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Looney Tunes Trope Examples
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  • MacGuffin Blindness: A classic gag. Say Elmer Fudd is hunting Bugs Bunny. Elmer will often ask Bugs if he's seen a rabbit. Bugs will describe himself to a T, to which Elmer will affirm him, but Bugs will then say "Nope. Haven't seen one" and Fudd will buy it.
  • Make It Look Like an Accident: In "From Hare To Heir", Yosemite Sam plays the nephew of a king who is desperate for money. Bugs comes by his castle offering him 1 million pounds if he can prove himself a man of mild temper (with penalties deducted from the sum for every time Sam loses his cool). After failing to control his fits of rage, Sam decides the easiest solution is to simply off Bugs and make it look like an accident. Needless to say, he fails in rather spectacular fashion.
  • Malaproper: In "Thumb Fun", Daffy says he's going to get Porky slapped with a "habeas corpuscle".
    • In "Daffy Doodles", he tells Porky to wait till J. Edgar Who's-Its hears about this.
    • Bugs Bunny in "Roman Legion-Hare" (which for some unknown reason has been left out of Cartoon Network's screenings of the cartoon):
    Bugs: Like the Romans say, "E Pluribus Uranium!"
    • In "Porky's Bear Facts":
    Porky: You buttered your bread, now sleep in it.
  • Maurice Chevalier Accent: French characters will always talk with this accent, like the villain Blacque Jacques Shellacque in Wet Hare.
  • Mean Boss: The Warden from "Big House Bunny" and Merlin the Magic Mouse, the latter of whom actually got physical with his right-hand man, Second Banana in "Shamrock and Roll", which is something he NEVER does.
  • Mechanical Horse: Or something along those lines is used briefly in "One More Time".
  • Medium Blending: "You Ought to Be in Pictures", which superimposed animated Porky and Daffy over live action footage shot on the WB lot.
    • Four shorts cut to brief live action footage: "Rabbit Every Monday" (the party happening inside Yosemite Sam's stove), "Rabbit Hood" (Errol Flynn's cameo using footage from The Adventures of Robin Hood), "Daffy's Inn Trouble" (the stage show taking place in Porky's inn), and the ending to "The Mouse That Jack Built" (the real Jack Benny waking up from a dream that he was a mouse).
    • Advertisement:
    • What's Cookin, Doc? extensively uses live action footage, though they never mix.
  • Merchandise-Driven: Some of the theatrical shorts made in the 90s (like "Carrotblanca" and "Superior Duck") contain tons of cameo appearances by characters like Foghorn, Taz, Tweety, and Marvin. This was apparently done so Warner Bros. could sell more limited edition cels of those characters at their Studio Stores.
  • Metronomic Man Mashing: The adorable little Chicken Hawk does this to Foghorn Leghorn Once an Episode.
  • Mickey Mousing: So much so that there are musical accents to something as simple as characters blinking. Arguably, though, this is part of the charm of the music.
  • Mime and Music-Only Cartoon: Many of their cartoons are dialogue free, or fairly close to it. Some examples:
    • Any Road Runner short that isn't "Zip Zip Hooray" or "Road Runner a Go-Go" (the only vocal is RR's "beep beep!")
    • Cat Feud (1958)
    • Prest-o Change-o (1939), Curious Puppy (1939), Dog Gone Modern (1939), Snow Time For Comedy (1940), Stage Fright (1940) (all starring two dogs. Only vocals in "Dog Gone Modern" are the house welcoming the two dogs.)
    • Advertisement:
    • Double Chaser (1942)
    • Good Night Elmer (1940)
    • High Note (1960)
    • Holiday For Shoestrings (1946)
    • Much Ado About Nutting (1953)
    • Peck Up Your Troubles (1945)
    • The Bird Came C.O.D. (1942) (only vocal is "Mm-mm")
    • Baton Bunny (1959)
    • Rhapsody in Rivets (1941)
    • Joe Glow the Firefly (1941)- only vocal is "GOOD NIGHT!" at the end.
    • Rabbit Stew and Rabbits, Too! (1969)
    • No Barking (1954) - save for Tweety's lines at the very end.
    • Mouse Warming (1952) (for the most part)
    • Go Fly a Kit (1957) - minus a few lines of dialogue from the two onlookers
  • Mind Screw: Some syndicated versions of "The Up-Standing Sitter" inexplicably replaced the 1948 Looney Tunes outro with the "Bugs In Drum" outro from "Hare Tonic" and "Baseball Bugs"... with the 1937 Merrie Melodies closing music rather than the 1941-1946 Looney Tunes closing music (also, Bugs' "And That's The End!" line is muted out). What the hell?
  • Mining for Cookies:
    • Subverted in "Lumber Jack-Rabbit", Bugs Bunny thinks he found a "carrot mine" and proceeds to dig through. Actually, he stumbled upon Paul Bunyan's garden, and those were just normal-sized carrots to a giant.
    • At the end of the "Oily Hare" short, a Texas oilman dynamites Bugs Bunny's rabbit hole in hopes of an oil gusher. But instead it ends up gushing carrots, obviously to Bugs' delight.
  • Mirror Routine: In "The Prize Pest", Daffy and Porky (dressed in a frightening costume) briefly imitate each other's actions in a doorway.
    Daffy: Suffering catfish! I didn't realize I was that hideous! (realizes) I'm not! (does a wild take, screams, and runs away)
    • In "Attack of the Drones", Daffy does one with a replica robot. At the end of it, Daffy gets blasted anyway.
  • Misplaced Wildlife: The Chinese roadrunner in "War and Pieces," Playboy the Penguin on "Frigid Hare"
  • Missing Episode: While there aren't any shorts missing, many of the original prints containing their original title cards are lost. There's also an ending scene from The Stupid Cupid that's currently lost.
    • While a lot of the original title cards were actually recovered through scans of alternate prints, one of the biggest discoveries in the field happened when a user of the Toonzone forums (now known as the Anime Superhero forums lucked upon an auction of about a dozen or so late 1930s Merrie Melodies title cards, which were recovered by none other than Tex Avery himself after they were cut from the original negatives to make way for the Blue Ribbon titles. Naturally, they were handed back to Warner Bros. and subsequently reintegrated into the cartoons themselves by making brand new prints for future licencing.
  • Mister Muffykins: Petunia's dog in "Porky's Romance". The mean-spirited little beasty annoys Porky so much that he ends the short by kicking it through the closing iris.
  • Mix-and-Match Critter: The chicken/turtle hybrid from "The Good Egg".
  • Mocky Mouse: Foxy was so blatantly a knockoff of Mickey Mouse that a complaint from Walt Disney himself was what ended his run of animated shorts. He was then replaced with Piggy, who also had a design flagrantly copying that of Mickey Mouse and only starred in two shorts before also being discontinued.
  • Mood-Swinger: A frequent gag.
    • In "Daffy Duck Hunt", Daffy pretends to be shot and wails "I'm-a goin', Iiiiii'm a goin'..." only to turn chipper: "Goodbye now!" In the same short, he emerges from the freezer dressed in a scarf:
    Daffy: What a trip. What a trip! Blizzard all the way. Snow twenty feet deep, but we had to get the serum through. It was mush, mush, mush all night. (grabs Barnyard Dawg and pushes him around the kitchen) Come on! Mush! Mush! Mush! Mush! Mush! (slams Dawg into the door) Suddenly the glacier cracks! There's a roar! Tons of ice! No escape! AAAGGGGHHH!!!!.... How's things been with you?
    • "Knighty Knight Bugs": When Bugs is informed he must retrieve the singing sword or be executed, he goes from laughing incredulously to crying.
    • In "Wet Hare", when Bugs's waterfall suddenly runs dry:
    Bugs: Uh-oh, I know, every year the same thing: those pesky little beavers are building a dam. I'll just go up and- (scared) hey, wait a minute: suppose it ain't the beavers; what if there's just no more water? No more showers! My carrots will shrivel! I'll die of thirst! Water! I'm thirsty already! (coughs) Water! Water! (back to nonchalant) Nah, it's gotta be them pesky beavers.
  • Mood Whiplash: Lampshaded in What's Opera, Doc?:
    Bugs Bunny: Well, what did you expect from an opera? A happy ending?
    • "The Looney, Looney Looney Bugs Bunny Movie" certainly counts- the light-hearted "Hare Trimmed" segment abruptly turns dark when a safe drops on Yosemite Sam, sending him to Hell. Note 
  • Moody Mount: Yosemite Sam's camel in "Sahara Hare" and his dragon in "Knighty Knight Bugs".
    Sam: "Whoa, dragon, WHOA!!"
  • Motifs: Oddly, two shorts from late 1962 (back to back, no less!) featured a caricature of Charles Laughton - those being "Good Noose" and "Shishkabugs".
  • Motion Blur: Speedy, Road Runner, anyone who needed to leave/arrive in a hurry.
    • In a host segment of The Bugs Bunny Show, Bugs demonstrates a cartoon "zip" out of and into a scene (complete with vibration to a stop upon entering), the zip-out in regular speed and in slow motion.
  • Motor Mouth: Sniffles the Mouse, at least in his later shorts.
    • Batty in the Sniffles cartoon "The Brave Little Bat". Afterwards, this quality (and Batty's voice artist) were transferred to Sniffles.
    • Foghorn Leghorn is a Motor Syrinx.
    • Long (and deservedly) forgotten Little Blabbermouse (cartoon of the same name and "Shop, Look, And Listen").
    • Shorty from "Rabbit's Kin". His voice is actually Mel Blanc's normal speaking voice, sped up to a high pitch and really fast speed.
  • The Movie: Quite a few, actually:
    • Bugs Bunny Superstar (1975), a documentary narrated by Orson Welles and featuring nine '40s cartoons in their entirety along with interviews of Freleng, Avery, and (especially) Clampett.
    • The Bugs Bunny/Road Runner Movie (aka 'The Great American Chase) (1979), the first of several Compilation Movies combining footage from vintage shorts with newly-animated bridging material. This one, directed by Chuck Jones and featuring only his cartoons, is "hosted" by Bugs Bunny from his mansion as he expounds on the history of "the chase" in animation.
    • The Looney Looney Looney Bugs Bunny Movie (1981), directed by Friz Freleng and only featuring his work. It was broken into three separate stories (one was a remake of "Devil's Feud Cake", one was a crime drama parody, and the final was an awards ceremony), and was the first compilation to build a (more-or-less) coherent storyline by weaving old and new material together.
    • Bugs Bunny's Third Movie: 1001 Rabbit Tales (1982), directed by Freleng and mostly made of his work, but also featuring material from some Jones shorts. Unlike the previous entry, it consisted of one long story: Daffy and Bugs competing to be the best book salesman but constantly getting sidetracked on the way to their selling locations, with Bugs ending up forced to read stories to Yosimite Sam's bratty son. It was the first of the compilation films to feature Robert McKimson's work (a brief clip of "Aqua Duck" is seen towards the end).
    • Daffy Duck's Fantastic Island (1983): The fan-favorite character combination of Daffy and Speedy also got a movie, built around a parody of Fantasy Island.
    • Daffy Duck's Quackbusters (1988), directed by Greg Ford and Terry Lennon, the last of the compilation movies and generally regarded as the best. It had the strongest plot (which was about Daffy opening a ghost-catching/exorcism company with Bugs and Porky) and the animators took care to imitate the old animators so the transition from bridging sequences to the classic cartoons was smoother. It's also the only Looney Tunes film to exclusively use Carl Stalling and Milt Franklyn music for the bridging sequences. The rest used new music from a variety of composers.
    • Space Jam (1996): The first fully original Looney Tunes film, combining animation and live action. See its entry for more info.
    • Looney Tunes: Back in Action (2003): Again, see its entry for more info. Of note, a planned series of new theatrical shorts being developed around this time was cancelled due to this film's lackluster box office performance.
    • Space Jam: A New Legacy (2021) is a sequel to the 1996 original.
  • Moving Buildings: The episode "Design For Leaving" has Daffy Duck outfit Elmer Fudd's home with modern gadgets. One of these is an elevator that lowers the second story... which crushes everything in the first story. Also, the Big Red Button that Elmer is warned not to push lifts the entire house hundreds of feet up in the air, in case of tidal waves. And, Daffy has yet to install the little blue button to bring it back down.
  • Multiple Demographic Appeal: Few series have an absolute all-ages appeal like the Tunes have. To that note, the series was originally meant to entertain moviegoers of all ages (hence all the rowdy humor that flies over the children's heads) but the stereotype that cartoons are kiddie fare made them a popular staple of family entertainment in general. Warner Bros. has been working on releasing new collections every once in a while that feature cartoons that, among others, include those that feature outdated stereotypes and World War 2 references that cannot be understood by anyone not at least 16 years old.
  • Mundane Wish: The genie in "A-Lad in His Lamp" tries to prevent Bugs from making one of these. But Bugs gets so irritated with his constant interruptions of his wishes that he tells the genie to cut it out. Ironically, Bugs ends up wishing for a carrot, which is pretty mundane.
  • Murder, Inc.: Coal Black and de Sebben Dwarfs has a scene of the Queen calling "Murder Inc." to "black out So White." Murder Inc.'s rates for killing people are: $1.00 for killing anyone, 50 cents (half-price) for killing midgets, and, since the cartoon premiered around the time that America was involved in World War II, free for killing Japs.
    • The rat-faced Mexican villain from 1938's "My Little Buckaroo" will put anybody on the spot for $2.75. Mothers-in-law: $2.50.
  • Musical Episode: Swooner Crooner, Katnip Kollege, Rabbit of Seville, What's Opera, Doc?, and The Three Little Bops.
  • Mustache Vandalism: Many, many times. One example:
    • "Daffy Doodles" has Porky Pig as a policeman and Daffy Duck as a mustache vandal. When Daffy finally gets arrested and imprisoned at the end of the cartoon, Daffy tearfully repents and promises he'll never draw another mustache... he'll draw beards instead.
  • My Card: Wile E. Coyote's "Super Genius" card
    • Owl Jolson's, too, in "I Love to Singa".
    • The hotel manager in "Porky Pig's Feat" hands Daffy his card. Daffy punches it into paper dolls.
    Daffy: You've had your coffee ration for this week, Robespierre!"
  • My God, What Have I Done??: Elmer Fudd's reaction whenever he thinks he's finally killed Bugs. No matter how hard he's been trying throughout the episode to shoot Bugs he always breaks down in tears when he thinks he's finally done it, calling himself a murderer. Which calls into question why he's a hunter in the first place.
    • The dog in Hare Ribbin' (1944) goes through similar contrition after taking a bite out of the rigged Rabbit Sandwich. When he wails "I wish I were dead!", Bugs hands him a gun and he blows his brains out, only to rise, stop the iris out and say "This shouldn't happen to a dog!" (Clampett's director's cut of the cartoon has Bugs shoving the gun in the dog's mouth and pulling the trigger.)
    • Another example done by Elmer in the end of What's Opera, Doc?.
  • Mythology Gag: The name of the high-rise building in which Porky lives in Porky's Pooch (1941): Termite Terrace. (Of note, all the backgrounds in the cartoon are live-action photographs.)
  • Name Drop: This exchange from the Bugs Bunny cartoon French Rarebit (1951):
    Bugs: Of course if you really want something good, you can't beat a good old Louisiana back bay bayou bunny bordelaise...à la Antoine.
    Chef Francoise: À la Antoine?! You mean ze Antoine of New Orleans??
    Bugs: I don't mean Antoine o' Flatbush!
    • Antoine's actually exists in New Orleans. It's at 713 St. Louis St. and has been in business since 1840.
  • Neck Lift: Bruno the bear does it to Bugs Bunny in "Big Top Bunny". So does Gossamer (aka "Rudolph") in Hair-Raising Hare.
  • Needlework Is for Old People: Granny knits a lot, which leads to her either being too distracted by her knitting to notice Sylvester's attempts to catch Tweety or noticing and hitting him on the head with her needle.
  • Negative Continuity: Completely. In many series, characters meet each other for the first time in every cartoon, and any "facts" given about a character in one cartoon (like Elmer being a vegetarian in "Rabbit Fire") are for that cartoon only and aren't intended to carry over into subsequent installments.
  • Never Wake Up a Sleepwalker: One short involved a Fox disguising itself as a Guard Dog using this trope to smuggle chickens out, counting on the real Guard Dog's fear of causing him to his advantage.
    • Another, "The Unbearable Bear" featuring Sniffles the Mouse, involves a policeman chasing a burglar in his own home, but both parties trying to stay quiet because the policeman's wife is sleepwalking. Though it's more because they're both afraid of what she'll do to them if she wakes up.
  • New Job as the Plot Demands:
    • Porky frequently switches jobs, as does Daffy.
    • Also, this is partially Yosemite Sam's whole schtick. While he started out as a Western outlaw, he later became whatever antagonist the short needed (but always kept his tiny bandit mask).
      • Pirate - Buccaneer Bunny, Mutiny on the Bunny, Captain Hareblower
      • Confederate soldier - Southern Fried Rabbit
      • Prison guard - Big House Bunny
      • Enemy knight - Knighty Knight Bugs
      • Alien invader - Lighter Than Hare
      • Viking - Prince Violent
      • Bedouin - Sahara Hare
      • Roman Centurion - Roman Legion-Hare
      • Claim jumper - 14 Carrot Rabbit
      • Hessian mercenary - Bunker Hill Bunny
      • Rival mountain climber - Pikers Peak
      • Castaway - Rabbitson Crusoe
      • Political campaigner - Ballot Box Bunny
      • Sultan - Hare-abian Nights
      • Indian leader - Horse Hare
      • Duke - From Hare To Heir
      • King's cook - Shishkabugs
      • WWI German Pilot - Dumb Patrol
  • No Celebrities Were Harmed: Some Real Life Big Bads were humiliated — particularly around World War II, when all of their cartoons had the characters fighting against Adolf Hitler, Joseph Goebbels and his Nazi regime or Japanese soldiers, like in Tokio Jokio and Bugs Bunny Nips the Nips. In a more friendly fashion, Hollywood celebrities such as Humphrey Bogart, Frank Sinatra, and Al Jolson were often lightly mocked.
    • Prior to Abbott and Costello being caricatured as cats (later mice) as "Babbitt & Catstello," Laurel and Hardy were caricatured as crows in pursuit of a grasshopper in A Hop, Skip And A Chump.
    • Bing Crosby tried to stop release of "Bingo Crosbyana" (1936, Freleng) because it depicted him as a vainglorious cowardly fly.
    • Friz Freleng is caricatured as the astronomer who loses his mind after seeing what he saw in his telescope in The Hasty Hare.
    • The Gremlins in Bob Clampett's Russian Rhapsody are caricatures of Warner cartoon staffers.
    • The tour guide character in "Little Blabbermouse" and "Shop Look and Listen" is a caricature of W. C. Fields.
    • The two castaways in "Waikiki Wabbit" (1943) were caricatures of animator Ken Harris and storyman Michael Maltese. The two even furnished the voices to their cartoon counterparts.
    • Jackie Gleason and Art Carney, as their The Honeymooners characters Ralph Cramden and Ed Norton, were caricatured as hobos in Half Fare Hare. In fact, they Honeymooners cast were caricatured as mice in Bob McKimson's three Honeymousers cartoons ("The Honeymousers," "Cheese It—The Cat" and "Mice Follies").
    • "People Are Bunny" has a caricature of Art Linkletter, then the host of the NBC game show People Are Funny and CBS's Art Linkletter's House Party. Here he's called Art Lamplighter.
    • "Person to Bunny" had Edward R. Burrows, a parody of famous journalist Edward R. Murrow.
  • No Ending: Quite common - a lot of the shorts were just abruptly cut in the middle of the action.
    • In the case of "The Heckling Hare" it was Executive Meddling.
    • In Hare-Um Scare-Um (1939), hunter John Sourpuss tells proto-Bugs Bunny that "I can whip you and your whole family!" A bunch of bunnies arrive to take him up on the challenge—then the film cuts off. In the original ending, the looney rabbits beat Sourpuss up on-camera, eventually driving him looney himself. Though no hard evidence has been found, it's often speculated that the scene was deleted for being too similar to the ending of Daffy Duck And Egghead one year prior. The footage has been restored to the cartoon for Looney Tunes Platinum Collection: Volume 2.
    • "Ride Him, Bosko!" is probably the standout example; the animators just up and leave without showing if Bosko rescues Honey or not.
  • No Fourth Wall: Every single cartoon breaks the fourth wall at last once. Duck Amuck is one of the most famous and insane examples ever made.
  • No Guy Wants to Be Chased: Is used quite often whenever a female Abhorrent Admirer goes after one of the male characters. Was also used in three Pepé Le Pew cartoons (1949's "For Scent-imental Reasons," 1952's "Little Beau Pepé ," and 1959's "Really Scent"), proving to modern audiences that, yeah, Pepé may be seen as a "rapist," but he's not a Karma Houdini (in those instances at least).
  • No More for Me: In "Who's Kitten Who?", Hippety Hopper hops by a man on the sidewalk. The man immediately drops a bottle of alcohol from his pocket and nervously walks away.
    • When a shrunk-to-the-size-of-a-mouse Gossamer in "Water, Water Every Hare" enters a mousehole, kicks the mouse out and puts up a sign that says "I quit!," the mouse drops a bottle of booze and says "I quit, too!"
    • Lampshaded by Daffy in "Rabbit Seasoning" after he pokes out of the hole he and Bugs are hiding in and Elmer blasts him:
    Bugs: You go up and act as a decoy and lure him away.
    Daffy: (dazed) No more for me, thankth! I'm drivin'!
    Bugs: Ah well, like they say, never send a duck to do a rabbit's job.
    • In Hobo Bobo, a baby elephant named Bobo wants to go to America, but can't sneak onto the boat. A myna birds suggests he paint himself pink, as no one will admit to seeing a pink elephant. Sure enough, Bobo is persistently ignored, complete with drink pouring, which becomes a problem when he tries to get help in joining the circus.
  • Non-Indicative Title: "The Astroduck" suggests a cartoon set in outer space, and in fact the title card shows a house floating through space. In reality, the whole cartoon is set on Earth as usual; the title only comes from the last gag when Daffy blows his summer home into space (while still inside it) in an attempt to get rid of Speedy.
    Speedy: Well whaddya know! We got a new astro-Duck!
    • "Hare Brush" has nothing to do with painting or art as the title would suggest; instead it's a cartoon about Elmer Fudd pretending to be a rabbit (and vice versa with Bugs).
    • "Hare Force" has nothing to do with the air force or the military in general; it's your basic "see which animal can stay in the house" cartoon.
  • No OSHA Compliance: Ralph is a wolf who's job is to eat sheep. Sam is a guard dog, whose job is to prevent Ralph from eating sheep. They both use the same punch clock, but the activities usually involve Ralph being injured at the end of the shift.
  • Non-Mammal Mammaries: Hatta Mari in "Plane Daffy"
  • Non Sequitur, *Thud*: Lots of them, some of which are the funniest and most memorable lines in the shorts. Daffy seems to be the most common victim.
    Daffy: And the lights went out, all over the world! ("Stupor Duck")
    Daffy: Starkle starkle, little twink, up above the skating rink! ("Swing Ding Amigo")
    Daffy: No more for me, thanks! I'm drivin'! (Rabbit Fire)
    • Visual non-sequiturs: The penguin trio of "The Penguin Parade" (1938) stop their song midway to make grotesque faces at us; Bugs making a fruit salad on Elmer's head in Rabbit of Seville.
  • No Sympathy: In "Greedy for Tweety":
    Nurse Granny: And how's the doggie's limb this morning? (Granny pats Hector's leg, who emits a pained groan) Oh, still tender, eh? Well, maybe that'll teach you to stop chasing the pussycat. (to Sylvester) And how's the... pussyfoot today? (pats Sylvester's leg, who also groans) Oh, still sensitive? Well, maybe now you'll leave that little birdie alone. I hope this teaches both of you a lesson.
  • Not Rare Over There: In "The Bee-deviled Bruin", Papa Bear nearly gets himself killed trying to get honey from a hive in a tree outside his home. Eventually, he gives up and asks for a bottle of ketchup. Mama Bear goes to get it... from a cupboard filled to the brim with jars of honey.
  • Not So Remote: In "Big House Bunny," Sam Schultz eagerly digs his way out of his cell and up into what appears to be a lush jungle. In fact, it's the collection of potted plants house in the Warden's office.
  • Obvious Stunt Double: Used in the short "A Star is Bored", where Daffy is Bugs' stunt double for any dangerous scene. He's dressed in a rabbit outfit but you can still see his duck face.
  • Off-Model: Not uncommon, particularly in Bob Clampett's shorts, where he gave the animators leeway in deviating from the model sheets in favor of a specific action or expression. However, there was plenty of unintentional off model, such as one scene from "Hare Lift", where Yosemite Sam briefly turns into a robot when he is wearing his parachute! Explanation: As Sam got smaller and smaller plummeting to the ground as the parachute opened, the animation of the automatic pilot, who abandoned the plane just moments before, was used.
    • The size difference between Daffy and Speedy seemed to fluctuate wildly, especially in the Alex Lovy-era shorts. One particularly glaring instance is in "Skyscraper Caper" when Daffy walks by Speedy's house; Speedy is drawn much larger than he should be.
  • Offscreen Teleportation:
    • The minah bird is a master of this.
    • In "Holiday Highlughts", a graduate is seen leaving college and walking towards a line of people waiting for their turn to buy bread. The character ahead of him is the same one who had just handed him his diploma.
  • Oh, Crap!: Wile E. Coyote, Private Snafu, Ralph Wolf, and Those Wacky Nazis do this a lot. Even Bugs Bunny gets a few every now and then.
  • One-Shot Character: Many, many examples. In fact, Merrie Melodies started as a revolving door of one-shot cartoons and non-recurring characters. Here are just some examples:
  • One-Steve Limit:
    • Some Ralphs: junior daydreamer Ralph Phillips, Ralph Wolf (from the Sheepdog-Wolf series), Ralph Crumden (from the "Honeymousers" series).
    • A pair of Kit Kat Clubs: the Den of Iniquity from "Tin Pan Alley Cats" and the nightclub a cat disguises himself as in "The Mouse That Jack Built."
    • There are two Eggheads: The Elmer Fudd prototype with the bulbous nose and goofy voice created by Tex Avery, and the little chick who Foghorn Leghorn tries to befriend to impress Miss Prissy created by Robert McKimson. The latter, however, will later be renamed "Eggbert".
    • Besides Yosemite Sam, there's also a cat named Sam featured in Trick or Tweet and Mouse and Garden, and Sam Sheepdog.
    • There are multiple Claudes as well: There's Claude Cat, the nervous cat who is usually tormented by Hubie and Bertie, Claude Hopper, the arrogant boxer kangaroo from "Hop and Go", and Claude the gangster from the 1968 "Bunny and Claude" duology. There's also another Claude who you might know - in one short, it's revealed to be the Tasmanian Devil's first name.
    • There were also two pig characters named "Piggy" who only appeared in two shorts each: the replacement for Foxy after Walt Disney threatened to sue Harman and Ising, and the gluttonous pig from some of Friz Freleng’s earlier shorts, most notably "Pigs Is Pigs (1937)".
  • Only One Finds It Fun: In "To Duck...Or Not To Duck," Elmer Fudd fights Daffy Duck in a boxing ring and everyone boos except for his dog, who shouts, "Hooray!".
  • Open Sesame: "Uh... open... sarsaparilla? Open Saskatchewan?"
    • Also, "Abracadabra," and "Hocus Pocus," which transformed one of Bugs' villains (vampire Count Bloodcount, from 1963's Transylvania 6-5000) into and out of his bat form, respectively. Bugs eventually found great joy in torturing the vampire with such linguistic madness as 'Abraca-pocus' and 'Hocus-cadabra', which caused the villain to transform into a half-bat, a half-man and various other combinations. "Newport News" turned him into Witch Hazel (Bugs: "Oh, brudder... I can do better than that!"), and "Walla Walla Washington" turned him into a two-headed vulture.
  • Or My Name Isn't...: Subverted in "To Duck or Not to Duck": "There's something awfully screwy about this, or my name isn't Laddimore... and it isn't."
    • Yosemite Sam does this several times as well, such as in "Mutiny on the Bunny" ("I'm-a sailin' with the tide, or my name ain't Shanghai Sam... and it is.") and in "Big House Bunny" ("You'll do fifty years, or my name ain't Sam Schultz!").
  • Our Vampires Are Different: Count Bloodcount in Transylvania 6-5000.
  • Out-Gambitted: Daffy, Elmer, and Yosemite Sam always get caught in this trope.
  • Outlaw Couple: Bunny and Claude
  • Overly-Long Gag: "Naughty But Mice": Sniffles repeatedly telling the electric shaver to stay put while he got the medicine. Justified in that Sniffles was drunk.
  • Overly-Long Name: "A Taste of Catnip" features Dr. Manuel Jose Olvera Sebastian Rudolfo Ortiz Pancho Jiminez Perez III.
  • Overly Polite Pals: Mac and Tosh, the Goofy Gophers.