side and give her $5. Chad actually pays her before Milo gives a Rousing Speech. When Chad fails to perform in the contest, Melissa tells him he's not getting the money back.
  • Magic A Is Magic A: More than once, she's called out Zack on being weirded out by one thing, when there's something even weirder going on.
    Zack: I'm the lard ... arbiter of good taste? What's that all about?
    Melissa: Really? And you didn't have a problem with the spaghetti people from another dimension?
  • Magic Skirt: Even when hanging upside-down from a pistachio tree.
  • Missing Mom: Her dad appears to be parenting her by himself.
  • Nerd: Seems to be a deliberate subversion of the usual character type. Melissa is an academic overachiever that avoids athletic activity, is downright obsessive about school projects and getting her teachers' approval, always carries around calculators and other tech with her, and has an encyclopedic knowledge of strange and obscure things. When times call for it can be considered their Smart Guy, but has more of a "cool kid" personality.
  • Not So Above It All: She appears at first to be the always cool, calm and collected Straight Man to their adventures, but as the series goes on she shows quite a few silly and oddball quirks of her own and is not always as unfazed as she looks, putting Zack more in the role while she plays more of a Blithe Spirit.
  • Only Friend: Before Zack came along, it's implied that she was Milo's only friend as she is willing to tolerate his luck unlike the other students.
  • Passionate Sports Girl: While not athletic, she does enjoys sports to the point that she caught a baseball with her face at the cost of two of her permanent teeth.
  • Perpetual Smiler: Her default facial expression is a calm, composed smile, and she will regress to it if there's no contextual trigger for other emotions.
  • Puppy-Dog Eyes: She has 'doe eyes:' for emergency use only.
  • Shell-Shocked Veteran: Certainly invokes this in "Milo's Lard" after her harrowing roller coaster ride with Milo. Notably averted most other times.
  • Ship Tease: Increasingly so with Zack in Season 2, and she even gives him a peck on the cheek in "Sphere and Loathing in Outer Space."
  • Slapstick Knows No Gender: To a very lesser extent (and she has become Genre Savvy about this), but being one of Milo's best friends inevitably turns her in a victim of Amusing Injuries at some point.
  • The Smart Guy: Has a stellar GPA and wants to keep it that way.
  • String Theory: She has an entire room that uses this to find a way to counteract Murphy's Law.
  • ¡Three Amigos!: With Zack and Milo.
  • Unfazed Everyman: To a certain extent; in the theme song, she calmly ensures she and Zack are safely out of the way of the falling title, but otherwise doesn't react at all.
  • Verbal Tic: Melissa often ends her sentences by saying "boom!"

    Zack Underwood 
https://static.tvtropes.org/pmwiki/pub/images/zack_underwood.jpg
The new kid in town and the voice of reason when things get out of hand. While the rest of the town is used to Milo, Zack is trying to enjoy the adventure of being Milo's best friend without getting destroyed.
Voiced by: Mekai Curtis, Aaron D. Jacob (singing)

  • Butt-Monkey: One of the most frequent victims of Milo's misfortune ... and Melissa's punching.
  • Casual Danger Dialogue: Though not as often as the other two, he'll sometimes do this during Murphy's Law moments.
  • Claustrophobia: He prefers "claustroavoidant."
  • Continuity Drift: Despite his fear of fish, as mentioned in "Lard World", he was perfectly fine with going fishing in "Time Out".
  • Cowardly Lion: Has a number of fears, such as Coyotesnote , Claustrophobia, and Ichthyophobianote , but he's so far kept up with Milo with little problems, even devising a plan to save the three of them after they fell off a cliff right before they fell in a convoluted escape they now refer to as "The Woodpecker Incident".
  • Deadpan Snarker: Especially the show is highlighting his role as Only Sane Man. Particularly noticeable in "The Math Book", in which he constantly downplays Melissa and Milo's characterization of their mundane objective of retrieving Melissa's math book as a "quest".
  • The Everyman: Probably the most down-to-earth member of the gang. He acts sort of like how a viewer of the show would behave if he/she were to encounter someone like Milo.
  • Face of the Band: An In-Universe example for the Lumberzacks.
  • Foil: Often grouchy and pessimistic, while Milo is cheery and optimistic.
  • Hair Color Dissonance: Zack's black hair uses a bright red outline.
  • The Hero: In "The Mid-Afternoon Snack Club", he was this for once.
  • Hidden Depths: While he's a somewhat easily startled Only Sane Man much of the time, he's also a talented singer who was once the leader of a hit boy band. His only known song is still on the air long after he quit. By the end of the first episode, he finds Milo's disasters exciting in moderation.
  • I Just Want to Be Normal: Played with in the first episode. Zack complained about all of the chaos he had to go through, just getting to school and asked Milo how he could deal with it every single day. Milo convinced him that living a normal life is boring and he should be thankful that he can get at least a taste of the adventures, that take place in his life.
  • In Harm's Way: Naturally happens via being Milo's friend but really gets into this trope while trying to impress Jackie.
  • Literal-Minded: Something of a running gag.
    Melissa: You're really into semantics.
  • Lovable Jock: He's in the football team, and is definitely not a jerk.
  • Love Makes You Dumb: His crush on Jackie in "Wilder West" causes him to drop his Only Sane Man status with alarming speed. His friends are less than thrilled.
  • Naïve Newcomer: Because he's new in the area, he's not aware of Milo's bad luck and the destruction he causes when he first meets him.
  • New Transfer Student: When the show starts.
  • Old Shame: Was in a Boy Band, the Lumberzacks.
  • Only Sane Man: By far the most level-headed and normal of the three friends. This sometimes works against him, as he naturally assumes fantastically unlikely/impossible disasters won't happen every few minutes.
  • She Is Not My Girlfriend: Keeps having to deny that he and Melissa are a couple in "The Phineas and Ferb Effect."
  • Sidekick: In "The Mid-Afternoon Snack Club", he revealed that his secret gripes about how Milo was always the one who solved all the problems, while he was just "that guy, who's always with him".
  • Spell My Name with an "S": Even official accounts spell his name as "Zach" sometimes.
  • ¡Three Amigos!: With Milo and Melissa.

    Diogee Ex Machina Murphy 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_21h05m25s950.png
Milo's dog. He always follows Milo and usually helps him out when he's in trouble.
  • Action Pet: He'd easily give Perry a run for his money if he joined the OWCA.
  • Amplified Animal Aptitude: He follows commands pretty well, knows how to make a pulley system, and apparently understands Spanish due to attending a Spanish class alongside Milo. Diogee can also fend off wolves, herd and wrestle llamas, and run across the country just to reach Milo in time to save him. Later on he's seen riding the subway, running through airport security, and skydiving out of a passenger plane to reach Milo after he got stranded on a deserted island.
  • Badass Adorable: A cute little dog that tackles a wolf to save his master.
  • Big Damn Heroes: He has a knack for showing up right when he is needed the most.
  • The Cat Came Back: No matter where Milo's luck takes him, even miles underground, Diogee can somehow find his way to his master.
  • Deus ex Machina: To the point where "Ex Machina" is his middle name.
  • A Dog Named "Dog": Say each letter out very slowly - D-O-G - Diogee.
  • Dogs Are Dumb: Averted. Diogee has proven himself to be exceptionally intelligent, between being bilingual, a llama herder, being able to interpret a city map, skydive unassisted, and create pulley systems with only a rope and a tire. However, he's still prone to doing things that dogs tend to do, like eating any kind of food that isn't nailed down (like the eggs for Milo's science project and his birthday cake) and makes some questionable choices (i.e. wearing a foam finger over his head and tail, making it impossible for him to see and hard to walk around him).
  • Foil: To Perry the Platypus. Whereas Perry is a secret agent, an uncommon animal (especially for a pet), and has a habit of disappearing, which makes people say "Hey, where's Perry?", Diogee is an ordinary dog, a common animal (especially for a pet), and has a habit of appearing, which makes people say "Diogee, go home."
  • Heroic Dog: He's responsible for helping and shadowing Milo out of his more dangerous scraps.
  • Leitmotif: So far associated with Smooth Jazz.
  • Meaningful Name: His name is eventually revealed to be Diogee Ex Machina Murphy, a Punny Name based off Deus ex Machina. Appropriate, since there have been a number of time where his sudden appearance has aided the protagonists (like an actual Deus ex Machina).
  • Phrase Catcher: "Diogee, what are you doing here?" and "Diogee, go home. He's not supposed to be at/in X."
  • Punny Name: off Deus ex Machina
  • Scarily Competent Tracker: He always manages to find Milo, no matter where he goes.
  • Spanner in the Works: In "Missing Milo", King Pistachion focuses on preventing Milo and his friends from harming his younger self, but he didn't take into account Diogee, who proceeds to urinate on the sapling and destroy it.
  • Urine Trouble: Nearly pees on the pistachio tree, being the "threat" to the pistachio tree that Cavendish and Vinnie were after in "The Substitute".
    • He succeeds in doing so in the "Missing Milo" special, and since the plant is King Pistachion's younger self, and very weak to uric acid, he vanishes.

The Ex-Time Agents

    Balthazar Cavendish 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_20h03m02s078.png
A time travelling agent in charge of guarding pistachios, paired with Dakota. He's a bit standoffish and tends to take things a bit seriously. He and Dakota later have been demoted to cleaning outhouses in the Renaissance era, and in Season 2, both of them get fired and banished to the present time, there hired to take care of alien trash.
Voiced by: Jeff "Swampy" Marsh

  • Been There, Shaped History: He's the inspiration for Doctor Zone.
    • Apparently Earth had a second moon before he and Dakota blew it up.
  • British Stuffiness: Dresses like a reserved Englishman and has a standoffish personality to boot.
  • Cassandra Truth: After "Missing Milo", he can't convince Mr. Block that Pistachio plants mutated into a monster that would take over the world, justifying why they have to be destroyed.
  • Character Development: In "Time Out", we see the subtle serialization in the series. Based on past episodes, when the male Murphys and Underwoods go on a father-son fishing trip, Cavendish starts to take his mission more seriously, even believing that Milo is a counteragent sent to thwart their mission, and he makes apprehending Milo his secondary mission. In the hour-long special "Missing Milo", he eventually realizes that Milo wasn't intentionally disrupting their assignments at all.
  • Character Tics: He is prone to pulling off the Fascinating Eyebrow.
  • Enemies Equals Greatness: Believing Milo is intentionally trying to prevent him and Vinnie from fulfilling their assignment makes him happy because he takes it as a sign their assignment isn't meaningless.
  • Fanboy: He's a huge fan of Professor Time, squealing once the latter recognizes him.
  • Flat-Earth Atheist: In a world where there is time travel and other weird stuff, he doesn't seem to believe in the curse of Murphy's Law.
    • This changes in the episode Missing Milo where he learns about Milo's condition and starts believing in it fairly quickly.
  • Glory Hound: He desperately wants a mission of acclaim and glory, but got the most useless one their agency could give. When he starts thinking that Milo is out to thwart them, he's overjoyed because he thinks it means they're actually doing something important. He thinks that once they bring in Milo, it would mean that they would finally be taken seriously.
  • Hair-Contrast Duo: Cavendish's grey hair against Dakota's dark one. Cavendish's uptight against Dakota's laidback personality.
  • Hero Antagonist: Cavendish has gone into this role, trying to pursue Milo when he gets the chance. However, he believes Milo is the villain, and that bringing him in will do everyone a favor. He stops after Milo explains that he's not trying to sabotage his missions, and is more or less amicable with him after "Missing Milo". Of course afterwards, he tries to avoid him now that he understands what Murphy's Law is.
  • I Just Want to Be Special: He is desperate to prove that his and Vinnie's mission is a meaningful one. He latches onto the idea that Milo is a counter agent sent to thwart them for this very reason.
  • Inspector Javert: Starting with the "Time Out" episode and ending in "Missing Milo", Cavendish believed Milo Murphy was a counteragent sent to thwart their pistachio-guarding mission, and he begins a relentless pursuit of Milo.
    Dakota: That's that Milo Murphy I was telling you about! Every time our pistachios get ruined, he's there. Every time!
    Cavendish: No.
    Dakota: And he almost took out the shipment just then!
    Cavendish: That's preposterous. [The scuba tank suddenly discharges, hitting the shipping crate of pistachios from Tunisia]
    Dakota: Whoa!! [Cavendish and Dakota literally hit the deck to avoid the wild scuba tank] See?
    Cavendish: But that would mean... [gasps] He's trying to stop us! He's trying to ruin our mission! Dakota, what we are doing here is not inconsequential! If it's important enough to send a counteragent, it must be vital!
    Dakota: Hey, now you're getting a little -
    Cavendish: We are not just nut-guarding nobodies, we are secret spy somebodies with our very own counteragent!
    Dakota: Well, I guess things are looking up.
    Cavendish: Just look at him over there, plotting our demise!
    Milo: I sure love cheese fries!
    Cavendish: Oh, this is not over, Milo Murphy! Not by a longshot.
  • Muscles Are Meaningless: Can easily lift Milo by his backpack with one hand, the same backpack that houses a full sized anchor, car parts, musical instruments, and other heavy equipment. That's not even taking into account Milo's body armor.
  • Never My Fault: When their missions go awry, Cavendish is often quick to blame Vinnie for whatever happened. Later on, he's shifted the blame to Milo.
    • Subverted in "The Substitute", when he tries to prevent Diogee from "doing his business" on the pistachio seedling, only for Cavendish himself to accidentally step on and crush the pistachio plant:
    Cavendish: Whoa, whoa, no no, no, no, no! Get out of here, you beast! [Cavendish chases Diogee away] Well, there you go, our first successful mission. [Dakota taps him on the shoulder, pointing to the pistachio plant Cavendish just stepped on] Oh, nuts.
  • Not So Above It All: Particularly after "Missing Milo," when his all-encompassing mission falls to the wayside out of necessity and he's far more open to any tomfoolery Dakota might happen to suggest (the "Ditch Day" sequence in "Perchance to Sleepwalk" about sums it up).
  • Odd Couple: His formal, uptight demeanor often clashes with the more laid-back Dakota.
  • Stealth Hi/Bye: Is prone to vanishing the instant the camera is no longer focusing on him.
  • Steampunk: Aside from his top hat with goggles, his gadgets follow this style.
  • Straight Man: He may look and act like he's this, but it's rather quietly subverted; its almost implied that he's slightly less smart than Vinnie. For example, in the "Doctor Zone Files", when Sara orders pistachios, Balthazar condescendingly informs her the correct pronunciation ("pi-stash-ee-oh") but Vinnie tells him that's exactly how she said it. And in "The Island of Lost Dakotas", we see that he frequently DIES due to his own blunders while on missions, and that Vinnie constantly has to go back in time to prevent his deaths from happening.
  • They Killed Kenny Again: The episode "The Island of Lost Dakotas" reveals that Cavendish is this trope, though he is completely unaware of it. Dakota has created a system where he goes back in time to prevent his friend's constant deaths, with all the prior versions of himself that result from doing this going off to live on a deserted island to minimize temporal irregularities.
  • Time Police: Ordered to protect the pistachios. He's been demoted further to cleaning Rennaisance outhouses, but he regularly shirks these duties to do his own thing.
  • Too Dumb to Live: Literally. Several of his deaths from "The Island of Lost Dakotas" were due to his own poorly thought out actions, such as trying to ski down an expert-level slope, leaning against the railing of a walkway over a vat of molten lava, and walking out onto an alien planet without putting on his space suit's helmet first.
    • To be fair the majority of those deaths were due to plain bad luck. Like having a beam drop on him out of nowhere on a construction site, the aforementioned railing suddenly giving way (no it wasn't weakened by the heat, it broke!), and having a T-rex eat him and only him despite Dakota standing right next to him when they were traveling around prehistoric times. Cavendish seems to attract bad luck at an extent like Milo does.
  • Ultimate Job Security: He and Dakota were already considered bad agents, then they were caught deliberatedly failing to protect pistachios and destroying them instead, and neither seem to have the slightest interest on actually working ever since they were reassigned to cleaning Rennaisance outhouses, yet they still have a job.
  • Unknown Rival: Both of them, technically, but Balthazar briefly became obsessed with "thwarting Milo" (see Wrong Genre Savvy), while Dakota would rather not bother. Thanks to Murphy's Law and their own incompetence, Milo barely even knew who they were for several episodes, apart from being pistachio vendors.
  • Windmill Crusader: He was convinced that Milo is a threat to their plans and had it out for them for a short period of time.
  • Wrong Genre Savvy: After learning about Milo's presence whenever one of their missions fails, he becomes certain that Milo is an enemy agent out to stop them. It isn't until they properly converse in "Missing Milo" that he learns and accepts that it was just localized bad luck caused by Milo's Murphy's Law.
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    Vinnie Dakota 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_21h17m02s075.png
A time travelling agent in charge of guarding pistachios, along with Cavendish. He's a bit more laidback and lazy comparted to his partner. He and Cavendish later have been demoted to cleaning outhouses in the Renaissance era, and in Season 2, both of them get fired and banished to the present time, there hired to take care of alien trash.
Voiced by: Dan Povenmire

  • Accidental Hero: In "Fungus Among Us", he saves Milo, Zach and Melissa from plummeting to their doom in a falling hot air balloon completely by accident (though given his Hidden Depths...).
  • Adorkable: Despite being a fully grown man, he still gets as excited as a young child does when it's revealed they're going to the zoo.
  • Almighty Janitor: Is the reason why the Louisiana Purchase happened, but is now protecting pistachios.
  • Ambiguously Bi: Dakota felt rather offended when Cavendish wonders why he doesn't have an attractive partner, but in that same episode, Dakota hits on Savannah.
  • Angst? What Angst?: He's pretty laid-back for someone who has witnessed his partner's death repeatedly and lives with the knowledge that he could be replaced by his future self and banished from civilization at any time.
  • Been There, Shaped History:
    • He ensured the Louisiana Purchase ended up happening, he's the reason for all the clocks in the time stream, and he's the inspiration for Time Ape.
    • Apparently Earth had a second moon before he and Cavendish blew it up.
    • In the Halloween Episode, to save the Halloween day from a time grenade, he took away February twenty-ninth so that it only occurs once every four years, creating leap years.
  • Berserk Button: Tends to react badly to being called selfish.
  • Big Eater: Is often munching on something, and in "Worked Day" he spends a good deal of time trying discuss where to go for lunch.
    • In an episode of seasob where he is given repeated Laser-Guided Amnesia by an alien object at a Slushie Dawg drive-through, he basically clears the entire place out by himself.
  • Cloud Cuckoolander: Easily distracted by lava lamps, fascinated by breakfast burritos ("it's breakfast inside of a lunch"), wears a tracksuit for no apparent reason (he's completely out-of-shape).
    (out of breath): "I should not have eaten all those wax lips."
  • Crouching Moron, Hidden Badass: He proves to be this in the special "Missing Milo." He is the only one who takes down any of the pistachio creatures with physical force, shows himself to be extremely resourceful, and figures out how to use Murphy's Law to their advantage.
    • Shown more in "The Island of Lost Dakotas", where we see that he's actually the more competent of the duo and has saved Cavendish on multiple occasions.
  • Disco Dan: Dresses in 80s/70s fashion.
  • Hair-Contrast Duo: Cavendish's grey hair against Dakota's dark one. Cavendish's uptight against Dakota's laidback personality.
  • Jerk with a Heart of Gold: Dakota may be selfish and only thinks about himself according to Cavendish, but he really cares about Cavendish. Until "A Christmas Peril", Cavendish could never see this side of Dakota.
  • Joisey: His accent and clothing is somewhat reminiscent of Jersey Shore.
  • Manchild: Gets excited about the zoo, takes to trick-or-treating like a duck to water, and generally lets his partner handle the more adult hurdles of the job (or so it would appear). Being accidentally turned into a very young child in "Backward to School Night" barely made a difference.
  • Me's a Crowd: As of "The Island of Lost Dakotas", we learn that there's an entire island populated with time-displaced Vinnie Dakotas who have built their own society.
  • Odd Couple: His cool, laid-back persona is usually at odds with the more uptight Cavendish.
  • Obfuscating Stupidity: If "Missing Milo" proved anything, it's that Vinnie is an extremely capable time agent, he just doesn't like to work hard. When put in the right circumstances he is shown to be very intelligent and resourceful.
    • This is demonstrated further in "The Island of Lost Dakotas", where we see that he's more capable and responsible than Cavendish is, and has only been humoring Cavendish this whole time.
  • Smarter Than You Look: Despite being laid-back and easily distracted, he generally has a better sense of what is going on than Cavendish does. In "Time Out", he mentions preventing the "Mississippi Purchase".
    • In "Missing Milo," he figures out how to use Murphy's Law to his advantage after only knowing of its existence for a short amount of time.
    • In "The Island of Lost Dakotas", we see that he's regularly been going back and saving Cavendish's life each time Cavendish dies on a mission for an untold amount of time, and has never let Cavendish know this.
  • Stealth Hi/Bye: Is prone to vanishing the instant the camera is no longer focusing on him.
  • Sticky Fingers: Dakota has a problem stealing Brick and Savannah's belongings.
  • Time Police: Ordered to protect the pistachios.
  • Ultimate Job Security: He and Cavendish were already considered bad agents, then they were caught deliberatedly failing to protect pistachios and destroying them instead, and neither seem to have the slightest interest on actually working ever since they were reassigned to cleaning Rennaisance outhouses, yet they still have a job.

Youth

Jefferson County Middle School Students

    Amanda Lopez 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_21h12m00s293.png
A student in Milo's class and a Super OCD-level perfectionist. Loves order and organization, and yet turns out to be Milo's love interest as the show progresses, in spite of her perfectionism and his chaotic bad luck.
Voiced by: Chrissie Fit

  • Adorkable : Let's see. She's obsessed with making sure things turn out well to the point of over scheduling, has an appreciation for the finer things, squees in delight at seeing her favorite cooking show host, and is occasionally nervous around Milo even without Murphy's Law. Yep, she definitely fits the bill.
  • Control Freak: A rare non-antagonistic example. Basically, if she is in charge, things get done, as she says, right away, period. Some of her classmates are scared of her.
    Amanda: Your party planner has arrived with the bubble machine. Chaos is over. Order begins. You, cards on every table, color-coded by age, gender and cake preference. You with the funny hair, these banners should be all five feet from the ground. You, nail-biter, make sure all the utensils are parallel to each other. Step to it, people!
  • Clingy Jealous Girl: If anyone still had doubts about her feelings, Milo and Joni's "moment" triggered Amanda BADLY.
  • Genre Savvy: She is fully aware that Melissa is manipulating her in "Party of Peril", but her Super OCD just won't let her leave the situation alone after Melissa barbs her on with suggestions that color coordination isn't important.
  • Hair Color Dissonance: Amanda's black hair is represented with dark purple hair.
  • Ludicrous Precision: Able to tell the arrival of a subway train to the second.
  • Mundane Made Awesome: Amanda reveals in "The Mid-Afternoon Snack Club" that she actually has a wild side that no one knows about: once in algebra class, she didn't take ANY notes!
  • Opposites Attract: She, the Super OCD perfectionist obsessed with everything going exactly right, starts showing interest in Milo.
  • The Perfectionist: Plans her schedule with pin-point precision and "Smooth Opera-tor" confirms that anything even slightly out-of-whack drives her crazy.
  • Relationship Upgrade: She seems to get one with Milo by the end of "Managing Murphy's Law", telling him they're "just getting started" and kissing him on the cheek.
  • Rescue Romance: Of a sort. She apparently falls for Milo after he saves her meticulously planned dance from falling apart, breaking her out of a Heroic BSoD. A more literal rescue comes after during "Cake 'Splosion!", complete with Bridal Carry.
    • Role reversal in "Ride Along Little Doggie": Milo falls after trying to climb out of the school auditorium's basement, and Amanda appears just in time to catch him, also with Bridal Carry.
  • Schedule Fanatic: Her schedule includes the exact time it will take her to peel and eat an orange.
  • Ship Tease: Initially, Milo's crush is one sided and Amanda is wary about the Murphy's law, as any other person. She starts to warm up to Milo and occasionally gets flustered around him when he does good, and he reciprocates. After "Managing Murphy's Law", their interactions are noticeably more... chummy, so to say.
  • Sixth Ranger: Starts hanging out much more with the gang in season 2.
  • Super OCD: Melissa suggesting the idea of color coordination not being important makes her twitchy and despite her being aware she's being manipulated, she is incapable of letting Milo's party be planned less than perfectly. "Smooth Opera-tor" shows that she's self-aware of it and outright admits to the main trio that she needs order and structure in her life.
  • Uptight Loves Wild: See Opposites Attract.

    Bradley Nicholson 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_20h41m13s459.png
A pessimistic student at Milo's class who is jealous of the attention Milo always gets.
Voiced by: Vincent Martella

  • Abhorrent Admirer: Averted. When he asks Melissa if she minds if he sits by her, she cheerfully tells him to go ahead. He ends up backing away, however, because Milo is already on Melissa's other side.
  • Always Someone Better: His relationship with Milo, who he feels is always stealing his thunder.
  • Attention Whore: Envies Milo's constant misfortune because it makes him conspicuous.
  • Body Horror: A rare Played for Laughs example. After he reverts back to normal, his right hand stays as a plant.
  • Deadpan Snarker: It's pretty much his trademark that he has a lot of salty remarks about Milo and Murphy's Law.
  • Everyone Has Standards:
    • He's very honorable. In the pilot, when Melissa wagers that Zack and Milo will make it to school on time, he forfeits all the lunch items and Vitamin C tablets he placed in the betting pool.
    • Even he has never wished for there to be a world without Milo. Or if he has, he would never be rude enough to say it to Milo's face, the way Elliot Decker does.
  • Green-Eyed Monster: He's jealous of the attention that Milo gets from his bad luck, especially his friendship with Melissa.
  • Grumpy Bear: As a foil to Milo's optimism.
  • I Gave My Word: He gives up all the lunch items he wagered, without complaint, when Melissa wins their bet that Zack and Milo will make it to the first bell.
  • Jerkass Has a Point:
    • He's not wrong when he makes his criticisms about how Milo's bad luck causes a lot of trouble, and how adults never seem to account for it. It says something that Zack when he got a taste of Murphy's law had a similar opinion initially.
    • He points out to Melissa that partnering up with Milo could threaten her straight A streak. Which actually is true, and Milo works hard to make sure that his bad luck doesn't cause their project to fail. Meanwhile, Bradley comes in second in the competition since his group's egg only has a hairline crack.
  • Kick the Dog: Shown baiting a giraffe with food in "We're Going To The Zoo," then yanking it away at the last minute for no reason.
  • Know-Nothing Know-It-All / Teen Genius: Seems to waver between these. On the one hand, in "The Undergrounders", his frequent attempts at trivia smack of the former trope. But in "Sunny Side Up", his was the only other contraption that came close to meeting the goal of protecting the egg, hinting at the latter trope.
  • Locked into Strangeness: He was among those who were turned into Pistachions in Milo Murphys Law S 2 E 1 The Phineas And Ferb Effect but, in a subversion of No Ontological Inertia, even after Derek was defeated in the past, he still retained a plant tendril in his right hand's place.
  • Poke the Poodle: Where Milo is concerned, the worst he does is snark about the former for his bad luck, and at Melissa for being friends with Milo. There is his Kick the Dog moment towards a giraffe, though.
  • Strange Minds Think Alike: Like Milo, he regards a vitamin C tablet as betting currency because it's cold and flu season.
  • Villainous Crush: Well, he's not villainous per se, but it's clear he has a crush on Melissa.

    Mort Schaeffer 
https://static.tvtropes.org/pmwiki/pub/images/screenshot_4001.png
A burly-looking student in Milo's class. He is into astrology, chakras and other esoteric matters regarding inner peace and harmony with the universe.
Voiced by: Greg Cipes

  • Genre Savvy: Played for Laughs in "Battle of the Bands," as he notes all of the Music Stories tropes that the group is going through.
  • Gentle Giant: Despite his bulky physique, he's remarkably soft-spoken.
  • Granola Guy: Wagers Vegan Cheese Sticks into the betting pool in "Going the Extra Milo", and stockpiles chunks of Rose Quartz when the class arrives at the museum in "The Undergrounders." He even blames his bad luck during the football game on his blocked chakra.
  • Lovable Jock: Is on the football team, and friendly with both Milo and Bradley.
  • Nice Guy: Reassures Milo that his own misfortunes are due to his chakras, and not Milo's Murphy Law Syndrome.
  • Sixth Ranger: When the gang starts a their own band, he becomes their drummer. In plots about the band, he hangs around with them.
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    Chad Van Coff 
https://static.tvtropes.org/pmwiki/pub/images/chadmml.jpg
A stocky boy in Milo's class. He is very superstitious and is absolutely convinced that Mr. Drako is a vampire.
Voiced by: Django Marsh

    Lydia 
A friend of Amanda and (presumably) Melissa who is very enthusiastic and loyal.
Voiced by: Alyson Stoner

  • A Day in the Limelight: Lydia was generally just a forgettable background character throughout Season 1 and the majority of Season 2, but in the episode "Escape", she finally had some time to shine when she, Coach Nolan, and Scott were all trapped in an elevator and learned a few new things about each other. Lydia was notably revealed to be an improvisational actress.
  • Absurd Phobia: Ponies, as seen in "Managing Murphy's Law".
  • Ambiguously Brown: The shape of her eyes make her appear to be somewhat Asian. However, her light complexion and brunette hair make her appear more Caucasian. Perhaps she's of mixed race.
  • Collector of the Strange: She collects scary masks.
  • Hidden Depths: In "Escape", we learn that not only does she has a passion for improv, but she has a collection of scary masks, abnormally strong fingernails, and she once ate half of a book.
  • The Igor: To Amanda - minus the evil.
    Lydia: Amanda texted me and I just blindly followed her instructions. It's what I do.
  • Non Sequitur, *Thud*: She said a few of these in "Disaster of my Dreams" when she got motion sickness.

    Joni 
A student at Jefferson County Middle School who always seems to find herself in various accidents.
Voiced by: Phoebe S. Hughes

  • Butt-Monkey: She's very prone to fall victim to Murphy's Law. More so than others. Joni even sustains more injuries than Zack as she has no way of protecting herself.
    Milo: Hey, Joni. Wanna sit with us?
    Joni: Hey, Milo. I just got my cast off from last time.
  • Slapstick Knows No Gender: When Murphy's Law goes wild, it does not give her special treatment because she's a lady. In fact, "The Substitute", featured a sentient blob grinding her ponytail up in a pencil sharpener.

Relatives

    Sara Murphy 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_20h53m05s185.png
Milo's older sister. She is a big fan of the Doctor Zone franchise.
Voiced by: Kate Micucci

  • Adorkable: A sweet, intelligent young woman who's prone to overanalysis and struggles to find a topic of conversation unrelated to her favorite TV show.
  • Cool Big Sis: Naturally. Despite the impact Milo's lousy luck has had on her life, she doesn't hold it against him at all and clearly loves hanging out with him, adamantly insisting that she'd hate attending events without him and negating his attempt to distance himself from her for her own safety.
  • Crazy-Prepared: To a level that rivals her brother. It makes sense since she's been dealing with Milo's bad luck ever since he was born. That's not even including the bad luck she probably suffered around her dad.
  • Every Girl Is Cuter with Hair Decs: Sarah sports a pair of Four-Leaf Clover pins in her hair, given that she's trying to ward off the bad luck brought by her brother.
  • Fangirl: Of The Doctor Zone Files.
  • Good Angel, Bad Angel: In the form of multiple cosplaying versions of herself.
  • Hereditary Curse: Averted—while she is technically a descendant of Edward A. Murphy Jr. (the person that Murphy's law is named after), just like her brother and the people on their dad's side of the family, but she didn't inherit the bad luck. Word of God says that this is because, just like the "Simpson Gene" in Lisa the Simpson, the curse of Murphy's Law only effects the men who're direct descendants of Edward A. Murphy Jr.
  • Hollywood Genetics: She's the only blonde in a family of brown-haired people. Of course, it's entirely possible that she got her hair color from a recessive gene that both of her parents carry (since blonde hair is recessive to brown hair). Sara also might not be a natural blonde.
  • Properly Paranoid: Having Milo for a sibling can do that for you.
  • Twice Shy: She and her crush, "Neal from the comic book shop," go through roughly the same amount of stress over whether or not their evening out is supposed to be a date.
  • Two First Names: Either "Sara" or "Murphy" can be used as a first name.
  • The Unfavorite: Subtly hinted in "The Wilder West," when her mother recognizes that they always forget about her.
  • Verbal Tic: Has a tendency to end her sentences with punctuation; and by that, we mean she says which punctuation mark it is.

Others

    Elliot Decker 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_19h39m19s896.png
A volunteer school crossing guard who is all about safety and loathes Milo with a passion, finding him a danger for society.
Voiced by: Christian Slater

  • A Day in the Limelight: "Disaster of My Dreams" and "World Without Milo" are centered around him.
  • Animals Hate Him: Birds seem to attack him a lot.
  • Butt-Monkey: Due to the fact he frequently attempts to engage or antagonize Milo, Murphy's Law tends to hit him right in the face, which generally results in comically horrible things happening to him, such as being disintegrated or being attacked by ducks. Even without that, though, nobody in the town really seems to like him very much anyway.
  • Enemies Equals Greatness: He learns that Milo's curse gave his life meaning, and regrets Milo's temporary non-existence in "World Without Milo."
  • Expy: To some extent, he is the (male and adult) version of Candace Flynn in this series.
  • Failure Is the Only Option: Elliot can never get some kind of promotion nor earn the school's respect.
  • Freudian Excuse: When he was a kid he visited a circus and was given a bag of marshmallows as a treat by his parents. He ignored their warning to be safe and dropped his bag of marshmallows, which set off a catastrophic chain of events that collapsed the circus tent on top of him. Unbeknownst to him, Milo's dad was in attendance with his daughter, but he blamed himself for not being safe conscious enough.
  • Hypocrite: In "Disaster of My Dreams". Despite his obsessions with safety, he resorted to unsafe actions while following Milo around, such as standing on a chair right outside the music room (causing it to be knocked over when he leans forward too much), or crawling around the school air vents (which he soon fell out of). He also chose to hide a malfunctioning water fountain from Principal Milder, rather than immediately try to fix it (which would have made him look more suitable for the job).
  • Insistent Terminology: He's not a "crossing guard", he's a "Safety Czar".
  • Jerkass: He goes out of his way to antagonize Milo, even trying to prevent him from watching a charity race in "Pace Makes Waste" (despite the fact that Milo had bought a ticket like everyone else, and his parents had organized the whole thing).
  • Knight Templar: Considers Milo a danger to the neighborhood and obsessively monitors him.
  • Know-Nothing Know-It-All: Despite his self-proclaimed safety expertise, his 'precautions' tend to be either pointless or downright dangerous, such as taping the fire-extinguisher cabinet shut in order to pad the corners.
  • Moral Event Horizon: He's considered to have crossed this in-universe when he tells Milo the world would be better if he didn't exist. Even Bradley seemed shocked to hear this voiced out loud.
  • Ripple Effect-Proof Memory: He's the only one in the Milo-free Alternate Universe that remembers Milo. Handwaved by Vinny suggesting the lead in his sign shielded him.
  • Sitcom Archnemesis: Is shaping up to be this for Milo.
  • Small Name, Big Ego: Considers himself the "Safety Czar" for the town, despite being a mere crossing guard (typically a volunteer position), and tends to act with an air of authority not associated with such a position.
  • Victory Is Boring: He spent the initial parts of "World Without Milo" celebrating Milo's non-existence as a victory for safety. That said, without his self-proclaimed nemesis, he ends up really bored and depressed.
  • You're Just Jealous: "Disaster of My Dreams" shows that he feels this way about the kids at his school who mocked him for being a hall monitor.

    Veronica 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_19h32m15s772.png
Milo's last babysitter (or his last babysitter standing, as she puts it). Currently works at Ye Old Pizza.
Voiced by: Danica McKellar

  • Action Girl: We're introduced to Veronica as she rides to the Murphy house on a motorcycle, dodging Murphy's Law instigated disasters nimbly, wearing armor and carrying a broadsword. The Flashbacks to Milo's childhood show that she had to be this in order to keep an infant Milo safe.
  • Badly Battered Babysitter: Played With because she was apparently able to take Murphy's Law better than any other babysitter Milo had and remembers the experience fondly.
  • Beyond the Impossible: Milo explicitly says that no matter how strong Murphy's Law was, Veronica was stronger.
  • Cool Big Sis: She playfully ruffles Milo's hair while saying that he earned the Awesome Backpack she gave him.
  • Crazy Awesome: Clad in psuedo-medieval armor, using a bottle of diet sodas and mints for propulsion, she managed to safely deliver a pizza (and Diogee) to Milo and co. And then she rode off on an ostrich to get more soda.
  • Crazy-Prepared: She gave Milo his Bag of Holding, and managed to deliver a pizza to the Murphy household.
  • Fake Brit: In-universe, as part of her job as a "Pizza Squire", she answered the video call with a fake British accent. As soon as she realized it was Milo, however, it became a case of Not Even Bothering with the Accent.
  • Fangirl: She seems to be one for the Lumberzacks, singing the lyrics to "Chop Away at My Heart," and blowing Zack a kiss.

    Neal 
Sara's comic-book obsessed love interest.
Voiced by: Maulik Pancholy

  • Birds of a Feather: He and Sara are both mega fans of Dr. Zone.
  • Known Only by Their Nickname: Played with in "Milo's World", when everyone consistently addressed him as "Neal from the Comic Shop" instead of using his actual last name or simply just saying "Neal".
    Melissa: Hey, Neal from the comic shop.
    Zack: Yeah, hey, Neal from the comic shop.
    Neal: I have a last name, you know.
    Melissa: Yeah, I'm pretty sure it's "From the Comic Shop".
  • Love Interest: To Sara.
  • Photographic Memory: Neal claims to have semi-photographic memory in "Game Night", elaborating it's only useful for board games and where he has parked his car.
  • Spell My Name with an "S": He has the less common spelling of his name, "Neal", as opposed to the more widely used "Neil".

    Max and the Lumbermaxes 
Zack's old bandmates, back when they were the Lumberzacks. Max took over as the leader of the boy band, and the rest of the band (Sean, Lyle and Melvin) renamed themselves "Max" as well.
Voiced by: Tyler Alexander Mann (Max)

  • Arch-Enemy: To Zack.
  • Incredibly Lame Pun: "The Lumberzacks" worked, but the name "Max", when pluralized, doesn't phonetically fit in with the plural of "Lumberjack". The only way for the pun to flow naturally is to say, "Max and the Lumbermax", but that makes it sound like there's only one backup singer.
  • Stealing the Credit: Max has sort of stolen the credit for leader of the band away from Zack.
  • The Band Minus the Face: In-Universe, they're this with Zack's departure.

Adults

Parents

    Martin and Brigette Murphy 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_20h24m45s431.png
Milo's father and mother. Martin is a city safety inspector and Brigette is an architect.
Voiced by: Diedrich Bader (Martin) & Pamela Adlon (Brigette)

  • Crazy-Prepared: It's necessary for members of the Murphy family.
  • Establishing Character Moment: To show that it's not just Milo who has bad luck, Martin's brakes on his bicycle don't work and he ends up crashing through some shrubs in his backyard and is sent flying into his car. He happily gets back up and greets Melissa and Zack like nothing has happened and then asked Milo to get his crutches for him.
  • Forgetful Jones: Brigette forgets that she has two children twice in "Wilder West".
  • Good Parents: Brigette reassures Milo he's going to be extraordinary no matter what career he has when Career Day gets him confused and dejected and it's clear both of them love their kids a lot.
  • Happily Married: Despite the luck Martin has, Brigette still loves her husband no matter what type of trouble he unintentionally causes.
  • Hereditary Curse: Just like his son, Martin also suffers through misfortunes.
  • Hereditary Hairstyle: His father, brother and son all have the same haircut as himself.
  • Hero of Another Story: As of Season 1, many questions about their history are unanswered, namely how they managed to fall in love despite Murphy's Law.
  • Mundane Utility: Martin actually uses his curse to make a living; as a safety inspector, it makes an excellent stress test for whatever facility he's assigned to investigate. A lifetime of having to be Crazy-Prepared likely helps with suggesting improvements, too.
  • Two First Names: "Murphy" can be used as a first name.

    Richard Chase 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_19h54m22s972.png
Melissa's father who's a firefighter.
Voiced by: Adrian Pasdar

  • Firemen Are Hot: Richard's body has a more athletic build compared with the other adult males.
  • Innocently Insensitive: Unlike most of the townspeople, he is uncomfortable with Milo and his condition and wondered if Murphy's Law has an "on and off switch". However this is the result of his concern of what Murphy's Law has been doing to his daughter and safety in general.

    Eileen and Marcus Underwood 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_20h29m33s048.png
Zack's mother and father. Eileen is a trauma surgeon at the local hospital.
Voiced by: Vanessa Williams (Eileen) & Phil La Marr (Marcus)

Jefferson County Middle School Staff

    Principal Elizabeth Milder 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_20h05m35s015.png
The principal of Jefferson County Middle School.
Voiced by: Mackenzie Phillips

  • Bait-and-Switch Comment: She does this with her "I know a kid" stories.
    Melissa: Don't worry, Principal Milder. I promise I'll return your key.
    Principal Milder: I hope you do. I know a kid, who didn't return what I lent him and do you know what happened to him?
    Melissa: No?
    Principal Milder: Neither do I. If you see him, though, tell him 'I want my key back'.
  • Cannot Tell a Joke: At the student award ceremony, she had to keep the audience entertained, while waiting for Milo to make it to the stage. She tried telling some jokes, some very cliche ones at that, and she botched every single one of them horribly.
    Principal Milder: So a horse goes to the doctor and says that his throat is feeling raspy. So the doctor says to him "Why the long face?" ... Oh, wait.
  • Casual Danger Dialogue: She's not one to "freak out" even when Murphy's Law destroys her entire office.
  • Deadpan Snarker: When Elliot's bike fell from a tree and smashed her car windshield, on his first day as hall monitor.
    Principal Milder: You realize you're fired right?
    Elliot: But I haven't even been hired yet.
    Principal Milder: Oh! Well then, you're not hired. [leaves] The money for my windshield is coming from your wallet.
  • The Leader: Of the school. In "Some Like It Yacht", she was established as the leader of the teacher tribe, after they became stranded on a deserted island.
  • Made of Iron: When Coach Mitchell tried to knock her down and take leadership of the teachers' tribe in "Some Like It Yacht", she doesn't even flinch.

    Ms. Murawski 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_20h41m33s544.png
The science teacher at Jefferson County Middle School.
Voiced by: Sarah Chalke

  • Annoying Laugh: Snorts when she laughs.
  • Companion Cube: Her desk. The school sign even notes in "The Substitute" that her desk will miss her.
  • Gag Nose: Has a big pointy nose. Considering her last name, and a well known stereotype, she could be Jewish.
  • Hammerspace Hair: She pulls an egg out of her hair in "Sunny Side Up".
  • Rescue Romance: Develops a short-lived one with Scott the Undergrounder after he saves her and her desk.

    Coach Nolan Mitchell 
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The coach of the Jefferson County Middle School football team.
  • Brutal Honesty: During what was supposed to be a pep rally, he flat out tells the students that they're going to lose to Middletown Middle School's football team due to the school purposely failing their best players six times and they're practically adults.
  • Two First Names: Either "Nolan" or "Mitchell" can be used as a first name.

    Mr. Kyle Drako 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_19h37m32s085.png
A teacher who may or may not be a vampire.
Voiced by: Michael Culross

  • Actually Not a Vampire: Unclear. Chad firmly believes that Mr. Drako really is a vampire, but Milo and the others are still looking into it.
  • Ambiguously Human: Despite him displaying behaviors of a vampire, dressing like a vampire, and even talking like a vampire, it's yet to be confirmed if he really is one.
  • Big Ol' Unibrow: A Type II.
  • Cloudcuckoolander: If he's not a vampire, then he's a regular human who sleeps in random boxes and closets, wears a cape-like "poncho," and tells his students not to "worry [their] pretty little necks." If he is a vampire, his affinity for his motorized scooter still demands explanation, as does the fact that the suspiciously-covered frames in his office don't hold mirrors but pictures of his ex-wife.
    Melissa: Why don't you just take them down?
    Drako: Then where would I hang my sheets?
  • Creepy Shadowed Undereyes: Subverted. He's weird but he's a Nice Guy.
  • Dark Is Not Evil / Friendly Neighborhood Vampire: If he's a vampire. He's a pretty laid-back and sociable guy, albeit a bit eccentric at times.
  • Daywalking Vampire: If he is a vampire, he wears an umbrella hat and a lot of sunscreen when he's needed for outdoor activities. That, or he has a skin condition. He was also briefly outside during "Worked Day".
  • Early-Bird Cameo: First shows up in "Worked Day" before we learn he's one of Milo's teachers.
  • Eerie Pale-Skinned Brunette: He doesn't stay under the sun without a parasol and thick clothing and it shows. It adds fuel to the vampire rumors but ignoring those, he's not off-putting at all.
  • Nice Guy: Volunteers at a thrift shop on weekends.
  • O.O.C. Is Serious Business: Zack and Melissa become instantly suspicious of what initially appears to be Mr. Drako in "Fungus Among Us" when he shows up outside without his protective umbrella-hat. This Mr. Drako quickly turns out to be a disguised Pistachion who puts Zack and Melissa to sleep.
  • Too Important to Walk: Most of the time, he's seen riding a self-balancing scooter.
  • Vampire Vords: He talks like this most of the time.

Bureau of Time Travel Employees

    Mr. Block 
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The head of the B.O.T.T., Bureau of Time Travel, and the boss of Dakota, Cavendish, Brick and Savannah.
Voiced by: Mark Hamill

  • Da Chief: The gruff, loud mouthed head of the Time Travelling Bureau.
  • Jerkass Has a Point: Mr. Block doesn't treat Cavendish and Dakota well, but he knows that Milo is no threat despite Murphy's Law and thinks Cavendish wasting time and important resources to go after a middle-schooler is completely ridiculous. That said, he's still Tempting Fate because he has no idea how much damage the curse of Murphy's Law can do.
  • Mean Boss: He seems to only treat Cavendish and Dakota badly, but while they're considered the "lowest of the low" in the agency, they do still work for him. And in "A Christmas Peril", it's shown that he feels he can get away with stealing food off of people's plates simply because he's the boss.
  • Pet the Dog: In "A Christmas Peril", it's shown Mr. Block will (literally) stop himself if he's gone too far in pulling the boss card. Just when he was about to punish Cavendish and Dakota for repeated disruption of the timestream, his older self comes in and softly tells him to let all iterations of them deal with their wound, because he knows things will get worse if they get punished.
  • Time Police: Head of the time travel agency.
  • Trademark Favorite Food: His fondness for pistachios before they went extinct is known by his subordinates, and the only reason Dakota and Cavendish protect pistachios is that he likes them. Little does he know that the survival of even one pistachio plant could lead to the rise of the Pistachions, yet they can't convince him of that.

    Brick 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_19h48m21s302.png
An elite time travelling agent, who is joined by Savannah.
Voiced by: Brett Dalton

  • The Ace: An extremely capable and high-ranking time travel agent, apparently having stopped several world wars.
  • Affectionate Parody: Just like Savannah above, he is an affectionate parody of his VA's character Agent Grant Ward from Agents of S.H.I.E.L.D.
  • Butt-Monkey: Since "Missing Milo" he and Savannah seem to have replaced Cavendish and Dakota in this role. In "Spy Little Sister", he was this big time.
  • Hero Antagonist: His job is to prevent major disasters, but he is very dismissive towards Cavendish and Dakota due to their low rank and tendency to bungle missions. He and Savannah also end up pursuing Melissa and Zack in "Missing Milo" because they mistakenly suspect them of being involved in stealing their time vehicle.
  • Jerkass: With his partner Savannah as they have no qualms in either mocking Cavendish and Dakota or getting them in trouble for not following orders, even attempting to kidnap Melissa and Zack for interrogation as Savannah claims that it's better that way.
  • No Sparks: Can't manage to drum up any of the expected Belligerent Sexual Tension with Savannah, though not for lack of trying.
  • Time Police: He is a time travel agent.
  • Tuxedo and Martini: As an agent, Brick wears a tuxedo.

    Savannah 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_19h45m56s880.png
An elite time travelling agent, forming a team with Brick.
Voiced by: Ming-Na Wen

  • The Ace: An extremely capable and high-ranking time travel agent, apparently having stopped several world wars.
  • Action Girl: Regularly takes down various antagonists as part of her job.
  • Affectionate Parody: She and Brick are basically sendups of their respective VA's characters from Agents of S.H.I.E.L.D..
  • Brutal Honesty: She bluntly tells Cavendish and Dakota that no one will ever get partnered with them because of their screw-ups and that they are low-level agents.
  • Butt-Monkey: Since "Missing Milo" she and Brick seem to have replaced Cavendish and Dakota in this role, even though they have the most thankless of jobs.
  • Hello, Nurse!: She's undoubtly attractive, and tends to evoke this kind of response, even leading Dakota to hit on her. Even Cavendish is under the assumption that she's Brick's eye candy.
  • Hero Antagonist: Her job is to prevent major disasters, but she is very dismissive towards Cavendish and Dakota due to their low rank and tendency to bungle missions. She and Brick also end up pursuing Melissa and Zack in "Missing Milo" because they mistakenly suspect them of being involved in stealing their time vehicle.
  • Jerkass: With her partner Brick as they have no qualms in either mocking Cavendish and Dakota or getting them in trouble for not following orders, even attempting to kidnap Melissa and Zack for interrogation as she claims that it's better that way.
  • Jerk with a Heart of Gold: She has become this as of "Spy Little Sister!".
  • No Sparks: With her partner Brick, despite their best efforts to evoke Belligerent Sexual Tension.
  • Time Police: She is a time travel agent.
  • Tuxedo and Martini: As an agent, Savannah wears a long, sexy dress.

Other

    Scott the Undergrounder 
https://static.tvtropes.org/pmwiki/pub/images/milo_murphys_law_scott.png
An eccentric pipefitter who, along with several other coworkers, got stuck underground for a month. After Milo and the gang leads them back to the surface, Scott chose to remain underground.
Voiced by: Scott Peterson

  • Beware the Silly Ones: Eccentric as he is, he was able to prevent Brick and Savannah from capturing Zack and Melissa by slowing them down with his traps.
  • Cloudcuckoolander: Compared to the other workers trapped underground, Scott began to affect a rather eccentric manner, often declaring that someone "shall be our leader" despite the fact that the Undergrounders had already voted for a leader.
  • Companion Cube: His 'girlfriend,' Mildred; a milk carton with a smiley face.
  • Crazy-Prepared: Yes, he may not exactly right in the head, but he has the foresight to prepare various traps in case he was ever in trouble at his own place. They help Zack and Melissa escape from a pursuing Savannah and Brick when they chased them through his tunnels.
  • He Cleans Up Nicely: To prepare him for a date with Ms. Muraski, the trio cleans him up to where he looks attractive enough for her.
  • I Choose to Stay: Scott chose to stay to Subterranis while his comrades returned to their normal lives.
  • Recurring Character: Scott made a number of cameos and also gets a major role in "Missing Milo".
  • Sanity Slippage: His eccentricities arose after he became stuck underground.
  • Trap Master: He has traps set up all over his underground lair.

    Orton Mahlson/Dr. Hankry Zone 
https://static.tvtropes.org/pmwiki/pub/images/vlcsnap_2017_03_26_20h03m47s382.png
Orton Mahlson is the creator of Doctor Zone, a sciencefiction TV franchise Milo and Sara are huge fans of. He's also the actor of the show's eponymous main character.
Voiced by: Jemaine Clement

  • Bad "Bad Acting": As part of the show's Stylistic Suck, this is to be expected.
  • Badass Longcoat: He wears a dark brown tailcoat.
  • Descended Creator: In-Universe, not only does he play the titular character of 'The Doctor Zone Files', he created the show.
  • Expy: Of the titular character of Doctor Who
  • Fake Brit: In-universe, Orton is a New Zealander who plays a British character.
  • The Future Is Shocking: Being from the 1965, he was amazed at what he saw in the 21st century and some products of the 22nd century. He used his observation as inspiration for his show.
    • Subverted when Orton was praising the architecture of Jefferson Middle School. Milo told him that it was built in the same era as him.
  • Living MacGuffin: The plot of the Season One arc centers around the Pistachions trying to rule the world through his show. Doofenshmirtz as Professor Time also saved the world from Pistachions by reading Orton's memoir.
  • Nice Hat: His top hat contains a satellite and a pair of goggles.
  • Ninja Pirate Zombie Robot: Dr. Zone seems to be a mashup of the Victorian Era, Ancient Rome, The Future, and a gift box. Dr. Zone is also implied to be a time traveler, an alien, and a cyborg.
  • Pungeon Master: Dr. Zone almost always try to use puns with the word "time".
  • Real Life Writes the Plot: The gift-shaped cast was improvised by a Pistachion who impersonated Orton during the filming of the pilot episode and needed to disguise the fact that his hand was an undisguised branch.
  • Rummage Sale Reject: He has mismatched footwear and a gift box as an arm to show that he has one foot in the future, one foot in the past, and one hand in the present.
  • Significant Anagram: Played with as "Orton Mahlson" is a phonetic anagram to writer Martin Olson.

    Colonel Niblet and Lieutenant Tenant 
A duo of government agents who seem to do some rather suspicious stuff in the background, such as spying neighborhoods with a camera drone, abducting cows and putting cybernetic brains in wildlife.
Voiced by: Dan Povenmire (Niblet) & Jeff "Swampy" Marsh (Tenant)

    Tobias Trollhammer 
A washed-up action movie actor who plays the protagonist of the Krillhunter movies. Milo is his biggest fan.
Voiced by: Peter Stormare

    Clyde Rickenbacker 
A kind and imaginative inventor, who unfortunately has no financial knowledge. He used to be business partners with Victor Verliezer, but the two fell out and the latter took his dearest invention, C.I.D.D.
Voiced by: Barry Bostwick

  • Affectionate Nickname: "0-0" note , by C.I.D.D.
  • Cool Old Guy: Despite his age, he is very up-to-date, forward-thinking, and tech-savvy.
  • Gadgeteer Genius: He was able to create a robot as amazing as C.I.D.D.
  • Shoutout: He is voiced by Barry Bowstick, who also voice acted for the recurring character, Clyde Flynn, (note the first name), who was Phineas' maternal grandfather from Dan and Swampy's previous series, Phineas and Ferb.

    Heinz Doofenshmirtz (AKA Professor Time) 
From Phineas and Ferb fame, Dr. Doofenshmirtz is an ex-evil scientist that is destined to invent time travel, and aided Milo and friends to defeat the Pistachions one last time. As of The Phineas and Ferb Effect, Doofenshmirtz becomes Milo's houseguest, and in turn a series regular in Season 2, following the collapse of Doofenshmirtz Evil Incorporated.
Voiced by: Dan Povenmire
For tropes about Doofenshmirtz in the show he came from, see Phineas and Ferb: Main Characters

  • Breakout Character: Doofenshmirtz was originally from Phineas and Ferb, and of all the Phineas and Ferb characters, got the most screentime since the crossover.
  • Ditzy Genius: Just like in Phineas and Ferb, Doofenshmirtz is great at inventing (and, in fact, is destined to invent something as revolutionary as time travel), but he definitely lacks the common sense to put his ingenuity to better use.
  • Hero with an F in Good: He was pretty bad at being evil, and he's equally as bad at being good.
  • Lazy Bum: Sara views him as this. In fact, he isn't very proactive at all inbetween Snow Way Out and Cake 'Splosion.
  • Well-Intentioned Extremist: His inators tend to cause more harm than good. Just like before he switched to the good side.
  • Why Did It Have to Be Snakes?: Doofenshmirtz apparently fears raccoons.

    The Other Mr. Block 
https://static.tvtropes.org/pmwiki/pub/images/image_22_4.png
Full name Bob Block, this is Mr. Block's ancestor, from the present day. He's the head of the Paranormal Investigation Group, aka P.I.G., and hires Dakota and Cavendish in Season 2 to the Purgers of Intergalactic Garbage division, which is also P.I.G.
Voiced by: Mark Hamill

  • Ambiguously Brown: He shares the blood of the clearly caucasian Mr. Block, but his dark skin makes him appear to be Pacific Islander, African-American, or Mullatto.
  • Benevolent Boss: The soft-spoken, positive leader of P.I.G., the Paranormal Investigation Group.
  • Brutal Honesty: He straight-up calls Cavendish and Dakota incompetent when informing them that they're going to basically be janitors for alien refuse and not investigators.
  • Foil: To his descendant. While the future Mr. Block is a grouchy Perpetual Frowner, has a gravelly voice and treats his employees poorly, this Mr. Block is even-tempered, speaks softly, smiles constantly, and is pleasant to his employees.
  • In the Blood: He's the ancestor of Mr. Block from the Time Traveling Bureau, and is also the leader of a clandestine government organization trying to keep the world safe.
  • Strong Family Resemblance: A little. If you look at the two Mr. Blocks, there are similarities in their faces and hair, but their general builds and personalities are totally different.

    Sergio McGuinness 
A guy who wasted his entire life, trying to break the world record for fastest snowmobile, "The Snowmobile 3", only to be immediately one-upped, seconds after finally achieving his goal.
  • Broken Bird: During his time working on the snowmobile, Sergio's father and grandfather died and he missed their funerals. His wife got sick of his obsession and left him, taking the kids as well, leading to his life being ruined. The only positive outcome of this tragedy was that he broke the world record. Unfortunately, mere seconds after achieving his goal, Milo, Zack, and Melissa blew by on a snowmobile that moved ten times as fast as The Snowmobile 3 did, without them even trying.
  • Butt-Monkey: His whole life is a joke and every time he's on screen, his work is getting destroyed and his life is getting ruined.
  • Meaningful Name: His last name is "McGuinness" and he's focused on breaking the world record.

    The Construction Worker and The Yes Man 
Two construction workers. One of them makes comments on something, while his friend agrees with everything he says.

    Trucker Ted 
A recurring minor character who transports goods around from one place to another. He's commonly finding himself in various incidents, leading him to complain to his agent on the phone.
Voiced by: Bob Bowen

  • A Day in the Limelight: In "Parks and Wreck", he broke the fourth wall to express his joy in being given so much screen time.
  • Alliterative Name: Trucker Ted.
  • Drives Like Crazy: Every time he's on screen, he's either getting into or has just gotten into a truck accident.
  • George Jetson Job Security: You'd think that after wrecking the truck after all these times, he'd get fired from his job as a delivery man.
  • Mr. Exposition: Explains what's going on, via hartman phone call, where he complains to his agent about what just happened.
  • Newhart Phonecall: Allways has these with his agent, who we never hear, see, or even learn the name of.
  • Running Gag: Him crashing a truck full of objects that fall out of the wrecked truck and fall into the scene, affecting what's going on, whether it be for good or bad.
  • Weirdness Magnet: Not only does he get into more accidents than usual, but he's also assigned to deliver a variety of very weird and obscure objects.

Non-Human

Animals

    Time Ape 
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Dr. Zone's sidekick and brother.
Voiced by: Sophie Winkleman

    Perry the Platypus 
From Phineas and Ferb fame, Perry the Platypus, AKA Agent P, is the pet platypus of Phineas and Ferb, and friend/former nemesis of Heinz Doofenshmirtz. in Milo Murphy's Law, he's often assigned to keep Doof in check while the former evil scientist tries to do good.
Voiced by: Dee Bradley Baker
For tropes about Perry in the show he came from, see Phineas and Ferb: Main Characters

  • Befriending the Enemy: After a 9-year-long summer of battling with Doofenshmirtz, Perry and his inator-inventing rival have buried the hatchet and become somewhat of a team of do-gooders.
  • Characterization Marches On: Perry went from being Doofenshmirtz' nemesis to his friend, ... to his nemesis again. ("Sick Day")
  • Old Hero, New Pals: In Milo Murphy's Law, Perry now has strong friendships with Milo, Zack, Melissa, Diogee, Cavendish, Dakota, Cavenpuss, a few Octaliens, and most notably, Doofenshmirtz.
  • Rejected Apology: After betraying Doofenshmirtz, Perry tried reaching to him, via postcard, but Doof rejected this as it's wasn't a physical call from a landline.

    Recurring Raccoon 
You've seen him before, you're gonna see him soon. He's Recurring Raccoon.
A raccoon who recurringly appears out of nowhere, only to steal an object, that's beneficial to the characters, trying to reach their goal.
  • Alliterative Name: Recurring Raccoon.
  • Aside Glance: Sometimes turns to the camera and winks, when his jingle sings his name.
  • Catchphrase Interruptus: In "Now I am a Murphy", his theme gets cut off as he gets captured.
    You've seen him before. You're gonna see him soon-
    (Recurring Raccoon gets eaten by a Cyborg Grizzly)
    ... Okay, maybe not.
  • Diabolus ex Machina: If Milo weasels his way out of every possible negative outcome of a situation, the always unforeseen Recurring Raccoon is guaranteed to show up anyway and stir up trouble.
  • Leitmotif: His Jingle.
  • Running Gag: At an extent, literally. His shtick is that he randomly appears out of nowhere, snatches away an object (often important to the characters) and then scampers away.
  • Wink "Ding!": Sometimes does this to the camera, after his jingle is over.

    Zippy, The World's Fastest Koala 
The fastest koala in the world. Zippy often runs about and causes trouble everywhere he goes.

The Octalians

    In General 
A team of cephalopodic aliens, interested in studying Milo's EHML, by abducting the subject and taking them to their home planet, Octalia.
  • Alien Abduction: They've done this to Milo twice.
  • Born Lucky: Or rather, not Born Unlucky. It's estimated that most of the Octalians don't have negative probability ions swarming around them, causing Orgaluth, who is naturally Born Unlucky, getting all of the negative probability ions attracted towards her and become a Walking Disaster Area, resulting into the birth of the Sphere of Calamity.
  • Good All Along: The Octalians are introduced in a rather ominous way with little to no information about what they want Milo for, aside for his negative probability ions. It sets them up as Season 2's Arc Villain, but in the end, they had no nefarious intentions and are actually quite polite. The only morally ambiguous thing they've done is kidnapping Milo within two attempts.
  • Octopoid Aliens: From Octalia, interested in Milo's negative probability ions and want to take to their home planet.
  • No Antagonist: The Octalians only abducted Milo because they need him to stop a continually-growing sphere of negative probability ions that could potentially destroy the entire planet.
  • Shapeshifting: Octalians have the ability to shapeshift, by absorbing the molecules of a subject, so that they can take their form. However, they need to hold their breath in order to take this form and they can only hold their position for as long as they can hold their breath.

    Alien Commander 
The leader of the Octalian crew that is sent to look for someone with negative probability ions.
Voiced by: Joanna Hausmann

  • Action Mom: We learn this action hero has a daughter named Orgaluth.
  • Chaotic Good: She is set on saving her planet from being obliterated and goes about achieving this by abducting Milo without his knowledge or consent.
  • Drill Sergeant Nasty: She is tough as nails and barks out orders to her minions.
  • Foreshadowing: That one odd moment in "Sick Day" when sympathetic music started playing as Milo hugged the Commander, shapeshifted into his mother? Turns out the Commander is a mother herself.
  • Long-Lost Relative: In "Sphere and Loathing in Outer Space", we learn that she had a daughter named Orgaluth, who they got rid of, because she emits an aura of chaos, known as "Orgaluth's Law".
  • No Name Given: Despite her being a major character with significant plot relevance and all of her lackeys being named, we still don't know what her name is.
    • Even her daughter has a name, (Orgaluth), but she, herself, doesn't.
  • The Smurfette Principle: The only female on the team.

    Loab and Khone 
Two field agents from the Alien Commander's crew, who try (and fail) to carry out their leader's plans.
Voiced by: John Ross Bowie (Loab) & Cedric Yarborough (Khone)

  • Dirty Coward: Khone was this in "Milo in Space", abandoning his team when things went wrong.
  • Extreme Doormat: The alien commander walks all over them.
  • Harmless Villain: Loab and Khone are completely incompetent as villains. They couldn't even infiltrate Milo's house, without getting tossed around like a frisbee by Diogee.
  • Those Two Guys: A doltish, dainty duo, with the brains a discarded burnt potato chip.

    Orgaluth (SPOILERS!) 
The daughter of the Alien Commander. She has Orgaluth's Law, the Octalian equivalent to Murphy's Law.
Voiced by: Odessa Adlon

  • Born Unlucky: Born with genes that attract negative probability ions, like the Murphys. This phenomenon is never seen before in Octalian culture, which is why they call it "Orgaluth's Law".
  • Long-Lost Relative: It was actually believed that her bubble of negative probability ions consumed her and has grown into an entity of its own.
  • Walking Disaster Area: Like Milo, Orgaluth has genes that attract negative probability ions, which would normally give her a similar condition to his. However, as Octalians aren't naturally surrounded by probability ions at all, Orgaluth gets surrounded by all the negative ones, causing Orgaluth's Law to be much more severe than Murphy's Law ever could.
  • Walking Spoiler: Pretty much everything about her is revealed as late as "Sphere and Loathing in Outer Space", the finale of Season 2.

Other

    Lardee Boy 
Beloved mascot of Lard World, Milo's favorite amusement park.
  • Bad Job, Worse Uniform: You gotta imagine that whoever's wearing that stupid costume, must be pretty miserable with themselves.
  • Big Fun: Lardee Boy is supposed to characterize someone like this.
  • Gag Nose: His upturned nose shows off his pig-like nostrils, giving off the impression that someone like this really "pigs out" on the lardy food at Lard World.
  • Hat of Flight: Wears a classic propeller hat but it's never used for flying.
  • Indy Escape: Lardee Boy played the role of the boulder in "Backward to School Night".
  • Mascot: The mascot of Lard World.
  • Youthful Freckles: Lardee Boy has freckles on his cheeks and curly red hair.

    C.I.D.D. 
Short for Cybernetic Individual Domestic Droid, C.I.D.D. is a collaborative creation of Clyde Rickenbacker and Victor Verliezer. Despite Verliezer taking all the credit, C.I.D.D. has desperately looked for "zero-zero", before being reunited with his true creator, Clyde.
  • Affectionate Nickname: C.I.D.D. addresses Clyde Rickenbacker as "0-0" note  because he is his creator.
  • Cute Machines: He sure is a cutie pie, alright.
  • Dark Humor: C.I.D.D. made a quick joke about robots taking over the world just to get a quick laugh out of seeing Milo, Zack, and Melissa's faces.
  • Fun with Acronyms: "C.I.D.D." stands for "Cybernetic Individual Domestic Droid".
  • Just a Machine: C.I.D.D. actually has the ability to feel both love and pain. He recognizes Clyde Rickenbacker as his creator and rightful owner and felt hurt when Victor physically abused him.
  • Robot Buddy: To Clyde.

    Cavenpuss 
A creation made with Doofenshmirtz's Clone-Inator, from Cavendish's DNA. Being Cavendish's head on a platypus body, Cavenpus is often referred to as an abomination.
Voiced by: Jeff "Swampy" Marsh

  • Aborted Arc: In "Sphere and Loathing in Outer Space", there was originally going to be a scene where Cavenpus' egg hatched into a baby version of himself, but this was cut from the final product, due to time constraints.
    • It is possible, however, that they may reuse this concept in a Season 3 episode, so they can carry out the story.
  • The Comically Serious: It's hard for a distinguished gentleman, such as Cavendish, to be taken seriously when he's attached to the teeny tiny body of a platypus.
  • Half-Human Hybrid: A combination between a human and a platypus.
  • Mister Seahorse: Despite being male, he still laid an egg.
  • My Friends... and Zoidberg: The team completely left him out of their adventure in "Sphere and Loathing in Outer Space".
  • Spell My Name with an "S": Despite "Cavenpus" with one "S" being semantically correct, due to the root words being combined. he is listed as "Cavenpuss" with two "S"s in the credits.

Antagonists

The Pistachions

    In General 
https://static.tvtropes.org/pmwiki/pub/images/mm_act2_53_2.jpg
The Pistachions are a species of mutated pistachio trees bent on world domination. They are the first Arc Villain and the primary antagonists in Missing Milo, Fungus Among Us and the crossover with Phineas and Ferb, entitled The Phineas and Ferb Effect.
  • Plant Person: They're anthropomorphic pistachio trees.
  • Ret Gone: With the sole exception of Derek, the entire first generation of Pistachions were erased from existence when their father was killed before evolving.
  • The Family That Slays Together: Their king is also their dad.
  • Weaksauce Weakness: They can be killed by uric acid (which is found in urine). Diogee has defeated King Pistachion this way, by peeing on his infantile form.
    • Another weakness was discovered in The Phineas and Ferb Effect: Wyatt Burp orange soda. The brand was discontinued when it was discovered that the soda was harmful to the environment, and since the Pistachions are Plant People...

    King Pistachion 
https://static.tvtropes.org/pmwiki/pub/images/mm_act2_39.jpg
I claim this land for Pistachions! We will now rebuild it in our image! You know, except for South Beach; that place is perfect the way it is.
An evil mutant pistachio tree from the future, created when Balthazar and Vinnie managed to save a pistachio tree that unbeknownst to them, had been fertilized with a mutant blob created from pistachio tree fertilizer.
Voiced by: Rhys Darby

  • Affably Evil: He's introduced taking a commemorative family photo with his children after they've finished ransacking the future and capturing all of the Time Bureau agents.
  • Authority Equals Asskicking: His minions are dispatched pretty quickly once Milo gets his backpack back, but King Pistachion himself is a much tougher foe, only defeated when his defenseless past self is destroyed.
  • Bad Future: After growing to his full size he takes over the world in Balthazar and Vinnie's original time period.
  • Big Bad: The main antagonist in "Missing Milo".
  • Even Evil Has Loved Ones: All of his minions are actually his own children. He shows off his family album which contains memories such as one of his children eating a congressman, a city being ransacked, and one of his children's birthday parties.
  • A Dog Named "Dog" / King Mook: King Pistachion is named exactly like his species.
  • Implacable Man: After he notices Milo and the surviving time travelers he pursues them nonstop, chasing them across the city, and even through time without letting up. He's completely unfazed after getting hit by a car, and even after Milo finally manages to harm him by siccing woodpeckers on him he still doesn't slow down. It takes destroying his younger defenseless self in the present to finally get rid of him.
  • Large and in Charge: Much larger than any of his minions. Justified, considering that they are his children.
  • Laughably Evil: He's a legitimate threat, but also has humorous mannerisms that provide much comic relief.
  • Predecessor Villain: Despite his defeat, he still casts a large shadow over the episode Fungus Among Us and the upcoming crossover as his son Derek picks up where he left off.
  • Ret Gone: With his younger self destroyed, he and his children never existed... well, except for one...

    Derek 
https://static.tvtropes.org/pmwiki/pub/images/derekpnfeprofile.png
Plants forever!
A Pistachion that got stuck in the timestream after Dakota, Cavendish and Milo shook him off. Because of this, he still exists even after King Pistachion and his children are defeated, and ends up in 1955, where he plans another takeover by replacing humans with Pistachions. His ultimate plan is to turn all humans into Pistachions after enough have been captured.
Voiced by: Jeff Bennett

  • Bad "Bad Acting": Part of Derek's plan involved replacing Orton and using the money the Dr. Zone empire to take over the world. However while Orton was by no means a good actor himself, he was a good enough writer to gain a cult following. While Derek was 'neither' a writer or an actor. So the show ended up being so bad it was canceled after only two episodes, causing the mega-hit Dr. Zone franchise to be Ret Gone from the present, and delaying Derek's plan by decades.
  • Evil Gloating: When he outnumbers Milo, Dakota, Cavendish and Orton, Derek monologues about his evil plan, which is apparently long enough for the gang to escape. When he berates his fellow Pistachions why they didn't warn him earlier, it's because they didn't want to interrupt him.
  • Capture and Replicate: Derek's plan (or at least Stage One of said plan) is to replace the humans with Pistachions and lock them up, until they outnumber the humans. Planning this took him about ten years, and he appears to be rapidly succeeding fifty years after that. He himself had replaced an intern, as well as Orton Mahlson shortly before the filming of the Dr. Zone pilot episode.
  • Locked into Strangeness: Wearing the Orton mask for fifty years has caused his head to permanently take on its shape.
  • Near-Villain Victory: In The Phineas and Ferb Effect, he managed to fully convert Milo, Phineas and Ferb's friends and family into evil Pistachions, and have them corner them, alongside Dakota, Cavendish, Orton and Doofenshmirtz. If it weren't for future Doofenshmirtz, aka Professor Time, Derek would've won.
  • Paradox Person: Derek has become one thanks to being stuck in the timestream, otherwise he would have ceased to exist along with his father and siblings.
  • Villainous Legacy: He's flung through time and survives King Pistachion's defeat, then he launches his own plot to overthrow the human race. Cavendish and Dakota are well aware of the danger he poses and attempt to prevent his return.

Minor Antagonists

    Victor Verliezer 
The CEO of technology company vTech, and Clyde Rickenbacker's old business partner. He has a high opinion on himself and has taken credit for the creation of C.I.D.D.
Voiced by: Joel Mc Hale

    Cyborg Grizzly 
A grizzly bear captured by the government, who have put a cybernetic brain in him, with the sole task given to kill mankind.

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