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A character with a distinguishing characteristic of swearing noticeably more, or at least in harsher words, than the rest of the cast.
Keep in mind that this is relative; if everyoneswears a lot, that's not this trope, unless of course this character swears more loudly, more vulgarly, and more often than the rest of the cast combined. Conversely, in works where swearing is otherwise nonexistent, a character can be this even if the worst that comes out of their mouths would look very tame in other contexts. Not all works have one of these: a lot of the time most or all of the major characters use about the same amount of profanity, or if some do swear more it is not by enough of a margin to make it a noticeable aspect of the character. What matters here is that a character is set apart by swearing more than everyone (or nearly everyone) else in the same work.
These characters are likely to drop Cluster F Bombs where they're allowed to. Otherwise they may be doomed to Gosh Dang It to Heck! or Angrish. Symbol Swearing, too, is an often effective option. May also be subjected to The Swear Jar.
Contrast The Snark Knight. The trope name is an example of Sir Verb-A-Lot.
The English dub removes the use of profanity which is appropriate for Japanese children and inappropriate for American children. Needless to say, in the third-to-last episode, at one time it sounded like Dedede used a profane word at least once and only once, which was a simple, rare mistake left in the dub.
King Dedede: Hey. What is that damn thing? Escargoon: Sire, how am I supposed to know? But whatever it is, I think our friend at Nightmare Enterprises would be very interested in it.
Agito from Air Gear has the F word as his catchphrase.
England claims to be a gentleman, but he becomes this when he's pissed off.
Tony, America's alien friend.
Molossia, at least when anyone who is not America is around.
Belarus does this on occasions.
Mochi America wasn't this at first, but he and his language got fouler as the series went on. He fits this trope so much that when this video was released, many fans had to be convinced that it was canon and not just a bizarrely obscene fanwork.
Ichigo Kurosaki himself also swears quite a bit. This is actually more noticeable in the English Dub, where he uses about the same amount of profanity as Yusuke Urameshi from YuYu Hakusho. In addition to that, Grimmjow and Nnoitora both have their language noticeably toned down in the English version compared to the original Japanese translation, so Ichigo ends up actually swearing as least as much, if not more, than they do.
Echoes Act 3, Koichi's stand, also has a tendency to swear a lot.
When Baccano! notes Victor Talbot's propensity to swearing in its Dramatis Personae, it is not kidding. If Victor is involved in a story, he is almost guaranteed to swear more than anyone else in it combined.
Yu-Gi-Oh! swearing was pretty rare, even in the original version; two charaters that did (at least occassionally) were Pegasus and Rebecca. (Both were American characters, and it may not have been a coincidence. Bandit Keith was also American, and was depicted as scum.)
Watt in Vamp! drops the first Precision F-Strike, and continues to pepper his speech with swear words for the rest of his scene.
We also have Inuyashahimself using such language when he is angry, annoyed, to call people names sometimes, confused, after getting a sit command from Kagome, and for no reason at all. Where's the soap when you need it? Inuyasha could be Hidan's twin for all we know...
"Hey! F*cking Cowboy, F*cking Cowgirl! How the F*ck are you doing!?"
Yusuke Urameshi, the main protaganist of YuYu Hakusho, is a pretty good example of this trope. He comes off as tame compared to a lot of the other examples on this page, but back when the show aired, he was notable for being the main source of the profanity on it (other characters swore, but few, if any, did it nearly as much), as well as being foul-mouthed in general for the standards of a Shonen series.
Yata Misaki of K tends to turn into this in fansubs and the English dub made him one as well. Though, to be fair, he does have a rather crass manner of speaking which is easiest translated as vulgar.
Oyuki-Chan from Empowered cusses every third word, no matter what she's talking about and even when she's completely calm. Not for nothing is she referred to as "████ing Oyuki-Chan."
Zodon, in PS238 is apparently a terrible pottymouth — which is especially bad given that he's an elementary school student. To keep him in line, he's been fitted with a brain chip which replaces his swear words with random nouns and verbs, and turns entire rants of obscenity into showtunes.
The Punisher tends to curse a lot; in his own series, this is common for most of the characters, but he also does it frequently when he appears in any other title. (Of course, he was once in the Marines...)
Negan: Shit fuck kid, calm the fuck down already! Jesus fucking christ, damn.
Everybody swears in Cazador, but Balrog, one of the recurring bad guys, takes it to the extreme: the demon can only say swear words, and he usually spews them out in long, uninterrupted strings.
In Saki After Story, Teru and Sumire do most of the swearing, with Teru having anger issues, and Sumire calling Teru's claims that Saki is not her sister "bullshit".
In Perfection Is Overrated, Hitomi Kirihara, a deconstruction of a Jerk Sue, swears significantly more than the other characters to reflect her abrasive personality and refusal to comply with social norms; she's essentially impossible to get along with when she's talking with other people instead of killing them. Natsuki and Nao have a fair amount of profanity compared to the rest of the cast.
Veronica "Ronnie" Weasley, a Gender Flipped version of Ron Weasley from the fic Weasley Girl is about as fond of swearing as her canon male counterpart, but gets censored a lot less and is allowed to drop a few F-bombs:
"I'LL KILL THAT FUCKING BASTARD!"Said about Voldemort/Quirrell, after he's placed her under the Imperius curse and Harry manages to break her out of it.
"First, take a big step back and literally FUCK YOUR OWN FACE!"
Tom Cruise is also the sole reason for Rain Man's R-Rating. He's the only character who swears in the movie and it has no significant acts of violence.
It's a pretty memorable trait of his character in Magnolia as well.
Speaking of Magnolia, on top of Tom Cruise's character, Earl and Linda Partridge are also pretty good examples of this trope, especially Linda. This is already a movie where a lot of the characters are quite liberal when it comes to using Cluster F Bombs, but in just about every scene Linda's in, she takes the usage of the trope Up to Eleven, which is quite an accomplishment in a movie like that.
Frank Booth from Blue Velvet who drops F bombs at least once per sentence. Made more apparent in that he is the only character in the film to use the word (besides a character who does it at Frank's request).
Averted in Home Alone and its sequel, appropriately enough; instead of actual swear words, Harry curses in Angrish — the worst word we actually hear him say is "cojones". Allegedly Chris Columbus created a Swear Jar to discourage this sort of thing around the child actors, and Pesci was said to have filled it in a single day.
Ralphie's dad from A Christmas Story, though it's mostly just unintelligible shouting due to censoring.
Adult Ralphie: My father worked in profanity the way other artists might work in oils or clay. It was his true medium, a master.
Little Miss Sunshine has the grandpa, and later on, Dwayne, starting when he realizes he's color blind and therefore, can't fly planes. He breaks his vow of silence with an enormous Atomic F-Bomb, and from there, most of his limited dialogue consists of one small Cluster F-Bomb after another.
Osbourne Cox from Burn After Reading, who is responsible for approximately half of the F-words in the entire film. Unlike other examples, he only curses when he's angry, but since he has a Hair-Trigger Temper, this happens almost all the time.
Gawain MacSam from the remake of The Ladykillers. A couple of the one scene characters shown near the beginning such as Weemack and the tv commercial director could qualify as well. Gee, The Coen Brothers sure like having these types of characters in their movies, don't they?
Kyle in 50/50, although considering he's played by Seth Rogen, this probably doesn't surprise anyone.
The entire 21 Jump Street film series is such an epic swearfest that it's almost easier to list characters that cuss all the time than it is to name ones that don't. However, there is still no one else that can match the proficiency of the well-oiled swearing machine that is Captain Dickson.
Charles and Cary from Super 8, especially Charles. If you pay attention, somewhere between 80 to 90 percent of that language in the film is from these two alone, in large part because of their tendency to drop Cluster S Bombs whenever the gang gets in stressful situations.
Sheriff J.W. Pepper from the James Bond installments, Live and Let Die and The Man with the Golden Gun swears noticeably often for any character from a James Bond movie. He even came close to being the first one in the entire series to use the F-word, but was censored on a couple of occasions. That honor now belongs to M in Skyfall.
Hit-Girl from the Kick-Ass movies, more notable due her young age (12 in the first and 15 in the second). Quite tellingly, in the second movie her guardian had set up a swear jar at the start of it, and by the end she finished filling the second one.
Lieutenant Vincent Hanna from the 1995 film Heat. Not surprising seeing as how he's played by Al Pacino, the same man who gave us Tony Montana from Scarface (1983).
Brutish from the adult animated film "Tarzoon Shame Of The Jungle", rarely did he let a sentence go by without an f-bomb thrown in.
Inverted in The Objective. While other characters swear almost constantly, Benjamine Keynes does not utter a single damn, hell, or even goshdarn it in the entire movie, which is impressive considering the psychological trauma he experiences.
Ron (it's implied he learned them from Fred and George) from the Harry Potter books and films doesn't get to drop any F-bombs, but most of the other characters aren't noted in the narrative to "swear loudly" or say "bloody hell" nearly as much as him. When discussing getting profanity past her editors, Rowling noted this caused the most trouble with Ron's dialogue, as he's definitely the kind of person who'd swear. He does get away with "effing" in the books, as does Uncle Vernon.
Colonel Sebastian "Basher" Moran, as presented (by himself) in The Hound of the D'Urbervilles, swears a lot, though in the text, its mostly dashed out, so he says "f—-ing c—t!" and things of that nature. There's also a lot of English slang for dirty words.
Krystal, Terri, and pretty much all the rest of the Weedon family in The Casual Vacancy use the f-word in the same way a normal person would use a comma.
Holden Caulfield in The Catcher in the Rye, whose constant cussing was one of the main reasons the book created so much controversy on its first publication. Oddly enough, despite his knack for using other words all the time, he actually dislikes the F-word — mainly because he's tired of seeing it in graffiti in public places.
The hunchbacked sorcerer Beldin in The Belgariad has a hideous body, horrid manners and an equally foul mouth. But underneath it all, he's just a big softie.
Uno from Wheel of Time gets called out on this by other characters, especially Nynaeve.
Also Mat. Again, Nynaeve ain't happy. Wanders into serious Narm territory when you see that "Blood and ashes!" and "Mother's milk in a cup!" apparently constitutes heinous swearing in Randland.
A Song of Ice and Fire has a few (who still stand out thanks to Loads and Loads of Characters). Gregor Clegane and Rorge have never actually met but still seem to be competing to see who can swear more while committing horrific acts of rape and dismemberment, but there's an otherwise irrelevant Mook nicknamed "Shitmouth" who can out-swear them both (but is otherwise mostly harmless). In A Dance With Dragons, Asha interacts with Ser Clayton Suggs, a low born knight, and about 90% of those interactions consist of him calling her the c-word. Having said that, Asha is distinctly unafraid of bringing out the heavy-duty language herself, particularly for a Lady in this series. Just, not to that degree. Still notable, though.
Sharon/Shaz from the Bridget Jones books and movies, "Likes to say 'fuck'. A lot".
"Sally" Sweet in the Stephanie Plum series. He can barely get through a sentence without at least one F-bomb.
The title character in Stephen King's novel Dolores Claiborne, who says she is a foul-mouthed woman which probably comes from having lived a foul life.
In The Heroes of Olympus, Arion is apparently this. We never hear any of it, because it's a kids' novel, and Arion only speaks horse, but Percy (who can speak horse) said several times that he's going to have to wash Arion's mouth out with soap.
In Geoph Essex's Jackrabbit Messiah: Indra. None of the cast is outright averse to swearing, and Pen Duffy probably does it more than most, but nobody in most books can hold a candle to Indra when it comes to sheer creativity and volume of swearing. He has very few lines where he doesn't say something completely revolting - it's just how he holds a conversation, and there's no Narrative Profanity Filter. He's also just a ten-year-old kid. (Though he's actuallya god.)
In Hyperion Cantos, the poet Martin Silenus. At one point in his backstory, he could only use seven words, most of which were bodily functions, swear words, or both.
Dave from Flight of the Conchords drops all but one of the F-bombs on the show. Those of the duo's songs that contain the F-word have helpfully been modified to use "flip" instead, as the characters they play in the show aren't given to swearing.
Malcolm Tucker (Peter Capaldi) from The Thick of It and its spin off movie In the Loop was robustly famous/infamous for being a man whose favorite word started with a capital "F" and cropped up in nearly every sentence he spoke. So much so that when Capaldi was cast as the Twelfth Doctor, fans joked that Twelve would be a swear-happy Time Lord. But that would never fly past the censor on a show watched by impressionable kids parroting the always iconic Doctor's easily quotable lines and catchphrases.
Also from those works, Jamie Macdonald, nicknamed "The Crossest Man In Scotland."
Vince from Mongrels who is clinically incapable of getting through a sentence without at least three swearwords.
Calamity Jane in Deadwood has the notable distinction of being the most foul mouthed character in a Cluster F-Bomb cast. She keeps a swear jar for whenever she swears around little Sophia, with the intention of giving her the money.
Don't forget Al Swearengen. He's at least as infamous for this as Calamity Jane is, if not more.
Sir Gwain in Merlin. While it is a family show, and therefore the number of swears is limited, more than once he has sworn in the background in an indistinct manner, sounding like fuck.
Debra Morgan in Dexter was even swearing more than anyone as a child, according to a flashback. Dexter even introduces her to the viewers on the first episode as, "my foul-mouthed step sister".
Once, when being confronted by an Internal Affairs agent, over the course of the conversation, she manages to use every single obscenity in the English language, excluding racial slurs.
At one point, she's forced to give a press conference, and can't help dropping an f-bomb on air. When she sees herself on tv later, complete with bleeped-out obscenity, her response, in a hospital waiting room full of kids: "oh, fuck."
Most of the cast from Boardwalk Empire is quite used to dropping profanity all over the place, but the Commodore sticks out as being the worst. The part that may surprise some people about it is that he's a SENIOR.
Inverted by Omar in The Wire — in spite of being a major Badass, he's the only character who refuses to curse and admonishes others for doing so constantly. This is the show whose Establishing Series Moment was Bunk and McNulty communicating entirely through the word "fuck" for a scene.
All the characters swear in Good God, but Danny McClure's profanity-laden rants are particularly epic and occur nearly every time he speaks.
A short Mr. Show sketch features Reverend Winston Dupree, who preaches while doing this.
Jack Bauer in 24 is most notably well-known for his catchphrase, "Damn it".
Everyone in Strike Back is prone to letting loose a Cluster F-Bomb in tense situations, but Damien Scott takes the cake. If he's not swearing, he's probably not conscious. When he regains consciousness, expect him to start up again almost immediately.
The Informed Ability of Eli Gold in The Good Wife in the episode where he's introduced. Peter warns him to watch his mouth in front of his kids... and Eli doesn't say a bad word since, even when it'd be appropriate.
One article in Playboy gave the number of cuss words in every interview they had published, and then said that more than half of them were in the interview with Snoop Dogg. Considering the magazine's more than fifty-year history, that's really saying something.
It is implied in one strip of Beetle Bailey that Sergeant Snorkel, of all the soldiers at Camp Swampy, was the absolute worst when it came to swearing. Basically, the resident minister of the camp was complaining to one of the officers about the amount of swearing going on at the camp, and suggests Sarge teach them not to swear, to the officer's shock and exasperation. It then cuts to Sarge accidentally hurting himself with a tack that he was going to place on a bulletin board, and utters a long list of profanities (all censored), and the officer, telling the minister, who is covering his ears, that the long list of profanities he is uttering is only for a tack prick, implying that the list is even longer and far more profane with more serious injuries/more angering situations.
In one 2013 strip, he shows Beetle he has a degree in cussing. ("Master's in Maledictation".)
It's probably a carryover from the Drill Sergeant Nasty character, although Sarge isn't leading basic training and isn't particularly nasty otherwise. Other sergeants in Camp Swampy are the same — another company once challenged Beetle's with "our sergeant can out-swear yours!" (Snorkel wins).
Darryl MacPherson in Baby Blues has a swearing problem (particularly when irritated or after injuring himself, with him once somehow managing to write a swear word on a note identifying a coffee table that was intended to help one of the kids identify furniture after stubbing his leg on it).
Grampa Freeman from The Boondocks is quite foul-mouthed, in particular with the N-word, having done so at least 46 times the day before in one case.
Ragna The Bloodedge and Kokonoe both tend to drop Cluster S.o.B. Bombs in BlazBlue.
Ragna: Take this, you son of a bitch! Kokonoe: You son of a bitch! Do you know how hard it was to find you?!
Kokonoe takes her language much further than that, often getting creatively censored as a result. Let's try this dialogue from Rachel's gag reel in Continuum Shift:
Noel: Ms. Kokonoe. What were you going to do to Mr. Ragna the Bloodedge after you put him to sleep? Kokonoe: Well, no reason not to tell you. First I intended to take his XXX (Inferno Divider!) and put it in a XXX (Carnage Scissors!). Maybe a little XXX (Gauntlet Hades!) too? My goodness, I can only imagine what his XXX (Hell's Fang!) will XXX (Dead Spike!)! Noel: Wh-wh-WHAT?! How could you stoop so low? That's totally unfair! Kokonoe: Like I care. Keep dreaming, kid. I'm gonna make Ragna mine!
Bulletstorm was called "Captain Swearword's Big Fuckin' Adventure" by RockPaperShotgun for good reason, but Grayson is surprised by the walking, talking swear factory that is General Sarrano.
While not quite on the same level as Sarrano, neither Grayson or Trishka are particularly lacking in this department.
KainÚ from NieR. The very first thing you hear when booting up the game is her delivering a truly splendid Cluster F-Bomb to Weiss.
Detective Isaac Washington from The House Of The Dead Overkill. Considering he's the primary contributor to the game's 189 F-bombs on a normal playthrough, enough for a Guinness World Record, the game certainly earns its title. His first line of dialogue and Establishing Character Moment is "Whassup, motherfucker!"
Garlot and Leon in Blaze Union, both of whom have awful tempers. After the Time Skip in route A, Garlot's new speech patterns as Gulcasa have him swearing a bit less and becoming more eloquent—probably due to coaching by Nessiah.
In Neptunia, out of the four goddesses of Gamindustri, White Heart is the one that drops the highest amount of S-bombs. As a sample, a few lines she says during the first game's intro sequence:
White Heart: I won't let any of you selfish, icy bitches take the title of True Goddess!
Dana Mercer from Prototype, notable not for swearing the most out of all the cast (which includes her salty-mouthed and hot-tempered brother and several dozen soldiers, who swear like, well, soldiers), but for swearing so much and so colorfully that the Blackwatchtrooper in the middle of kidnapping her was taken aback. Her favorite appears to be the f-bomb and its variants.
The Witcher: Thaler has a mouth about a magnitude fouler than that of any other character in the game. That says quite a lot, as pretty much everyone swears regularly and he still manages to stick out.
Enzo in Bayonetta swears even when it doesn't make sense to swear. It's likely that he swears the most out of everyone in the game, despite having the least screentime and the fact that the game has no shortage of F-bombs.
"Yeah, I said "shit" 33 times. Got a problem with it, numbnuts?"
Dylan in Duke Nukem Forever swears in virtually every sentence, and quite often more than once per sentence. Becomes hilarious in the DLC when he shrinks and continues swearing with the voice of a chipmunk.
Mister Torgue in Borderlands 2, to such a hilarious extent that his company's shareholders installed a censorship device into his vocal cords to bleep out his cursing.
While the splicers from BioShock say a fair amount of curses, the Brute splicer from BioShock 2 takes the cake as the most foul-mouthed, using almost every swear word known to man right up to Country Matters (although he's British, the word isn't as offensive where he comes from as it is in North America).
Zed the Punk Rock Zombie, the first boss in Lollipop Chainsaw. He attacks you by yelling swear words that become physical and come flying at you, and he also yells several insults like "I'M GONNA RIP OPEN YOUR CHEST AND SHIT IN YOUR RIBCAGE!", "I THINK YOU PISSED YO' PAAAAAANTS!", and "YOU THINK THAT HURT ME? I JUST JIZZED A LITTLE!"
Compared to the rest of the cast of Dissidia Duodecim Final Fantasy,Prishe drops mild swears much more often. Most notable are her quote for being called in as an assist character "It's about damn time!" and having "Aw hell!" instead of a death scream.
Swaine in Ni no Kuni, which is especially notable as the rest of the game is otherwise fairly innocent and kid-friendly. Of course, the worst he ever says is "Dammit," but it's still somewhat surprising.
In Metal Gear Solid 3, The Fury is an angry, angry man. His rage-induced vulgarity stands out since the other members of the Cobra Unit are not nearly as coarse. For instance, if you attempt to damage his protective suit, you'll certainly know if you succeed, because he'll take a moment to yell "Son of a BITCH!" loud enough to be heard anywhere in his Boss Room, even over the roaring fires caused by his flamethrower and jetpack.
Everyone in Metal Arms: Glitch in the System curses at least a bit, but Krunk, the short, squat, peg-legged Droid mechanic, is constantly being bleeped out. Even the name of the level where you play him, F&!?ing Krunked, has to be censored out.
Richard "Demo Dick" Marcinko from Rogue Warrior over-uses swear words to a hilarious degree. During gameplay, he rarely opens his mouth without spewing a series of random curses.
The protagonist of Dra Koi was translated with an extremely foul mouth to get across his Only Sane Man attitude across. He's surrounded by crazy idiots, so the frustration is understandable.
Mondo Oowada from Dangan Ronpa swears significantly more than any of the other students.
While many characters swear in Survival of the Fittest, there are a few that are... particularly notable. Adam Dodd, Kris Hartmann (in multiple languages!), Dorian Sanders, and Jimmy Brennan are such examples.
Further Inverted in that, when he does swear, he typically uses 'lighter' profanities as opposed to F bombs and such. Perhaps the only reviewer on the site who swears less than Linkara is That Dude in the Suede.
Skidmark from Worm is far from the only person in the story who swears, but he is heads and shoulders above the rest in terms of sheer creativity of vulgarity.
Monica Ray from Strip Search is, based on not only her looks but her art style as well, the last person in the cast you would expect to tell you about her desire to fornicate with your mom, or her frequent rhetorical soiling of her own pants, or say "shitting dick nipples" in any context whatsoever. But there she stands. Quoth her Twitter:
"An actual sailor came to my booth and said my cursing made him blush #stripsearch"
In Noob, Master Zen is another case of Hair-Trigger Temper induced swearing. Couette actually once called him something along the lines of "the guy who's using swear words all the time".
Though almost everyone in South Park swears except for Butters (usually), most of it comes from Eric Cartman. Kenny McCormick is also known to have an incredibly filthy mouth (sometimes even moreso than Cartman), but most of what he says is unintelligible anyway.
Parodied on Codename: Kids Next Door with Pottymouth, a rarely seen villain who uses child-caliber profanity in literally every sentence he utters.
"Oh, go flush yourself down a pee-pee-hole, you toilet paper covered doody head!"
Palpatine in the Robot Chicken Star Wars specials was probably the worst offender in regards to swearing. In particular, he uttered exactly nine usages of the F-word, six of which were in a chain, in the skit where Vader calls him at his office when telling him about the destruction of the Death Star. He later gives four usages of the F-word in a later skit detailing his bad day on the Death Star, two of which were, again, in a chain. In fact, with the exception of two Stormtroopers in Episode II and Lando Calrissian, a large majority of the more profane language (ie, the ones that are required to be bleeped out when in syndication) are from Palpatine's mouth.
The alien that keeps shouting, "DAMN IT, DAMN IT, DAMN IT!!!" in triplicate whenever his and his less blue partner in crime's plans go horribly wrong.
How can we discuss Robot Chicken and not mention the queen of the guttermouths, Bitch Pudding?
Boomhauer in the Hungarian dub of King of the Hill replaces his Verbal Tics with random cuss words, at least in the first six seasons. After that, the dub became clean.
Comedian Katt Williams. So much so that whenever his stand up specials are edited for TV every 3rd to 5th word is bleeped out.
Former New York Rangers coach John Tortorella is quite given to expletives, in contrast to his basketball counterparts. In January of 2012, he called his boss's early Stanley Cup prediction "a bunch of bullshit".
Former Prime Minister of Australia Paul Keating was infamous for his barnyard vocabulary while still in office (probably he still drops the odd Cluster F-Bomb), being very much the guttermouth by Australian political standards - link:http://www.webcity.com.au/keating/
Kevin Rudd, another Former Prime Minister of Australia was noted has having a volcanic temper behind closed doors, in comparison to a downright Lighter and Softer public image.
In an interview with Electronic Gaming Monthly, somebody associated with him said that in day-to-day life, every sentence John Madden says contains the F-word, which isn't too surprising since he used to be a pro football coach (a type known for being rather potty-mouthed), but they found it remarkable that he's able to completely turn that off when he's on the air.
Joel Zimmerman, A.K.A. Deadmau5. He's known to be especially bad whenever he gets enraged or enthusiastic, but even in a normal mood, he's quite the guttermouth. Read almost any quotes from his interviews and postings on Twitter and Facebook: odds are that the majority will have some sort of cuss word in them, if not plenty in some cases.
Alexi Laiho. He writes the lyrics for nearly all of Children of Bodom's songs, and it's extremely difficult to find a song that doesn't have swearing in the lyrics. Ditto for his actual personality; if anything, he swears even more when simply talking.
A lot of Youtubers in general are like this, but it's particularly noticeable with some, particularly female comedians, when it seemingly clashes with their general image. Serial offenders include Catie "Boxxy" Wayne, occasional pinup Jenna Marblesnote who will occasionally lapse into rambling monologues which serve no purpose other than to give her an excuse to mention dicks as many times as possible, and Grace Helbig. On the other hand, played straight with Mamrie Hart, whose onscreen persona revolves around being a drunken slut with a fascination with potty humor. (It all works.)
Adele 'Twink' King, an Irish entertainer famous for acting in Pantomime. She is infamous for unleashing a foul-mouthed three minute tirade against her ex-husband for having had a baby with another woman. "Zip up your mickey" was a particularly famous phrase from this rant.
Andrew Jackson. The man was long on action (having won the Battle of New Orleans two weeks after the War of 1812 ended), longer still on anger (claiming his two regrets in his presidential term were not shooting Henry Clay and not hanging John C. Calhoun, his vice president), and apparently even longer than that in profanity. Jackson was quite talented in the art of cursing in both English and Spanish, and passed this trait on to his beloved pet parrot.
On that note, the parrot, Pol, outlived Jackson and was present at his funeral. At least, until it started cursing up a storm in both English and Spanish at the previously solemn event. Pol had to be removed before its constant swearing could stir up any further ruckus, but it was probably just the sort of thing that would have amused Jackson to no end.
Brian Mulroney, Canadian Prime Minister from 1984 to 1993 had a reputation for being abrasive and straight-talking in public, and didn't mind throwing in the odd curse word now and again. But in private... let's just say that if he'd kept a swear jar and donated its contents to the treasury, he'd never have needed to implement the Goods and Services Tax.
According to those who worked with him, Disney animator Milt Kahl had quite the potty mouth.
Dana White, president of the UFC. Despite running the largest Mixed Martial Arts organization in the world and one of the biggest sports brands in the US, he still talks like a kid from the streets of Boston.