Hammers used in battle. They come in different sizes, from squeaky mallets to giant sledgehammers. The lighter ones inspire laughs, while the bigger ones inspire terror. Some are thrown, but most are used to pound things into a bloody smear in the ground. It sometimes comes with Shock and Awe due to a certain thunder god.
Used by The Big Guy, the Mighty Glacier, and the Cute Bruiser. Also a favorite of clerics in High Fantasy settings, smashing someone's head in with a hammer often lets them get around the "no spilling of blood" rule enacted by their gods. But really, blunt damage can easily cause bleeding. Imagine breaking a bone with a hammer: there will be blood involved.
Historically, blunt force weapons like maces and flails were far more effective against heavy armor than blades. Real European warhammers featured a beak-like spike on one side for piercing armor, and a flat hammerhead or set of blunt claws on the other for crushing helmets. They bear little resemblance to the massive sledgehammers often featured in various fantasy games, and aren't seen as frequently in fiction. As armor became heavier and more widespread, the use of warhammers rose as well. It is fairly common for characters who use sledgehammer-types as their weapon of choice to be black, probably due to the influence of American folk hero John Henry & African demigod Makoma.
See also the Hyperspace Mallet, the Weapon of Choice for cartoon animals seeking to inflict Amusing Injuries (as well as the angry Anime female's favorite tool against perverts and other sources of irritation). Also see Carry a Big Stick for other kinds of bludgeoning weapons. Not to be confused with When All You Have Is a Hammer, although you can achieve this with a hammer if it's the only thing you have to work with.
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GaoGaiGar's Goldion Hammer is one of the biggest hammers ever in media. Its entire gimmick is a shockwave so powerful that it turns things it strikes into photons, and it's so powerful that GaoGaiGar suffers severe damage just from the backlash of its use, and needs another mech to act as a giant oven mitt to use it safely, which can be seen in the above picture replacing GaoGaiGar's right hand).
In the Expanded Universe, King J-Der is able to use the same hammer in the form of the "Silverion Hammer." King J-Der being a transformed battleship, the hammer, a bit taller than GaoGaiGar, is proportionally the size of a mallet.
GaoGaiGar FINAL features the Goldion Crusher, a hammer with a handle made out of three giant spaceships, and a head roughly twenty times the size of the handle, making it several orders of magnitude bigger than the Goldion Hammer. GaoGaiGar actually hangs off the end of its handle. In a show notorious for its revival of over-the-top shouting and Calling Your Attacks, just imagine how the main characters handled it. Especially when they use it to smash the Sun. This attack is rendered in full beauty in Super Robot Wars W.
Tower of God: Kurudan, wields a really big hammer◊, as you should. Not only that, as a Dansoolsa he can make the impact hit what ever coordinates he pleases, making him a missile launcher.
The Gigantform of Vita's Graf Eisen in Magical Girl Lyrical Nanoha is larger than she is◊. It grows even larger when she uses it with the Gigantschlag attack, to the point that she's barely visible holding it◊. Its standard Hammerform is probably the best for enhancing spells. The Raketenform adds a spike on one end and a rocket-jet on the other for fast and powerful strikes — whereas Gigantform is probably intended for larger, slower opponents, the rocket form is probably for faster, human-sized ones. The last form, seen in Season 3, is the Zerstörungsform, which is a combination of Gigantform and Raketenform, except with a drill on the business end — it's probably intended as an anti-structure weapon, for use against completely immobile but fortified targets like engines.
Graf Eisen's Zerstörungsform is the insane lovechild of the aforementioned Goldion Hammer and the Giga Drill. It helps that Graf Eisen is voiced by TetsuyaKakihara.
Cranked up even more in Force, where Vita gains a new weapon called Warhammer. It's huge and looks like it has a fusion reactor in the middle.
Hopefully it really IS a fusion reactor, since the team of terrorists they are fighting now runs off Anti-magic.
Skuld of Ah! My Goddess with the extendable polo-style mallet she uses for debugging. Which mostly involves chasing around furry hybrid rabbit-insect creatures and pounding them in the head.
Usopp of One Piece fame has three of these: a normal one used for carpentry (though it's a surprisingly good weapon; he managed to beat one of Arlong's Quirky Miniboss Squad half to death with it), the "Usopp Pound", a massive-looking hammer that supposedly weighs five tons but is really two frying pans bound in plastic on a stick that weights 2 kg, and the "Golden Pound", an even bigger hammer, supposedly weighing ten tons, that is really a balloon which pops upon impact.
Zudomon had a massive hammer made of Chrome Digizoid that could kick up energy attacks or be used for good ol' bashing. (It could even be thrown to strike an opponent, and return like a boomerang). In Norse Mythology, Thor's hammer Mjöllnir shared the same properties - it grew or shrank as needed, could be thrown like a boomerang (and hit with the force of thunder when it did). The only thing Mjöllnir lacked was the ability to throw a energy bolt. Considering that Mjöllnir is supposed to be lightning when thrown, the energy bolt isn't so much missing as used differently.
Puppetmon, a child-sized marionette-based Mega-level Digimon, had a (significantly smaller, but still large in comparison to himself) hammer as a weapon. Power Levels being what they are, though, Puppetmon was stronger (Zudomon's an Ultimate, one stage below Mega), so when the hammers collided in one battle, Zudomon's hammer was sent flying and the force knocked him back to his Sleep Mode Size.
And then there's Grumblemon of the fourth season: he can usually be found Dual Wielding giant sledgehammers to knock around multiple, far-larger heroes in a way that'd make Puppetmon jealous.
Lavi of D.Gray-Man has a hammer, maybe six inches long, as his weapon. When he activates it, it grows very, very large, usually with the head reaching human-sized. We haven't seen any specific limit, but he's made it so large that he once demolished a building with a mis-swing. In another instance, he makes the hammerhead as large as a house. He's explicitly mentioned once in response to a reader's question that, since it's his Empathic Weapon, he doesn't notice the weight.
In Ranma ½, the Hyperspace Mallet shows up often enough and in a pretty impressive size — Kodachi uses one with a head about the size of Akane's torso in her first ambush. Shampoo, meanwhile, prefers to alternate between Carry a Big Stick (or two) and wielding a BFS.
The appropriately-named Marie Mjölner from Soul Eater is a hammer when in weapon form.
More like a tonfa.
A possible subversion as we are treated to her nicknames prior, the Demon Hammer and The Crusher. Her name is also a transparent hammer reference. Then when she is unveiled she is shown to look identical to the short-handled Mjölnir. Then the view point pulls back and we realize she is tiny and toy-like. She only grows into a Tonfa when it is revealed that her power is contrary to most hammer wielders, speed.
Daisuke Ido from Battle Angel Alita uses a rocket hammer (it accelerates during the swing).
When Mashiro first appears in Tayutama, she's wielding a significantly-sized mallet. She's a goddess, but still, that's some impressive hammering.
In Demashita! Powerpuff Girls Z, Buttercup wields an oversized Daruma Otoshi hammer with casual ease. As a testament to her strength when transformed and how heavy the weapon actually is, her teammates (working together) can barely lift the thing.
Shin from Dorohedoro uses an average hammer as his main weapon. It is incredibly surprising however the amount of damage that he can do with it.
Vento of the Front from A Certain Magical Index uses a hammer to channel the winds. Sasha Croitsef wields hammers and saws, and she's strong enough to smash through walls with them.
In The Lucifer and Biscuit Hammer, Sir Noi Crezant, the Lizard Knight, has been sent to gain the aid of the great warrior Amamiya Yuuhi in hopes of finding the Princess Samidare and protecting the planet from the incredible 'Biscuit Hammer' poised to crack the Earth in two. They try to destroy it with the Blues Drive Monster, which... also has a hammer. And the hammer's creator himself, when he's finally fought, wields a big spiked one.
Aside from the obvious of Thor and Mjölnir (see below), we should mention Marvel Comics' version as well. In that universe, he is the god Thor.
When the Skrulls tell them that (their) God is on their side, Nick Fury, on Thor's side, responds with "Well, my god has a hammer!" And it was awesome.
Marvel's Thor stories eventually give Mjölnir a twin - Stormbreaker, whose bearer is Thor's brother-in-arms, the anthropomorphic cyborg alien horse Beta Ray Bill.
Also, there was Thunderstrike, given to Thor's temporary replacement for a job well done. Though it was technically a mace.
Honorable mention goes to Thor-El, a one-shot character from the Amalgam series created through a joint effort by Marvel and DC. He was a combination of Thor and Superman, and used a hammer, but if its name, if it had one, wasn't mentioned.
In Fear Itself, a bunch of Hammers like Mjölnir have appeared, for those of the "Worthy", designed by The Serpent and for those of the "Mighty", those hammers made by Odin and his dwarves after a deal with Iron Man.
Then there's the perfectly ordinary sledgehammer that Deadpool gives the Walrus, covered in rhinestones and glitter-glue to convince the Walrus he's been chosen as Worthy. Since Deadpool's miniseries in Fear Itself was written by Chris Hastings, it turns out to be a magic sledgehammer that can kill werewolves...
Thor used to have a debilitating weakness: if he let go of his hammer for more than a minute, he turns into doctor Don Blake, with a crippled leg and a limp (and presumably a dry wit and acid tongue), and the hammer turns into a flimsy walking stick. Essentially, House. Fortunately, this was removed (after Odin felt that Thor had earned it), thus making Thor practically invincible.
Slapstick's primary weapon is his oversized cartoon mallet.
The main character of the italian comic Cattivik uses a large wooden (or sometimes steel) hammer in order to mug people. And he often ends up being hit by it or being forced to swallow it, courtesy of a particulary large, victim.
In the Astérix series, village blacksmith Fulliautomatix is often wielding his hammer when charging into battle with Romans or a fight with his fellow villagers (most likely Unhygienix the fishmonger).
In Oldboy, Oh Dae-su fights a corridor filled with mooks using only a claw hammer. He later uses it for some improvised dentistry.
Subverted in one scene in the remake of Dawn of the Dead (2004): Michael discards his (almost certainly more useful) crowbar in exchange for a croquet mallet, and then promptly gets jumped by a zombie. As expected, the mallet promptly breaks across the zombie's head without fazing it; he ends up killing it by driving the broken-off mallet-handle under its chin and through its brain.
Braveheart: A rather darkly funny example here. In an early fight scene, Wallace is being chased by an Englishman with a sword; he picks up a large warhammer, making the Englishman soil his armor and run for it. The guy doesn't make it. By the first actual battle scene, he's acquired his massive honkin' claymore.
Played with in Adventures in Babysitting. At one point an auto mechanic is required. He arrives in a descending cargo hoist, carrying a sledge hammer and looking very much like the pictures of Thor (Marvel-style) that one of the children has been drawing, but never actually uses the hammer for anything beyond being a thematic prop (and an excuse to show off substantial muscles by toting it like it's nothing).
In The Wild Hunt, Bjorn carries around a gigantic sledgehammer he calls Mjölnir, which is not made of foam like the other LARP weapons. Unfortunately Bjorn proves to be an ineffectual coward when things in the game go bad. In the end, however, he uses it in brutal fashion to avenge his brother.
This is the serial killer's weapon of choice in The Chaser.
The Driver in Drive brings a claw hammer to put the hurt on a criminal flunky. He crushes the guy's hand and threatens to hammer a bullet into his skull.
Manu in [REC] uses a sledgehammer as a weapon against the infected. The Medeiros girl appears to be using a hammer as a weapon during the finale.
In Savior, in the scene at the beach, the marauders' brute uses a huge hammer to deliver the killing blow to Vera .
In the anthology film Body Bags, in "The Gas Station" segment the killer gains access to the locked gas station booth by bashing the front window in with a sledge hammer.
Durnik in The Belgariad, as a blacksmith, wields a hammer. Later, when he becomes a disciple of Aldur, his silver amulet is decorated with a hammer. His Crowning Moment Of Awesome just before being handed the amulet was to pulverise a demon lord with guess what weapon.
Robert Baratheon's signature weapon is a large warhammer said to be so heavy that few men were able to lift it. Robert wields this one-handed with a shield at the Battle of the Trident and kills Rhaegar Targaryen with a blow hard enough to crush his breastplate.
Similarly, Donal Noye, the one-armed blacksmith of the Night's Watch, uses a warhammer in the battle against the wildings. He also happens to be the person who forged Robert's hammer.
In A Dance with DragonsBig Guy Archibald Yronwood wields a great warhammer.
"Grond", Morgoth's "Hammer of the Underworld" in J. R. R. Tolkien's The Silmarillion is a mace in some adaptations, a hammer in others. Not to be confused with the giant wolf-shaped battering ram named after it that features in Return of the King, despite equal massive smashiness.
Drizzt Do'Urden's friend Wulfgar wields a huge magical warhammer called Aegis-fang in battle; aside from him being strong enough and the hammer being powerful enough to stagger a giant when he throws it, it returns to his hands after it's thrown.
In another D&D campaign world's novels, the smith from the Majere brothers' home town certainly used a hammer in fighting before he had his hand cut off by the dragonarmies' soldiers. Later, he wound up with the Dwarven Hammer of Kharas which (when used in conjunction with the Silver Hand the returning gods blessed him with as a replacement) allowed him to forge new Dragonlances.
Perrin Aybara in Robert Jordan's The Wheel of Time often finds himself choosing between a blacksmith's hammer and a battleaxe, each representing the sides of personality able to create and destroy. In Towers of Midnight, he trades in his blacksmith's hammer for Mah'alleinir, a massive warhammer that is is also the first weapon forged with the One Power in three thousand years.
In the Malazan Book of the Fallenverse by Steven Erikson and Ian Cameron Esslemont, the Ascendant Caladan Brood wields a great hammer so badass that it has the power to awaken the sleeping earth goddess Burn (whose body is apparently the earth itself). No one wants Brood to Drop The Hammer any time soon...
The preferred weapon of Baron Edmund Talbot, aka Charles the Hammer, former ruler of Anarchia, in John Ringo's Council Wars series.
A picture book called Little Rabbit Foo Foo depicted the rabbit as using a motorcycle and a net to scoop up the various other forest dwellers, and then a hammer to "bop them on the head".
In The Reynard Cycle, the smith priests of Fenix the Firebird wield war hammers when they go to battle.
A long handled hammer is the weapon of choice for most of the characters in The Runelords books. The description of the weapons, however is somewhere between a medieval poleaxe and a military pick.
1632 has some Scottish mercenaries deciding that ogling the wife of Tom Simpson is a bad idea for many reasons including the fact that Tom is a very big, muscular man (he was a college football linebacker who was just short of making it in the NFL). When one of them asks Tom out of curiosity what his weapons of choice would be in a duel, he responds with "ten pound sledgehammers".
Khynan Rhys Gower, of Time Scout, prefers a war maul for a close quarters weapon. He'll substitute a croquet mallet if he has to.
1066 and All That has an illustration showing Edward I, "Malleus Scotorum" (Hammer of the Scots), raising a hammer over a Scotsman's head.
Novak, the anti-hero of the zombie noir Undead on Arrival, uses a small sledgehammer in his offhand. Additionally, other fighting men are described as carrying "guns and hammers." Makes sense, as after a zombie apocalypse, you take what you can find and there are hammers everywhere.
Grayson Khnum in Void Forge uses a sledgehammer in the first half of the book, and later upgrades to dualwielding it with a warhammer.
The Umbilical Brothers have an act that involves a few hammers hitting a koala puppet (the show this appeared on used the trio of puppets as pseudo-mascots and the koala (as he mentions during the act) was always on the receiving end of some rather brutal actions by the other two who were known - aptly - as the Threatening Bears): http://www.youtube.com/watch?v=Azwjs931nmM
As Sheriff Sam Cade in one of the episodes of his 1971-1972 modern western TV series, Cade's County, Glen Ford had to do battle with a recalcitrant miner in front of a hostile group in a miners' bar with both of them using the supposed miner's weapon of choice, a pick hammer.
Buffy the Vampire Slayer, season five. The magical troll hammer that even Spike has trouble lifting. Buffy can swing it like a ten pound maul. And does so, repeatedly, on Glory in the finale. Also, at the start of season 2, vampires have exhumed The Master's skeleton as part of a ritual that involves messing with Buffy's mind, a sledgehammer that was wielded by one of the vampires she slew presents a perfect opportunity for her to work out her remaining issues while making him Deader than Dead.
Not quite! In the comic it's shown that he's actually been alive again for quite a while.
Top Gear: While he has never used it in battle, per se, Jeremy Clarkson's tool of choice during a challenge is, has been, and always will be a hammer.
In Game of Thrones, Robert Baratheon is mentioned as having wielded a warhammer in battle. This trait seems to have passed on to Gendry, his illegitimate son, who likewise wields a blacksmith's hammer to crack the skulls of some Goldcloaks.
Jon Snow wields a blacksmith's hammer in desperation when his sword Longclaw is knocked away during the Battle of Castle Black.
Alright, with the exception of the singer, there are no actual hammers in the song. Let's just get the joke out of the way.
Steamhammer Sam, who'd have guessed you'd be an unhappy man?
Maxwell Edison (majoring in Medicine) in The Beatles' "Maxwell's Silver Hammer." He wields a silver hammer that goes "bang bang" and then "clang clang" when it comes down upon his victim's head. It makes sure that s/he is dead.
Parodying the old folk tale of John Henry is the Arrogant WormsFilk Song “Steel-Drivin' Man” about Mike McCormick, a feckless layabout who for some reason takes John Henry's place in the tale, only to get crushed by a falling meteor in the middle of losing badly to the spike-driving machine.
“If I had a hammer, I'd hammer in the morning, I'd hammer in the evening…”
You can't drop the hammer without mentioning the mighty HammerFall. The band name, songs like “Hammer of Justice,” “Let The Hammer Fall,” “Reign of the Hammer,” “Raise the Hammer,” and “Bring the Hammer Down” (Slam it down to the ground). Suffice to say, the guys love hammers.
The “Steel-drivin' Man” John Henry, who faces off against a steam drill using nothing but a hammer.
The legend of John Henry may or may not have been inspired by legends passed down from former slaves about Makoma, a West African mythic hero who used an iron sledgehammer to fight giant monsters. Probably best known in the Northern hemisphere for his legend being adapted as a Hellboy comic.
The Finnish sky-god, Ukko, wielded a hammer called "Ukonvasara".
Triple H's foreign object of choice is a sledgehammer, although he usually thrusts it at his opponent/beatdown target, as an overhand swing is too dangerous.
Key word being "usually". When Randy Orton made the mistake of punting not just Vince McMahon (which would be bad enough for Orton if he hadn't won the Royal Rumble a few days later and locked in a WrestleMania title shot) but Trips' wife Stephanie McMahon as well (and defeating Shane in a match the previous night), he went on a Roaring Rampage of Revenge with one the next week which The Legacy narrowly escaped without major injury.
An even earlier example of Triple H using not only an overhand but an overhead swing is against Vince McMahon at Unforgiven '06. DX has just been through a Hell in a Cell match versus Vince, Shane McMahon, and The Big Show. After leaving Shane and Show bloodied and lying prone on the mat, Shawn Michaels and Hunter turn their attention to Vince. Hunter raises the hammer over his head and brings it down so hard on Vince's back that it cracks in two. Whether or not that was meant to happen, the "HOLY SHIT" look on Hunter's face is priceless.
Dungeons & Dragons: Hammers and maces tend to be less effective than swords and axes, but they are still often used for a variety of reasons.
Clerics in First and Second Editions have a restriction to only use blunt weapons, based on the apocryphal story that Crusades-era holy men used blunt weapons on the battlefield to get around a restriction against drawing blood.
In Third Edition, clerics are no longer limited to blunt weapons, but warhammers and maces are some of the best weapons available to them as a default. In particular, the Minotaur Greathammer is one of the few weapons considered worth spending a feat for proficiency on.
There are certain types of enemies that take greatly reduced damage when not struck by a particular type of weapon. One of these (usually possessed by skeletons) is bludgeoning damage, so prepared adventurers will bring a mace or hammer along just in case.
In Fourth Edition, any Dwarf can use the warhammer and throwing hammer regardless of class. Getting up close and personal with a Dwarven wizard or warlock may not be as good an idea as originally thought.
In Fourth Edition, the two-handed Mordenkrad is a superior weapon and has the Brutal 1 trait, allowing users to reroll 1s on damage dice until a 2 or more is reached.
There's a reason it's called Warhammer, you know. The titular weapon is named Ghal Maraz (Dwarf for "skull-splitter") and was wielded by Sigmar Heldenhammer, the Empire's founder-turned-god with a hammer for a holy symbol. Stat-wise it's one of the nastiest weapons in the game. The Dwarfs additionally favor hammers as much as they do axes. Incidentally, Heldenhammer is German for "Hero-hammer," which was Warhammer's nickname during the character-centric 4th and 5th Editions.
Thunder Hammers, though cumbersome, are wrapped in an energy field that delivers an electro-sonic shockwave with every impact, stunning anything hardy enough to survive a blow from them. The Inquisition's Ordo Malleus ("order of the hammer") makes use of consecrated variants when they go out Demon Slaying.
The Salamanders chapter of Space Marines are known to prefer Thunder Hammers along with flamers and melta weapons, it helps to reinforce forging and smithing motifs.
Orks being Orks, their Tankbustas' "tankhammers" are nothing more than rockets on long sticks they bludgeon enemy armor with. Given their ranged accuracy, this is a more reliable way for them to get tank kills.
In the Horus Heresy novels, Eidolon of the Emperor's children wields a big-ass hammer.
Speaking of the Emperor's Children, their primarch Fulgrim created one named Forgebreaker, which was used by three primarchs.
Naturally, the Dawn of WarRTSes include thunder hammers; the main character gets a Daemonhammer (the aforementioned consecrated variant) in the first game, and in the sequel thunder hammers are the best melee weapons in the game. Incidentally, before Dawn of War, there was no rules-applicable way for Space Marines (outside of Tactical Dreadnought Armor) to wield thunderhammers. After Dawn of War made it look cool, future editions expanded rules to include that option.
Exalted, naturally, not only has hammers, but big fucking hammers made of one of the five magical materials. These are called Goremauls. The Abyssal signature character Falling Tears Poet is often seen carrying one that could probably fell an elephant in one blow. The Grand Goremaul is even bigger than the average Goremaul and could be used to smash out the front door and back door of your house in one blow.
Fudge suggests allowing heavy metal blunt weapons like hammers and maces to ignore half of armor's damage resistance, making them better than sharp weapons when dealing with people in heavy armor. Like almost everything in Fudge, this is provided as more of an idea for GMs to use if they like than a hard-and-fast rule, but it's there.
In Cyberpunk: 2020, there was a rocket sledgehammer... with a two use solid fuel rocket in the head, you start it swinging to aim and press the button on the handle, then hang on.
Werewolf: The Apocalypse featured one tribe, the Get of Fenris, who were descended from Nordic stock, and conflated Norse mythology with the Garou's animistic view of the world. Artifacts of the tribe included the Jarlhammers, seven unique and immensely powerful "fetishes" (imbued items or weapons). There were also non-unique "Lesser Jarlhammers".
In the Fighting Fantasy gamebooks and the RPGs based off them, monsters like Stone Golems and Crystal Warriors cannot be harmed by edged weapons and must be destroyed with maces or warhammers.
GURPS: Ultratech has rocket boosted warhammers that increase the force of impact.
There are a few hammer artifacts in Magic: The Gathering. One from the Mirrodin set has the unusual distinction of killing both the wielder and the target.
Rolemaster averts the 'big block of steel on a stick' style of War Hammer, depicting it as a quite realistic long-handled weapon with a smallish hammer head and a back spike (The Standard System edition even includes a picture). It also included a similar War Mattock, which is a two-handed weapon, as opposed to the one-handed War Hammer.
Mutants & Masterminds has the villain, Hexenhammer. His preferred weapon, also called the Hexenhammer, is designed to shut down or seriously weaken the abilities of any magical character who gets hit with it. (Considering that the name is rather obviously inspired by the Malleus Maleficarum, this shouldn't come as a big surprise.)
In Wrecking Crew, Mario's (and Luigi's) ordinary hammer was good against walls but not enemies, but the secret Golden Hammer could stun enemies and demolish any wall in a single hit.
In the original Super Mario Bros. game, Bowser had the ability to throw hammers at Mario/Luigi in a similar fashion to the Hammer Bros.
The Mario & Luigi games have Bowser's Memory ML (In Mario & Luigi: Bowser's Inside Story) who throw hammers as a reference to the first Super Mario Bros. game, and the giant boss Earthwake in Mario & Luigi: Dream Team. The latter is slightly different though in that the boss itself becomes a gigantic (aka tower block sized) hammer to attack an equally giant version of Luigi, who has to use his own hammer to block the flying one coming swinging towards him.
Shao Kahn from the Mortal Kombat series uses a big hammer to knock foes into next week.
Although Raiden usually used a staff for a weapon, in Mortal Kombat 4 he used a hammer, then left it on top of a tower the size of the Empire State Building, where anyone who wants to can use it.
Silent Hill 1 features a huge emergency hammer that's the best melee weapon. It resembles a medieval war hammer, and Harry sensibly uses the huge, pointy spiked peen For Massive Damage instead of the flat side.
Will also uses hammers as his main weapons, though being a mage, he seldom uses them for direct attacks.
Poisson in Tales of Graces takes the hammer usage to an extreme, wielding one as a weapon and utilizing Pow Hammer, Pow Pow Hammer, Pow Rain, and their status inflicting variations.
Hammers are one of the three weapons that Ludger (the protagonist of Tales of Xillia 2) can use. They're rather small compared to the ones utilized earlier in the series, but he's able to swing them a lot faster as a result.
In Angband, priests were discouraged to use cutting or piercing weapons (the Church disapproves of shedding blood, it said). So, naturally, they had to use different blunt weapons. Hammers were not at the end of the list. Plus, there's Morgoth's hammer Grond, which collapses walls around it when swung.
Hammerin' Harry featured a construction worker with a wooden hammer bigger than his head. There was a power up that made it even bigger than his body.
In Castle Strike, the old king from the first mission arc wielded a hammer in battle
"where I strike, the graaasss neeevehr groows again!"
EverQuest's clerics have an animated hammer as pet.
The Super Smash Bros. series have Mario's black hammer from Donkey Kong, and Brawl added a Golden Hammer from Wrecking Crew. A character's size has absolutely no effect on whether they can wield the hammers, meaning a Super/Poison Mushroom can result in the user wielding a comically under/oversized hammer.
The Ice Climbers both wield mallets to break ice (and the heads of their foes in Smash Bros).
Mr. Game and Watch uses them for his downward smash attack and Judgement special. In the case of the former, it actually knocks foes farther if the hammer hits near them as opposed to hitting them directly, though a direct hit launches foes at a low angle that can be difficult to recover from.
King Dedede uses a hammer as his weapon in the games. And Kirby can also get a hammer Power-Up (Widely considered to be the best ability in Super Star/Ultra) by inhaling some opponents. They both use them in Super Smash Bros..
One of Kirby's abilities as Yo-yo is called Hammer Drop, although it doesn't have anything to do with a hammer, besides looking like a single-hit Metronomic Man Mashing.
Interestingly, the Colonel notes that despite looking like a big wooden mallet, Dedede's hammer is an incredibly advanced and powerful weapon that Dedede is very good at using.
The paladins Dual Wield a war hammer and a lance in Warcraft II. They switch to just humongous sledgehammers in Warcraft III. In the latter case, their twenty-inch biceps are justified, seeing as how the hammers' heads are the size of small ovens.
The Griffin Riders from Warcraft II and III who have an infinite supply of giant hammers to throw at the enemy. For bonus points their quotes reveal that the "warhammers" cost "40k".
Thrall's predecessor, Orgrim Doomhammer, whose family has wielded the Doomhammer for generations.
In World of Warcraft's end game, one-handed maces (the weapon class which includes hammers) are often designed for healers, playing off the old equation of maces with priests.
Rogues can use maces, albeit one-handed maces. But then again, the icon for the technique Sap is a blunt weapon, so they're probably used to incapacitate enemies.
And in regards to the Warcraft III reference above: There are plenty of paladins (and shamans, and druids, and some warriors and death knights) who still use maces. Before some of the later Burning Crusade raids went live, this was considered one of the best weapons in the game for retribution paladins. (Do a Google Images search for "Vindicator Maraad.")
In the Halo series, BruteChieftains wield Gravity Hammers, as a direct contrast to the sword wielding Elite Zealots. Both the Gravity Hammers and Plasma Swords are based off of ceremonial weapons, and are typically one-hit kill weapons. Tartarus as Chieftain of the Brute race wields an especially powerful hammer. Starting in Halo3, they can be picked up and wielded by the player.
Keeping with its “game that took RPGs out of the dungeon” motif, the most powerful melee weapon in Fallout is the sledgehammer (and the super sledge, a pneumatic version.)
In the Summon Night Swordcraft Story series, the smith's hammer is the weakest weapon possible - it's the weapon you're forced to use before you forge any real weapons and if all your proper weapons break, and being reduced to it in a duel is a loss.
Shows up in other Soul Calibur games, generally in Astaroth's hands as the Great Maul. Decidedly not a joke weapon.
Morrowind features warhammers that range from small and wimpy (the ones made of chitin), to medium (the b&hammer), to Infinity Plus One (the Daedric and the Sixth House Bell Hammers).
Special mention goes to Stendarr's Hammer in Mournhold's museum, in the Tribunal expansion. While not practical for the player to wield, that's still a really big hammer.
See also Volendrung, which has appeared in every single game in the series. A huge warhammer forged by the Dwemer (called "dwarves" in world... by the giants; their stature was on par with any other man or mer) and blessed by the Daedric Prince of Pariahs, Malacath, in its Skyrim incarnation it has the ability to absorb its victims' Stamina, allowing its wielder to abuse Power Attacks.
Guards: What do you intend to do with that hammer, friend? Knock down a house?!
According to lore, a Dwemer chieftain once threw Volendrung across Tamriel, vowing to settle wherever it landed, leading to the establishment of Volenfell as the western most outpost of the Dwemer. After the entire Dwemer race disappeared during the Battle of Red Mountain, the area was eventually resettled by the Redguard, who renamed it Hammerfell.
The models almost universally follow the historical hammer design, with a spike on one end and a short, narrow blunt head on the other. Some hammers vary in design; for example, the iron, orcish, and daedric versions' blunt ends feature small spikes on the hammerhead, presumably to help punch through armor. The dwarven warhammer is blunt on both ends. The elven warhammer's blunt end is hooked slightly, resembling a hawk's beak (all the elven gear has a bird motif to it) and looks like it could be used to hook and pull. And Volendrung just looks like anything you hit with it is just going to have the worst day ever.
Skyrim's maces and warhammers also cover the effectiveness of blunt weapons against armour via perks in the one and two-handed skill trees, each perk giving them increasing ability to ignore enemy armour value.
The Dawnguard DLC adds dragonbone weapons, including the Dragonbone Warhammer which is a dragon's femur attached to an ebony handle.
The War Mace powerset in City of Heroes doesn't specifically use a hammer, but since a recent update it has become one of the custom skins for the weapon. (along with a shovel) The Stone Melee powerset also includes two powers, Stone Mallet and Heavy Mallet, which involve a big two-handed hammer formed out of stone.
Saavedro's hammer. Ask any Myst fan worth their salt, and they'll tell you that while dear old Saavy's hammer might not be the biggest or most Badass, it can still inspire some serious skull-smashing terror.
Vulcan's Hammer is a staple weapon of the later Wizardry games, and is an excellent weapon for the early-to-middle parts of the games, though it tends to be outclassed later on. Lesser hammers and maces are also present but generally unexceptional.
In the Fable series of games your character can wield progressively more awesome hammers as they go up in level. There's the Hero of Strength, Hammer who uses a massive hammer from a statue as a primary weapon.
The third game in the series reduces the different types of weapons you can use in melee to swords and... well take an educated guess.
Baldur's Gate II features the +3 Hammer of Thunderbolts, which requires peak human strength to wield. As if that wasn't bad enough for whoever's on the receiving end, with a scroll, Gauntlets of Ogre Power, and one of the Giant Strength belts, you could turn it into Crom Faeyr, an Infinity Plus One Hammer.
Best thing about Crom Faeyr? It is one handed. So you can wield an infinity-plus-one whatever in the other hand For Massive Damage.
The only non-blade weapon in Bushido Blade was the hammer, an almost polearm-length weapon which was slow, but would rapidly crush through your opponent's guard with repeated strikes. Oddly enough, the best character to give it to was the Fragile Speedster of the group, Tatsumi, as his speed overcame his low strength to allow fairly rapid strikes.
Dwarf Fortress features several varieties of mace and war hammer, which trade a reduced One-Hit Kill probability compared to slashing or piercing weapons for a better chance of causing knock-back; high-level mace- or hammerdwarves can launch enemies into nearby walls with enough force to reduce them to Ludicrous Gibs.
In addition, a noble/vigilante called the Hammerer shows up once your fort hits a certain population, and starts dispensing his own brand of justice if your guards aren't doing their jobs. As the Hammerer has no use for sissy notions like "restraint," this tends to result in dead dwarves; once the Hammerer arrives, you're better off making that prison and assigning guards if you've previously been putting both things off (since the penalty for unpunished crimes was mostly limited to unhappy thoughts in a few useless nobles, and that could be countered with enough bling).
In the current version, blunt weapons in general but war hammer especially are also (as in real life) the best weapons against heavily armored foes, being able to deal nearly as much damaged to adamantine armored foes as ones with silver armor (the worst kind). Additionally, the effectiveness of such blunt weapons is largely determined by weight, so a "silver hammer" is quite an effective weapon, and an artifact weapon made of gold or lead is utterly terrifying. (While, ironically, adamantine is so light, a hammer made of the substance is useless. Unless you can see to it that your Hammerer starts wielding it..)
Although he isn't in your party for very long, Cid Polledina wields hammers in Final Fantasy IV.
The number of characters that are likely to wield hammers at some point of the game are greatly increased in the sequel, including his apprentice Luca, the ninja Gekkou and possibly even Golbez.
The protagonist of the aptly named, but sadly canceled, Project H.A.M.M.E.R.
The weapon of choice for Shiki's father Nanaya Kiri according to one of the Kagetsu Tohya side stories. He knows it's not really an assassin's weapon, but he likes it. Plus, he's such a badass that it doesn't really matter what he fights with.
Innumerable games make reference to Thor's Mjölnir - like NetHack, where it also strikes with lightning bolts and is probably the best Neutral weapon in the game (and is certainly so for Priests, who are restricted in all bladed weapons).
The Thumper from MDK – a Hyperspace Mallet the size of an outhouse, used by Kurt (the protagonist) to smash all enemies that get too close.
The Red Faction in Red Faction Guerrilla has the standard-issue colonial sledgehammer on their flag, and for good reason; it's an effective and useful weapon that never runs out of ammo, and with the extra strength from the low gravity, a man can kill someone or bust through concrete in a single good smash. There's even an achievement for smashing a hundred EDF soldiers in the campaign with it, upgraded versions you can buy, and in multiplayer it ends up useful in all game times.
Low gravity reduces weight, not mass... Nevertheless one could kill someone or bust through concrete with a single hit, just like on earth.
Best used when combined with the elbow drop, which lets you Drop The Hammer from the top of the Empire State building.
This is one of the weapon types in Avalon Code. Its charge ability is to spin round and round and then throw it — while holding onto it — which somehow allows the wielder to fly. Coincidentally or not, this was the original explanation for how Thor from Marvel could fly — you know, back when the writers were insane.
Bouphua from the Hamumu games uses a hammer most of the time. In one of the games, his hammers had special powers, like shooting superheated steam, zapping bolts of green electric homing bolts, and projecting energy shields, among others.
Mauls can be used by Two-Handed Warriors in Dragon Age: Origins and Dragon Age II, (alongside massive axes and the old-fashioned BFS). They're good for taking on opponents in heavy armor like golems.
The Mass Effect 3 Reckoning DLC includes the Krogan Warlord, a multiplayer character with a biotic hammer.
In Team Fortress 2, the Pyro eventually received a sledgehammer called the Homewrecker, which does extra damage to buildings but isn't as effective against enemies as the axe. It wasn't too popular, as Sentry Guns (the buildings you're in the biggest hurry to destroy) push you back while shooting at you, until the ability to take out sappers on friendly buildings was added. An automechanic-themed update features the Powerjack, a makeshift hammer made out of a tire jack and a car battery, which doesn't get random Critical Hits, but with a kill restore 75 HP (even going into overheal.)
One of the four weapon types in Children Of Mana is the hammer. Its unique ability is to smash large objects.
In Assassin's Creed II, hammers and mauls can be used as Ezio's main weapon in place of single-handed swords. Hammers and mauls swing more slowly and are less effective on defense and countering, but are much more effective against heavily-armored elites.
In Purple, hammers are a common and most powerful weapon. It's just too bad it's short-ranged.
A gigantic clockwork hammer is the trademark weapon of Malice, originally a very hyped Xbox launch title before a detour through Development Hell.
Hammers are popular in Vindictus. Tank character Fiona can use a one-handed hammer, starting at level 24. The first challenging boss on the Perilous Ruins beginner missions, the Gnoll Chieftan, uses a massive two-handed hammer larger than the player character. Many Gnoll bosses on higher-level missions use similarly massive flaming hammers. Starting with the Ruins of Sanctity missions, Gnoll mooks start using big two-handed hammers as well.
Use of hammers is handled realistically — packing a massive amount of damage, but slower, more cumbersome, and easier to evade than swords or one-handed clubs. The game AI even emulates the effects of fatigue on bosses that use them. Fiona's one-hander is smaller and lighter than the two-handed Gnoll versions, allowing her more speed and agility by comparison, but causing less damage.
Poppy from League of Legends uses a hammer that's as big as she is. She calls it Whomper. Sion also swaps his axe for a huge mallet in his Hextech Sion skin. Items you can buy from the shop also include the Phage, a large wooden mallet, and its 2 upgraded versions, the Frozen Mallet and the Entropy.
Probably one of the largest hammers compared to the user's size appears in Touhou Hisoutensoku. It is one of ice fairy Cirno's high-end spellcards, and the head is practically AS LARGE AS THE GAME SCREEN ITSELF. There is also a minor meme based around this spellcard; "CIRNO SMASH PUNY [X] WITH GLACIER MALLET."
One of Alice's weapons in American McGee's Alice is the Croquet Mallet, which she can either use like a bludgeon or to launch a lethal croquet ball at an enemy.
In the sequel, Alice: Madness Returns uses a Hobby Horse for a gigantic sledgehammer in-game. Turning the game's Physx settings to Medium and above will display more prominently its destructive capability.
Speaking of Ace Attorney, Ace Attorney Investigations 2 features a judge named Hakari Mikagami who carries around a gavel with a telescoping handle that she regularly extends to the size of a croquet mallet and clobbers people with.
In Serious Sam 3: BFE Sam's only melee weapon is a sledgehammer.
Zero gets one named T(itan) Breaker in Mega Man X 8
The Mega Man Battle Network series has the recurring Hammer and God/Zeus Hammer battle chips. The former is rather lackluster, being a weak short ranged weapon, but the latter hits everything on the battlefield for high damage (Including Mega Man himself, though this can be circumvented). Guts Man.exe is also capable of transforming his hands into a hammer, which he uses to create shockwaves, destroy your panels, or make rocks fall, depending on the game.
Dokoutsui from the second Onimusha title. So powerful that it summons an earthquake when you use the magic attack.
Sven's Storm Hammer ability. Only a hammer in name, however - it's described as being a "magical gauntlet".
The Skull Basher, Mjöllnir, and Maelstrom items.
Warhammer 40,000: Space Marine allows you to wield a giant hammer, and jump pack, letting you drop out of the sky and slam down in the middle of enemies.
Shinjiro from Persona 3 uses axes and hammers. In the FES and Portable remakes, you can fuse the persona Thor into a weapon to gain Mjölnir, which is kind of useless in Portable because the Protagonist can no longer wield different weapon types, just one-handed swords (for male protagonists) or naginatas (for female protagonists). Shinjiro leaves the party usually before you can create Mjölnir because he's dead/in a coma.
Gods Eater Burst lets you build giant hammers to field in place of a BFS. Just the haft is nearly as long as the average user is tall, and the head could pulp a person in one blow.
Skylanders has Stump Smash, whose hands are hammers...which are extremely effective for taking down normal enemies. The name of this trope is even his Catch Phrase! There's also Crusher, who wields a giant hammer that's basically a slab of stone on a stick.
Shank can find a huge wooden sledgehammer by the end of his second game. It's extremely powerful, as it deals high damage and easily can stunlock even large foes and even some bosses.
Metal Fatigue features the Mil-Agro Hammer Arm, which is basically a Humongous Mecha-sized mallet made of solid iron. Slow, but powerful, and the amount of added armor value is fairly substantial. It turned out to be not quite as useful against enemy Combots because of its low sever chance and the sheer utility of the dismemberment feature, but it squashes vehicles in one slam like no one's business.
Mount & Blade and its expansion Warband feature a wide variety of one-handed and two-handed hammer weapons. Basic models included the one-handed hammer or military hammer, up to tougher stuff like the maul, sledgehammer, or great hammer. The latter three smash through attempts to guard and deal phenomenal amounts of damage even against heavy armor users. They also knock enemies out instead of killing them, so you can take prisoners and make up the cost of your army in ransoms. Rarely, a polehammer will show up, which is both god-awful slow to use yet absurdly powerful. It effectively ignores all armor types (it gains a bonus against the most powerful protection in the game, plate and chain armors), and the only armors that provide meaningful resistance to its damage type don't provide enough raw protection to stop the sheer amount of damage it deals.
Unturned has a sledgehammer, the most damaging weapon in the game and oddly light-weight, about 10% of what one weighs in Real Life. It is also extremely potent at destroying structures, second only to explosives.
Warframe features the Fragor, a Tenno-crafted warhammer, and the Jet Kittag, a Grineer-crafted, jet-powered warhammer. They are the heaviest melee weapons in the game, and as such, they usually only appear in the hands of Rhino, since he's the only frame who is sturdy enough to survive long enough to hit the enemy with it. However, they are hands-down the most powerful melees in the entire game, capable of easily pounding the most dangerous foes in the game into crudeburger and coming with an enormous knockdown Ao E on their jump attack.
For that extra punch, RWBY's Nora Valkyrie has a grenade launcher/hammer. From afar or up close, something's going "Boom."
Durkon Thundershield from The Order of the Stick. Being a Dwarven Cleric of Thor, it's not surprising that he wields a one-handed warhammer. He's overall more a healer than a warrior, but he has the ability to occasionally grow to positively gigantic proportions when muscle is desperately needed. His hammer grows along with him.
The fact that it grows along with him is justified in that Order of the Stick is based on D&D rules, and all of the size-expansion spells make equipment grow too.
Bo the Sheep and her Ramrod, from Bleedman's Sugar Bits.
Susan in El Goonish Shive and her friend Sarah were fond of the Hyperspace Mallet, until the writer got tired of that particular joke. (A Q&A strip explicitly stated that it could only be used for comedic circumstances, though. Tedd's bugging her, that's one thing. Get mugged in an alley or need to sneak into the Big Bad's lair, though, and it pays to know a Half-Human Hybrid who exemplifies Beware the Nice Ones...)
Comedy relief part was dropped later, but it's confirmed that the Hammer-call works only if the would-be target is male and does something offensive specifically towards women, so the indiscriminate violence of random muggers and sentinels doesn't fit. This depends on the perception.
After the immortal Jerry disables the Hyperspace Mallets (having been the one who created them in the first place), Susan gains a spell that lets her recreate them for her own use against anybody.
Ronson from The Gods Of Arr Kelaan is an odd case. His hammer is a tiny pink rubber mallet that can kill gods. It was originally some sort of transforming artifact and when he got ahold of it he thought of a mallet, and it got imbued with his divine power or something.
The Arkenhammer, one of the Tools of the Titans in Erfworld. It can tame mighty dwagons, summon lightning through The Power of Rock, perform other magical feats, and is a formidable weapon in close combat. In keeping with the outwardly cutesy appearances of everything else, however, it's also a plastic toy squeaky mallet. As one fan put it: "It's only a toy if you're a Titan; mere mortals have to settle for using it as an insanely powerful artifact."
And it turns every fifth walnut it cracks into a pigeon.
And supposedly every fifth bird it kills into a walnut.
All the main characters are given a chance to set their weapon specialty for the rest of the "game." John, picks the hammer mostly because it allows him to free up space in his inventory, commenting that he "can't imagine it's going to be all that relevant."
And later, through other means, he gets the awe-inspiring Warhammer of Zillyhoo. Even later than that, he enhances it with the Fluorite Octet, Vriska's extremely powerful set of magic dice. It has proven to be really, really nasty, and to have hilarious side effects; one blow is enough to not only knock off 10% of Hero Killer Jack Noir's health bar, but also put him at risk of an encounter with an elf, a pony stampede, or, as ended up happening, the bestowal of a ridiculous hat.
Hanna of Hanna Is Not a Boy's Name wields an ordinary hammer that he has customized with some runes. While the runes don't seem to have any flashy magical effect, the hammer is just as effective at wounding vampires as it is at pulling out nails.
Just like the Hisoutensoku example above, Cirno uses a hammer made of ice with a MASSIVE head in Touhou Nekokayou. The minor meme described above is essentially her battlecry when using it.
Many moderators and GMs in numerous forums and mmorpgs tend to refer to their use of their authority to ban rulebreakers, cheaters, and trolls as "wielding their Banhammer." This tendency is widespread enough that a whole category of image macros depict offenders being struck by Banhammer-wielding moderators. In some instances, permanent bans are depicted as the Mods using a Permaban Crusher that is clearly modeled after the Goldion Crusher.
Mario and Luigi use them as sub-weapons, and Mario has unleashed the righteous fury of the Hammer Brother Suit.
From Open Blue, Admiral Flota Vladimir Ilyavich Tokarev, HERO OF THE TRIBES, uses a Maul, a giant warhammer, in personal combat.
Whateley Universe examples: the superpowered mutant Sledge wields a big sledgehammer, and as fits the trope, is a Scary Black Man. Donner is Swedish, has trouble with English, and wields a warhammer much like Thor, right down to the Marvel Comics trick of hurling it (well, using Energizers powers to move it through the air) and letting it pull him after.
Mortal from The Insane Quest uses a hammer for fighting. He keeps insisting it's called a mallet, though.
In the third RP of Darwin's Soldiers, Alfred uses a sledgehammer to kill a Dragonstorm experiment...by knocking its head clean off. In the same RP, Sharon also uses a hammer to kill a guard.
In MSF High Forum, Ilushia wields one of these. More recently, Danny has taken up wielding one.
Ultra Magnus of Transformers Animated wields a humongous hammer that can even call down lightning, which is called the Magnus Hammer in the show and "Stormbringer" on one of his toy's bios. (If he sounds a teensy bit like Thor, remember, The Transformers comic series was written by Marvel, so it's probably more recycling old ideas than anything else.)
Also, the Elite Guard homage The Avengers a great deal. Magnus is Thor, while Sentinel is Captain America and Blurr is Quicksilver. (Marvel Comics doesn't have any ninja beatniks, though, so Jazz doesn't seem to fit... but he is awesome, which is what matters.)
Word of God has stated that, even if he chooses to actually fight with a different weapon, the current Autobot leader needs to have the hammer in his possession to have the rank of Magnus, making it the Animated equivalent of the Matrix of Leadership. That's probably why Shockwave stole it after badly injuring Ultra Magnus, and when Ratchet gets it back he refuses to give it to Sentinel Prime (who was acting Magnus) because he didn't want him to get even more power.
And the fact that Optimus finally considers himself responsible enough to carry it into battle, and is holding it after he returns to Cybertron, may indicate that he is the next Magnus.
Sari later gets one to go with her transformation after using the allspark-powered key to upgrade herself.
Electric hammers are standard-issue weapons to the Quarrymen in Gargoyles.
In one episode of Chowder, Gazpacho bans Mung Daal from his fruit stand, then confidently proclaims that he had to drop the banhammer on him.
Of the thirteen original Transformers, Solus Prime wielded a hammer that could forge practically anything from raw materials. Only a Prime can activate its powers, but it's still a big slaggin' hammer that packs a wallop for anyone who can swing it. In homage to the above example, Ultra Magnus takes it into battle after it's been drained of its power.
A number of weapons resembling hammers have been used historically.
Warhammers◊ didn't look much different from your average carpenter's hammer - they just had longer handles. Placing a lot of the weight at the point of impact gave the weapon a lot of punch, breaking bones through armor that was intended to deflect the lesser impact of blades. The real-world hammers often had a small flat face on one side of the head and a simple pick on the other. Strike with the flat face and you can quickly use your weapon again; strike with the pick and with any luck you'll penetrate your opponent's armor entirely, at the cost of possibly having to take a moment to yank the pick out again.
The horseman's pick also resembles a claw hammer, with an armor-piercing slanted point on the opposite side of the hammerhead. It was used primarily by Islamic cavalry and Polish hussars.
Mauls resemble sledgehammers. They were primarily an archer's weapon, serving double-duty in hammering down protective stakes before a battle and attacking any enemies that drew too close for comfort.
Bec de corbin, meaning "Crow's Beak". A pole weapon designed specifically for armor-piercing, which was a hammer with spiky instead of flat face on a 7 feet handle. Developed in Poland. They like this trope.
The use of hammers in war is evident in the sport of polo, which was originally a war exercise for Persian cavalry.
Tactical sledge hammers are sometimes used in close-quarters combat fire teams. The doorman will sometimes use it in place of a battering ram or shotgun when approaching a breaching scenario. Tactical sledge hammers come in handy in situations where explosives or shotgun shells would prove too destructive due to the presence of hostages or physical obstructions. It is not unheard of for SWAT members to find themselves using the hammer as a last-second weapon when the suspect is determined to be closer to the team than anticipated.
Firefighters also use hammers to break down barriers (like concrete) when axes aren't enough.
The trademark weapon of real life Hells Angels is the ball-peen hammer, in part because it isn't in the same legal class as a knife or gun, and thus doesn't carry the same legal repercussions.