- Obviously, the character must be a badass.
- The character must have a deep voice of baritone register. Bass register is also possible but is rarer and almost always overlaps with being evil.
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Anime and Manga
- Fullmetal Alchemist has several notable examples.
- Scar, the legendary Serial Killer that hunts down State Alchemists in revenge for the genocide of his people. He regularly goes toe-to-toe with both Elric brothers and comes close to winning.
- Also Alex Armstrong, a Boisterous Bruiser noted for his incredible physical strength.
- Solf. J. Kimblee, a Psycho for Hire that the villains send to hunt down Scar and other troublesome targets.
- Roy Mustang, considered a war hero but secretly plotting to overthrow the corrupt government by any means.
- Naruto has numerous examples, with characters like Kakashi actually deepening their voices while in battle. Pain's baritone is no less legendary.
- One Piece: Crocodile is a former boss of a mass criminal syndicate as well as being a former Warlord of the Sea. He has one of the deepest (if not the deepest) voice(s) in the series to boot.
- Also applies for Akainu, the man who killed Ace, took TWO of Whitebeard's Haki enhanced quake punches without flinching, and the current Fleet Admiral.
- In the Funimation dub, that honor also goes to Franky. Crazy? Yes. Able to kick ass? Of course. Manly? You betcha. A deep voice? He wouldn't be here if he didn't.
- Roronoa Zoro has the deepest voice in the crew, and is undeniably Badass.
- Jinbe, both prior to and after his original voice actor's death.
- Alucard from Hellsing. A nigh unstoppable killing machine, he routinely tears his way through anyone unfortunate enough to face him.
- Souther from Fist of the North Star has a voice that seems deeper than what is naturally possible.
- Oddly enough, Toki has his own Badass Baritone going on as well.
- The main character, Kenshiro, also speaks in this pitch, but prefers high-pitched "A-TA" sounds whenever he strikes.
- The narrator speaks in a considerably deep tone of voice in season one, a sharp contrast to the high-pitched screaming he went for from season two-onwards.
- Whenever English dub Version of Goku goes Super Saiyan 3, he invokes this trope by lowering his voice an octave to show he means business. And let's not get started on the badassery that is Super Saiyan 4...
- The Brazilian and Mexican dubs turned Frieza into one of this.
- Cell's voice is this in both the Japanese and Mexican dubs. In Japanese, his voice is more booming due to him being voiced by Norio Wakamoto; in the Mexican dub, his voice is more guttural.
- Hidekatsu Shibata: Voiced The Third Hokage, King Bradley and Igneel.
- Lord Death in Soul Eater actually invokes this trope - his voice is normally quite high-pitched, but drops several octaves during Let's Get Dangerous moments.
- Sebastian Michaelis, the iconic Battle Butler from Black Butler, has this in both the original Japanese and the English version.
- Jotaro Kujo of JoJo's Bizarre Adventure, the most straightforwardly badass of the Joestar lineage, is invariably cast with a low baritone despite being merely a teenager.
- Many villains in the series also have Badass Baritones, particularly Dio Brando.
- Attack on Titan provides several examples.
- In the Funimation dub, Captain Levi is provided one by Matthew Mercer. He's even called "Humanity's Strongest" by the common folk.
- Commander Erwin Smith of the Survey Corps has one in both the Japanese and the English versions.
- Reiner Braun has the deepest voice among the 104th Trainees Squad, to go along with being built like a linebacker. Yoshimasa Hosoya's performance is particularly deep compared to some of his other notable roles.
- Yami Yugi/The Pharaoh as played by DAN GREEEEENN!!
- Transformers: More than Meets the Eye has a moment when Whirl tries to imitate Optimus Prime (See Western Animation below) and fails. He lampshades it.
Whirl: How can anyone's voice be that low?
- The 1937 edition of King Solomon's Mines featured Paul Robeson, professional baritone singer, as Ignosi. Ignosi is a brave warrior who returns to Kukuanaland, defeats the usurper King Twala in battle, and reclaims his throne. Since he's played by Paul Robeson, he gets to sing a couple of songs too.
- Many incarnations of Batman have him lowering his voice while in costume to sound more menacing.
"You think darkness is your ally, but you merely adopted the dark. I was born in it, molded by it. I didn’t see the light until I was already a man. By then, it was nothing to me but blinding!"
- In The Dark Knight Rises, Bane has a voice amplifier that gives him an extremely peculiar contrast between the trope (in vocal range) and jovial, eloquent word choice and mode of speech, in comparison with Tom Hardy's fairly nasal voice.
- Christopher Lee sometimes plays this when he isn't playing villains. His voice is perfect when he plays the Discworld role of Death, since Terry Pratchett has always described Death's voice being deep and foreboding like the slamming of a coffin lid. Also, whenever Death speaks in the novels, his lines are rendered completely in upper-case. And who else, but Christopher Lee knows how to speak in capital letters?
- Anyone played by Vin Diesel.
- Thorin, as played by Richard Armitage, in The Hobbit. Warrior, rightful king returning, general monster-killing badass, and a baritone. He even gets to sing a song perfectly suited for his voice.
- Mace Windu in the Star Wars prequel trilogy (as a rule, any time Samuel L. Jackson is in the film's cast, expect his character to be one of these). Darth Vader is the more villainous example, courtesy of James Earl Jones, but he's still one of the most badass villains on the screen.
- Another major Samuel L. Jackson example would be Nick Fury, Badass Normal Big Good to the mostly transhuman heroes of the MCU.
- Kevin Grevioux has an incredibly deep Basso Profundo voice, which led many people watching his character Raze in Underworld to assume it had been altered in some way. He's also a Genius Bruiser, having degrees in microbiology and genetic engineering and having come up with the idea for the movie in the first place.
- James Bond. With the exception of Pierce Brosnan, all of Bond's incarnations have a deep, manly voice that perfectly suits a Casanova super spy, with Sean Connery's version arguably providing the deepest and manliest voice of them all.
- Atticus Finch, as played by Gregory Peck, a Badass Pacifist and incorruptible attorney who fights to the bitter end to save an innocent black man's life.
- Roadblock from G.I. Joe: Retaliation. He is played by Dwayne Johnson.
- Star Trek Into Darkness: Benedict Cumberbatch's John Harrison delivers Badass Boasts in a deep, chilling bass voice.
- Heimdall from the film version of Thor has one, courtesy of Idris Elba. It gives him a very fitting air of gravitas. Chris Hemsworth as the titular thundergod has a powerful, deep voice as well, rather fittingly making him sound like the hero of an ancient epic.
- Likewise Elba's character Marshall Pentecost in Pacific Rim. When he talks about cancellin' the Apocalypse, you believe him!
- Both Ian McKellen and Michael Fassbender pull this off as Magneto in the X-Men films. Magneto, both young and old, has a deep voice and has consistently proven himself as one of the most badass characters in the series.
- Superman in Man of Steel. Badass superhero played by Henry Cavill.
- The titular RoboCop is often depicted as having a deep, intimidating voice. Of course having some of the actors who've played him like Peter Weller and David Sobolov (the latter in the Alpha Commando cartoon) naturally have deep voices helps, too.
- In The Last Witch Hunter, the eponymous character, an eight-hundred-years-old witch hunter, is played by Vin Diesel, with all the voice the man brings to the part.
- Charlton Heston famously had one of the deepest, most heroic voices in the history of cinema, which is probably why he was a natural for playing larger than life heroes in films like The Ten Commandments, Ben-Hur, etc.
- An early sign that short, frail, sickly Steve Rogers is destined for a life of badassery is that he already sounds like Chris Evans. Sure enough, he soon graduates directly to One-Man Army, and from that to leader of the Avengers.
- Harry Dresden of The Dresden Files is very much a badass, and is described as having a resonant baritone.
- Bahzell Bahnakson, chosen of the war god and demon slayer in David Weber's The War Gods series speaks in deep voice, likely thanks to his unusually huge size.
- Death from the Discworld is described as having a voice like a lead coffin lid slamming, even if his voice is more felt than heard. It is rendered as All Caps.
- Private Kolya Vlasov from David Benioff's City of Thieves. Quick-fisted fighter of cannibals who sings in a "strong, confident baritone".
- Admiral Augustus Khumalo of the Honorverse, whose badassery was severely underestimated by his fellows in the Royal Manticoran Navy, has a voice which is consistently referenced in the text as "deep", even in comparison to other male characters in the series.
- The Duke of Taunton in the Village Tales series is both … when he uses his high head-voice. He is in fact a Basso Profundo Retired Badass. And the retired bit is purely notional.
- The cast of Game of Thrones presents a wide array of delightful voices. On the lower side of the register we have:
- Tywin Lannister, played by Charles Dance. He sounded as intimidating as he looked.
- Roose Bolton, played by Michael Mc Elhatton. His soft and deep voice ceirtanly made his scheming less annoying than Littlefinger's.
- Also Gregor Clegane as played by Ian Whyte in Season 2 (Season 1's Gregor doesn't get enough dialogue to be sure).
- Star Trek: The Next Generation gave us Lieutenant Commander Worf, the only Klingon member of the Enterprise, and the resident Proud Warrior Race Guy. Michael Dorn played Worf so gruff for so long that his voice actually got significantly deeper as a result.
- Ben Sisko in Star Trek: Deep Space Nine once punched Q in the face (while Q acted smug about it, he avoided DS9 thereafter) and is one of the most badass captains in the Trek franchise. It's particularly convincing because he's played by Avery Brooks, whose voice is a rich baritone that even on a good day sounds like distant thunder - and in the later seasons of DS9 Sisko has very few good days.
- On Arrow, both the Arrow and the Dark Archer use voice changers most of the time while in costume.
- Walter White from Breaking Bad becomes this eventually. He starts out with a quiet and non-threatening voice, but as the series goes on and he and his actions become more despicable, he grows into a very intimidating baritone mixed with Guttural Growler.
- The Fourth Doctor from Doctor Who has an unusual, velvety voice about an octave deeper than all of the other Doctors. For the most part this is used to make the Doctor seem more commanding and suggest a gravitas he might otherwise disguise - yeah, he comes in dressed in a ridiculous outfit handing out sweets and smiling at people, but no-one with a voice like that could possibly be as weak and undistinguished as he initially likes to appear. A couple of the more interesting exploitations: In "The Deadly Assassin" he speaks in a higher pitched voice while trying to appear beneath the notice of some other characters. In "The Robots of Death" he develops one of his more specific New Powers as the Plot Demands when we discover Time Lord larynxes aren't affected by helium, just so he can continue sounding cool in one specific scene. In "The Power of Kroll" he generates a subsonic frequency that shatters a window.
- Sherlock Holmes himself. You could mistake Benedict Cumberbatch for Alan Rickman if you had your eyes closed.
- Supernatural: Castiel. Also, Jensen Ackles noticeably starts using a deeper voice in any extended conversation with him. It's like they're trying to out-badass each other. Misha Collins has said that he regrets it - he thought he would only be a guest star and was just trying to sound Bad Ass, but when he was brought back to be a major supporting character he was forced to keep it, and finds using the voice so much to be annoying, difficult and mildly painful.
Misha Collins: So in the first episode that Castiel shows up in, um — he's trying to communicate with Dean, and in so doing, his voice, his angelic voice, is exploding television sets and breaking windows — and so I, consummate guest star that I am, thought - oh, you know, I'm gonna do this [deepens voice], really deep, gravelly, commanding, kickass, kind of window-breaking voice... And I may be running into medical problems now. It has been brutal on my throat.
- Any character played by James Spader is sure to be this, but the best example may be Raymond Reddington from The Blacklist. He has an incredibly smooth, deep voice that is sheer pleasure to listen to, and he is easily the most dangerous character in the show (if you get on the wrong side of him, anyway).
- Trace Adkins is a Country Music singer known as much for his bass-baritone voice as for his very tall, muscular stature and often masculine songs (e.g. "Hot Mama", "Honky Tonk Badonkadonk", etc.). Bonus points for having had a pinky finger reattached after an accident, and having survived getting run over by an off-road vehicle.
- Benjamin Burnley of Breaking Benjamin is known for his deep, soulful voice that can quickly descend into a Metal Scream.
- Neil Peart of Rush. In hearing him interviewed, his voice has a very deep register. With his tall (6'4") muscular build, he comes across as a Cultured Badass.
- Matt Berninger from The National is one of the most well-known and acclaimed examples of a not only a baritone, but indeed a badass in modern indie music. You can watch any live performance this band has done, and still be completely blown away by Matt's vocal and stage performance every time.
- Charlie Anderson from The Musical adaptation of Shenandoah.
- Count Carl-Magus in A Little Night Music is certainly a manly man, if conceited and stupid, with a distinct baritone voice.
- Wotan in Richard Wagner's Der Ring des Nibelungen. He's a bass-baritone, the ruler of the Gods, and he even has an eyepatch.
- Pick a Giuseppe Verdi baritone role. Any of them. Good guy or villain, all badass.
- Meta-example: any baritone who can sing Verdi automatically qualifies. Rare though they may be, "Verdi Baritones" make ordinary baritones cower in fear.
- If basses count, Sparafucile from Rigoletto. Assassin AND a man of honour. He never double-crosses anyone.
- Don Giovanni. He's THE MAN.
- Vanderdecken in Der fliegende Holländer — manly, dark, mysterious, bass-baritone.
- Escamillo from Carmen. You know, the guy who sings that impossibly hammy song about how cool toreros are. Standing in front of a rampaging bull as your day job makes you a badass per definition.
- Les Misérables: Inspector Javert. Baritone or bass-baritone required, and he's badass enough to have his own trope. (Ask Patron-Minette how he arrested seven armed bandits plus a Mama Bear (who counts herself as two) alone.)
- The indisputably badass Beast from Beauty and the Beast is a solid baritone role, as is the equally badass (though much more arrogant about it) villain Gaston.
- Kratos Aurion from Tales of Symphonia, voiced by Fumihiko Tachiki, a former blues singer. Kratos has a very deep, slightly smokey voice and his first appearance in the game? Saving the party from a boss that is too tough for them.
- Cam Clarke also gave him a very low, gruff voice that's just as good, if not better.
- Gaius from the Xillia games. Voiced by Travis Willingham in English and Ryotaro Okiayu in Japanese. Both have very deep voices, Travis perhaps a bit deeper than Ryotaro, and Gaius is the ultimate Badass character in Xillia. He's the Big Bad of the first game, became king of Auj Oule because he can kick your ass into next week and even won the tournament without a Lilium Orb at age twelve. His badass tendencies didn't stop in the second game, despite taking a level in kindness.
- The best Tales example yet has to go to Yuri Lowell, voiced by Troy Baker in stark contrast to his Long-Haired Pretty Boy design.
- Fenris of Dragon Age II has a deep husky voice despite his Bishōnen elf look. But then, one of the things he does on a regular basis is reaching into an enemy's chest and crush his heart.
- In the Halo franchise, most male Spartans speak this way, with the Master Chief especially having a very recognizable smooth baritone (which sounds even deeper due to that he hardly ever raises his voice). On the other side, every male Sangheili/Elite has a very deep voice, with some also fitting under Guttural Growler (incidentally, Halo 5: Guardians has revealed that the females have a similar Contralto of Danger). The Jiralhanae/Brutes, meanwhile, have voices so deep and rough they border on Basso Profundo.
- From the StarCraft universe, while most named male Protoss we meet "speak" in a smooth tenor, Zeratul has a deep, slightly gravely baritone voice (voices, rather). On the human side, Gabriel Tosh has a deep voice coupled with a Caribbean accent, while Tychus Findlay's smooth and very deep baritone (almost a basso) is accompanied by a smooth Southern drawl.
Tychus: Those people aren't ready for the raw sex appeal I'd inject into their gray little lives...
- In Fallout: New Vegas, Legate Lanius from the base game, Joshua Graham from the Honest Hearts DLC and Ulysses from the Lonesome Road DLC are all badass and have very deep voices. Doubly notable for being extremely cool, competent, and collected and none of them use profanity in a game where it is plentiful.
- Fallout 2 gave us Frank Horrigan, an enormous, mutated high ranking member of the Enclave, with a voice as deep as the ocean. He also fits the Badass criteria VERY, VERY well.
- Big Band, from Skullgirls, is a Large and in Charge Cyborg with brass instrument-themed armaments and an incredibly deep voice to match.
- Vhailor from Planescape: Torment definitely counts since he's basically the avatar of justice and wields an axe so heavy that literary no one else can lift it.
- Even more impressive than the above-mentioned Vhailor is The Transcendent One voiced by Tony Jay. He's also a Physical God.
- Let's not forget the main character. He may not be an avatar of justice, but he's actually one of the most powerful living beings in all of existence, on par with any of the gods, and capable of literally anything he wills, as long as his belief is strong enough.
- Dak'kon has a very dark and raspy voice and wields a sword that, if used correctly, can cut a hole in reality.
- Solid Snake, the hero of the Metal Gear series, has a deep, booming voice.
- In Skyrim, Ulfric Stormcloak is a manly man and he most definitely has a manly voice to prove it (naturally, since he's voiced by Vladimir Kulich). May overlap with Evil Sounds Deep depending on your stance on the Skyrim Civil War.
- There's also Kodlak Whitemane, Harbinger of the Companions (which translates to 'unofficial leader of the province's ancient and sacred order of badasses for hire.)
- Paarthurnax, an old and powerful dragon who helps the main character in his quest. He is a remarkable example because he is voiced by Charles Martinet, who is best known for voicing Mario.
- Adam Jensen, the One-Man Army Player Character of Deus Ex: Human Revolution, has a very low voice with extra huskiness from the smoking habit.
- Both Basilio and Lon'qu from Fire Emblem Awakening have very deep voices and great stat growths, with Basilio's badass nature getting mentioned several times in-story.
- Not to mention Prince Chrom, as voiced by Matthew Mercer. He's the leader of the Shepherds, after all.
- Mass Effect: Urdnot Wrex has a very deep, booming voice. He also spends the time between the first and second games headbutting his way to dominance over an entire culture of Blood Knights, and his first appearance in the Citadel DLC for Mass Effect 3 involves him taking down an entire shuttle full of heavily armed and armoured mercenaries by himself.
- Sovereign's voice is deep, and possibly the most intimidating in the series.
- Proto Man, Mega Man (Classic)'s older brother who is known for helping him out and giving him advice throwout the latter's adventures and is at least similarly as powerful, is portrayed in Mega Man Powered Up as having a voice like this.
- Knuckles from the Sonic the Hedgehog series has a noticeably deep voice when voiced by Scott Drier in Sonic Adventure 2 and Sonic Heroes. This fits his previous characterization as the calm and stoic loner.
- Shadow's voice tends to be low and booming with the exception of his voice actors David Humprey and Kirk Thorton.
- In English, Espio sports one of the deepest voices among the other two members of The Chaotix, Vector and Charmy, despite only being 16 (compare this to similarly-aged characters or even Vector, who is four years Espio's senior). Coupled with his lack of eccentricities, this only serves to make Espio come across as even more serious. He's more of a tenor in Japanese.
- Metal Sonic was suddenly given this in Sonic Heroes but it's Sonic's voice with an electronic makeover.
- The announcer of each Super Smash Bros. title have deep and wickedly awesome voices.
- The leader of the Broken Lords of Endless Legend speaks with a deep, slightly echoing voice; the former comes from being a knight, the latter from becoming a suit of Animated Armor. Crosses with Evil Sounds Deep, as the Broken Lords are widely considered to be soulless monsters because they must drain Dust from other creatures to sustain their bodies.
- The Protagonist from Akatsuki Blitzkampf, the titular Akatsuki, is a former Human Popsicle who travels through East Asia to fulfill the mission he couldn't complete 50 years ago, and kicks ass all around to get that done. His voice is surprisingly deep for a fighting game lead, probably because it creates quite a contrast between his still-youthful looks and his actual age.
- Rodin shows off how extremely deep his voice is while beating up angels in Bayonetta.
- Sol Badguy in Guilty Gear is the manliest nerd ever, and he's on a mission to hunt down and wipe out an entire race of destructive Eldritch Abominations because he had a hand in creating them and unleashing them on the world, nevermind he's one himself. Luckily he has a rough, deep, action hero-esque voice to go with his backstory. Special mention needs to go to his English voice in Xrd, thank you very much, Troy Baker. His voice was also pretty deep back when he was an Author Avatar for Daisuke Ishiwatari.
- Kirby has Meta Knight, who has very deep Voice Grunting in Kirby's Return to Dream Land, and in his only fully voiced appearances, namely in Super Smash Bros., also has a very low voice. He also more than qualifies for the Badass part of this trope, given his title as The Strongest Warrior In The Galaxy and Master Swordsman status.
- Lie Ren of RWBY, voiced by Monty Oum and by his brother Neath after Monty's passing in February 2015. Lie Ren is an adept fighter whose Crowning Moment of Awesome so far has been stopping a giant snake with his bare hands, skewering it through the eye with one of it's own fangs, and then punching it through it's head so hard it explodes! Amusingly, despite his deep baritone, Ren is a Bishōnen.
- Beauty and the Beast:
- No one has a baritone like Gaston! Indeed, Gaston has a whole song (sung by him and the rest of the town) describing how badass and uber-manly he is.
- The Beast himself is a baritone as well. The towering Beast's ferociousness terrifies most other characters into submission with a single roar. Within the movie, he single-handedly drives off a hungry wolf pack threatening Belle, defeats the aforementioned badass Gaston, and rules his staff of household objects with an iron fist.
- Transformers' Optimus Prime is universally this, especially when portrayed by Peter Cullen, with a voice so deep and weighty it would crush the vocalizers of lesser 'bots.
- Smaug in the Animated Adaptation of The Hobbit, as befits a titanic dragon. It really adds to the effect of his Badass Boast.
- In Sherlock Holmes in the 22nd Century, Moriarty is given a pretty elegant yet menacing baritone.
- Megabyte, the resident Big Bad and Magnificent Bastard of ReBoot. He retained that certain refined bass voice, courtesy of Tony Jay, even as he became more feral and dangerous throughout the series, which made him all the more terrifying.
- Black Beetle in Young Justice. Then again, his voice actor is Kevin Grevioux.
- Tirek in My Little Pony: Friendship Is Magic starts out with a frail, raspy voice, but once he regains his strength via draining pony magic, he develops a guttural, booming voice to go with his massive, muscular frame.
- King Sombra has an even deeper voice, courtesy of Power Echoes.
- Played for laughs in the Dexter's Laboratory episode "Dee Dee Be Deep". Dexter tried to improve his sister Dee Dee's awful singing voice with one of his inventions, but thanks to Dee Dee messing around with it she became a very exaggerated baritone. While she didn't get into the school choir, it worked out for her in the end; she joined a Barbershop Quartet instead.
- Christopher Lee. Played many of the most iconic villains in film history, aided much due to his magnificent baritone voice. He's also a trained operatic singer, a metalhead, speaks at least five languages fluently, is a Master Swordsman, and was a member of the Special Operations Executive during World War II (whose exploits inspired the character of James Bond — created by his step-cousin and war buddy Ian Fleming).
- Despite common depictions, this trope is subverted in the two most legitimately badass American presidents: Abraham Lincoln is said to have had a shrill, nasal voice and Theodore Roosevelt had a mid-range voice - his voice was the first president's to ever be recorded and a sample can be found here.
- General Patton also had a high-pitched, slightly weak voice, George C. Scott portrayal notwithstanding.
- Steve Blum. With a voice generally considered to be one of the deepest among current voice actors, he's always cast as playing a badass with few exceptions. He was also in a metal band in his youth, although he didn't sing.
- Johnny Cash, ladies. His voice is very deep and adds to the effect of the music.
- Harry "The Tyrant" Conklin of Jag Panzer. He can (and does) go higher, but his natural register is baritone and he's the living embodiment of badass in metal. I'M A MAN WHO SHOWS NO MERCY FOR THE WEAK!
- The Undertaker. Walking, talking embodiment of Badass. Once got set on fire by his pyro and never broke character.
- James Earl Jones is made of this. There is a reason that he is always associated with Darth Vader, simply because the voice is so iconic and badass.
- Benedict Cumberbatch. Often cast as a Badass Bookworm or military man, with a very, very deep voice. It only gets distorted further when he plays Smaug, as mentioned further above.
- Voice actor Travis Willingham is also very much this in many of his roles!
- The late Mark Dailey of CityTV in Toronto, Canada. Originally a crime reporter and good friend of the Toronto police, he frequently did live voice-overs between programs and, by the time of his passing in 2010, he was a regular anchor on the evening news and was considered "the voice" of the channel.
- Neil deGrasse Tyson. Back in his high school days, was captain of his High School wrestling team, going undefeated. Having a PHD in Astrophysics doesn't hurt his badass cred either.
- Sam Elliott—the voice you think of when you hear (or say), "Beef...it's what's for dinner".
- David Sobolov has a deep voice that he has used to great effect, voicing roles such as Darkseid, Lobo, and Drax The Destroyer.
- Science has shown this to be Truth in Television. Research shows a strong correlation between the depth of a man's voice and his physical capability. This is due to Testosterone affecting both physical strength and the status of the Larynx. There are notable exceptions, of course, with Mike Tyson, for instance, probably being the most famous inversion, but these are few and far between. Interesting thing to note is that this only applies to men. There doesn't appear to be any strong correlation between the depth of a woman's voice and their Badassery.
- Michael Dorn. His voice has gotten deeper thanks to playing Worf for so long on Star Trek: The Next Generation and its subsequent films, as well as Star Trek: Deep Space Nine.
- MICHAEL JACKSON believe it or not was said to have a pretty deep speaking voice, with the effeminate whimper being a put-on due to how much he disliked it. There are a few videos and voice recordings were it can be heard. This one, for example.
- Voice actor J. Michael Tatum is this, while in Real life he has a medium sounding voice a lot of his roles are deep voiced men.
- Even without the effects added to his voice as RoboCop, Peter Weller has a pretty deep voice suited for such a character. He even voiced another character that's frequently depicted with this trope.
- Kevin Grevioux naturally has a very deep, bass voice that's been put to good use as the aforementioned Black Beetle and Raze, as well as Terrax, the Super-Skrull, and Clayface impersonating Solomon Grundy. He's also Real Life Genius Bruiser, having co-wrote Underworld (and even being the one he came up with the science for it) and wrote the original I, Frankenstein comic.