A phenomenon common to animation, video games, and comic books, Rapid-Fire Fisticuffs is the act of punching an opponent dozens (if not hundreds, if not thousands) of times a second. Multiple hits are guaranteed, and even if each strike doesn't cause much damage by itself, the cumulative effect can be absolutely brutal. If you use one of these attacks in a fighting game, you can almost expect that this move's command will involve tapping your Attack button rapidly.
Rapid-Fire Fisticuffs are a staple maneuver by nearly every comic book speedster ever published. It is often combined with a Flash Step for extra effectiveness against a single foe, or for taking on crowds, resulting in Teleport Spam or Speed Blitz.
When a character does this while armed, it is a Spam Attack. This trope is a type of Death In All Directions. In trading power per hit for a large hit count, unless you're a Lightning Bruiser with both to spare, beware Punch! Punch! Punch! Uh Oh.... May result in Death of a Thousand Cuts. The next step up in cool is the Pummel Duel, where both fighters do this and try to overwhelm the other.
Note also that while this trope is traditionally done with punches, there do exist many kick-based examples; it's especially common when it comes to higher-level Kick Chicks.
This is actually Truth in Television, as there is actually a Jeet Kune Do technique called the "Straightblast" which is exactly this. It'sreallydifficult to keep at it for very long, though. Or with any power whatsoever. (For those not in the know, Jeet Kune Do is a Martial Art developed by Bruce Lee. Yes, thatBruce Lee.)
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In NEEDLESS, we have Demon Drive Foxhound that, when used by both the main character and his counterpart, starts a brief scuffle between them in midair where they keep punching each other for almost 10 seconds. The Rival is able to levitate, one of the few abilities seen that is unrelated to Demon Drive Foxhound. Blade himself, however, is not.
In Fist of the North Star, Kenshiro's Hokuto Hyakuretsu Ken (North Star Hundred Cracks Fist) became so famous that most Fist of the North Star parodies will need to involve this, or spoofing other examples of this trope with his battle cries ("ATATATATATATATA!").
Oddly enough, the "fist spamming" was also used several times by other fighters without ever being called this, although at least Raoh had also practiced the same style as Kenshiro. Moreover, Kenshiro's technique that dealt the final blows to the about-to-be-defeated Souther is (superficially) identical.
The anime version of Great Teacher Onizuka has Onizuka not only pretend he's Kenshiro, but has him beat the crap out of some thugs with Hokuto Hyakuretsu Ken.
Excel♥Saga has a great parody during their Fist of the North Star parody: Excel uses Hokuto Hyakuretsu Ken on a gang leader (who looks exactly like Zeed, the first poor bastard who got hit with it in the original series), but instead of exploding, he gets turned into a cutesy, cat-eared, maid costume-wearing midget... who still has his tough guy face.
There was a Hokuto no Kenarcade game where the idea was to punch fast. Well, as close to rapid-fire fisticuffs as you can get in real life, anyway.
A staple ability of many Stands is to launch a furious assault of fists. The most famous two users of this ability are Dio and Jotaro, who both have their own oft-parodied battle cries.
Giorno Giovanna probably has the most triumphant and ridiculous example ever when utterly destroying the sadist Cioccolatta. Seven and a half straight pages of MUDAMUDAMUDAMUDA punctuated by a single page of WRYYYYYY! Just in case anyone forgot whose son he was.
Jonathan Joestar, the original Jojo, is no exception to the family's legacy.
The characters in Dragon Ball Z do this all the time. There's almost always a portion of any major fight in which the participants are throwing rapid-fire punches at each other. Rarely do any of the punches actually connect, because when everybody's got Super Speed they can dodge just as fast as they can punch.
In the manga, it's created by Ranma himself after enduring Cologne's Training from Hell that involves him attacking her, which also increases his strength based on Akane words, and also taking chestnuts from a flame which increase his base speed even further and after realizing that his even his current speed is not enough to beat Ryoga. It was a technique because it tired him out and Cologne was surprise of the recoil and can't see the punches herself at first. If it was a mere speed increase it shouldn't have tired Ranma out what so ever from using. Nonetheless, Ranma upgraded himself later on and this become his normal speed for his ENTIRE body after the Herb battle when Ryoga rematch against him after thinking he caught up to Ranma since his speed was as fast as Ranma was before.
After the Herb arc, Ryoga realizes that his speed has increased greatly due to fighting with Ranma. He thinks he can beat Ranma now and asks for a duel. Turns out that Ranma is also even faster and blocks every punch from Ryoga that was equal to his previous speed without blurring his own hands. Afterwards he blurred his entire body shocking Ryoga and defeating him instantly with a twisting kick.
Elsewhere in the series, Ukyo demonstrates that she has possibly an instinctive grasp of the basics when, in a moment of embarrassment, she subjects Ranma to a blurred barrage of slaps.
Or Fridge Brilliance - what is the Kachu Tenshin Amaguriken training? Collecting chestnuts from an open fire while suffering the aversion of Convection Shmonvection. Ukyo is a cook; she's had more exposure to heat than most, and may have inadvertently learned a similar form of training.
Prince Herb of the Musk Dynasty can also punch hundreds of times in an instant, overwhelming even Ranma.
Kodachi was able to jab like this with her clubs during the Martial Arts Rhythmic Gymnastics competition. Well, until Ranma-chan caught her hand and revealed that Kodachi was actually holding a dozen clubs in one hand to simply create the illusion of such a barrage.
Tomoyo Sakagami from CLANNAD has rapid kicks that can hit for about 1000 times. It is a kick variation.
''GodHand Smash'', the signature move of Rom Stoll in Machine Robo: Revenge of the Chronos, is also partially this trope. It consists of Diving Kick to Fist Spam Attack to Big Ass Explosive Punch, and the final words "Sebai!" (a.k.a Punishment!)
Luffy on One Piece has the Gum Gum Gatling move, as well as its glorious upgrades, culminating (so far) in a move that is basically a Rapid Fire Megaton Punch. Bad guys do not get back up.
At least once, during his fight with Arlong, Luffy does this while going "ATATATATA..." a la Kenshiro.
To a lesser extent, Sanji and Bon Kurei sometimes do the same with their feet, and members of CP9 did it with their fingers.
Whenever Luffy was hit with the Slow Slow Beam, Foxy would hit him repeatedly; making it seem like fisticuffs on speed to Luffy.
Luffy's fight with Rob Lucci was full of this. It was pretty much mandatory anytime either of them leveled up, or even downgraded. The fanbase now jokes about how Luffy and Rob Lucci are officially "true bros" with all their bro fisting.
Gum Gum Gatling is the fandom's favorite move, according to the popularity polls, hence why it's used so often in later books.
This technique has been taken up to 11,000 after the timeskip. You think Jet Gatling was awesome? Allow us to present to you Gum Gum Elephant Gatling. Take the standard Gatling, increase each fist to the size of a tank, boost it with Armament Haki, and let loose at a speed no slower than the standard. Mind you, a single Elephant Gun can punch out a Kraken, and Luffy nearly destroyed a ship the size of Fishman Island with this technique. This move is a potential island-buster. Yeah.
G Gundam has this all over the place. Domon, Master Asia, and Allenby all engage in both the punching and kicking variety (the latter two even use Rapid Fire Fisticuffs as part of their Handshake Substitute). Chibodee's ultimate attack, the Gounetsu Machine Gun Punch, does this with energy fists; it seems to be an evolution of his Burning Punch attack, as in an earlier episode we see him machine-gunning Burning Punches to take down a horde of Devil Gundam minion MS.
Before that, the very first episode of Mobile Suit Gundam ZZ has Judau take over the Zeta Gundam and, not know how to work most anything on there, defends himself by making the mech do just this!
The best examples of this in Naruto are Naruto, Might Guy, and Neji. Naruto can and has used his clones more than once to deliver a massive number of punches to large foes; Might Guy uses a technique where he punches so fast that the chakra around them is lit ablaze in the form of a flaming peacock, and Neji's technique involves striking the opponent quickly to simultaneously shut down their chakra points.
Minor villain Sakon achieved light-speed punches and kicks because he and his brother Ukon shared a main body, and the latter could throw his body parts out of any part of the former, combined with someone who's naturally quick and you have punches you can barely see.
Ippo's Dempsey Roll in Hajime No Ippo qualifies, though a skilled enemy can counter to stop it.
Actually a subversion, as when Ippo tried accelerating it to true rapid-fire speeds, it ended up making the individual hits weaker. Similar speed/power tradeoffs are shown with Hayami's Shotgun and Itagaki's Porcupine.
In Mahou Sensei Negima! Takamichi's teacher was capable of this (note that his punches have over cannon-level strength). Several other mages also display this ability.
Slayers has both Amelia and Philionel do this in one episode of Next (Amelia probably does it elsewhere as well), combined with their signature attack that turns their fists into magic weapons capable of harming low-level Mazoku.
During Yusuke's fight with Sensui in YuYu Hakusho, Yusuke counters Sensui's Counter Attack fighting style by binding their arms together with his wet shirt, leaving Sensui unable to block. Yusuke then delivers Rapid-Fire Fisticuffswith one arm. If it weren't for the whole Split Personality thing Sensui had going on, Yusuke would have won the fight right there.
Also, in the final tournament, Yusuke takes out forty-nine minor rivals at once with one of these.
"Hey, ref? What happens if everybody gets knocked outta the ring like that?"
Earlier, at the preliminaries for the Dark Tournament, Yusuke does one of these in his sleep when he's attacked by an opportunistic demon, mumbling all the while about how Genkai's training sucked, he was tired of training, and he wanted to sleep. Which was probably the Crowning Moment of Funny for that arc.
And then Yusuke delivers an insanely fast barrage of punches to Toguro after releasing his Spirit Cuffs, hitting him so rapidly that his muscles deflate like a punctured tire.
Fantine does this to Takashi in the second Satomi vs. Skylark race in IGPX Immortal Grand Prix after her realization as to why she thinks they should break up. Doesn't work, he wins and they opt to remain Just Friends.
Midori Days did this in the manga once. In the chapter, Midori notices Seiji using his left hand a lot more instead of her. She pushes Seiji into several situations where he would have to use his right hand/Midori. One scheme was a fighting arcade game that required you to box. Midori was prepared, but Seiji used only his left hand to completely beat the game, in the same feel as Kenshiro's "ATATATA" but with "LEFTLEFTLEFTLEFTLEFTLEFTLEFTLEFT! LEFT! LEFT... PUNCH!"
In Overman King Gainer, Yassaba's Rush Rod pulls one of this as a last ditch-effort attack. Doesn't work. He also has it Super Robot Wars K, where it's the Rush Rod's strongest attack (Go figure).
In Magical Girl Lyrical Nanoha Vivid, Vivio immediately forces her first opponent in the Tournament Arc on to the defensive by employing a one-handed version of this trope. Her opponent eventually tried to evade it by attacking from above, earning her a solid roundhouse kick into the face.
Toriko has an attack call the 'Kugi' or 'Nail' punch, were he strikes at a precise point so fast that several punches can land simultaniously. The number of blows he's able to land increases throughout the serious going from '2 Ren' or 3 punch attack to being able to land 18 blowswith each arm.
By this time in manga. He is capable of landing more than 50 with a single arm.
Then there is the end of the anime and now the manga as of chapter 293 which takes the trope Up to Eleven with Infinite Kugi Punch!!!.
In Transformers Super God Masterforce, the wandering warrior Sixknight uses a series of rapid fire punches to bring down the Decepticon Pretenders in one episode. In an ironic twist, he is killed in the penultimate episode when Black Zarak bombards him with Devil Power, causing Sixknight to explode not unlike the results of a Hokuto technique.
The Pokémon Hitmonchan is able to do this, and one in the anime uses it to mercilessly pummel Pikachu in one instance.
Digimon Savers gives us Mercurimon (Merukimon in the dub) and his "thousand fists" attack.
Rurouni Kenshin: Sanosuke attempts to use this tactic against Saitou, reasoning that he can only counterattack once he has finished attacking. Saitou manages to block all of his punches, and returns the favor.
Blurr from Transformers used this technique a few times, but lacked the physical strength to make it very useful. Lampshaded once when fighting Thunderwing, who reacted far faster than Blurr was used to.
Spider-Man does this on occasion to his more powerful enemies.
Dash is surprised (and delighted) when he discovers he can do this in The Incredibles.
The fight between Neo and Agent Smith in The Matrix features Smith slamming Neo against the wall and spam attacking him with blurred-arm, rib-cracking body blows. Later, Neo returns the favor by using this technique to block Smith's attacks.
Smith did it to Morpheus first in the bathroom scene.
Truth in Television - kinda. Linking multiple straight punches in quick succession - also known as chain punching - is one of the cornerstones of Wing Chun, the southern Chinese martial art of which the Real Life Ip Man was a master. However, in practice students are advised to keep it to short bursts: it's impossible to maintain the initial striking power beyond a certain point (not to mention the risk of interruption), and to prolong it further is dangerous and impractical.
Important to note that Ip Man/Donnie Yen never uses it as an entry technique but as a kind of opportunistic battering of an opponent whose guard is already down. Rushing into an opponent's guard with chain-punches is embarrassing at best, suicidal at worst.
The lead actor in Ip Man, Donnie Yen, uses this as a sort of trademark in his movies, especially the ones he gets to choreograph himself. Punch flurries showed up a lot in Flash Point, and his character used palm flurries exclusively in Dragon Tiger Gate.
The titular Kamen Rider OOO also does a kick variant with the Cheetah Medal.
In the Wild Cards series, Croyd Crenson at one point wakes up with his reflexes so heightened that he can use Rapid-Fire Fisticuffs. He's also superhumanly strong, meaning when he does use this, he tends to turn the person he's hitting into hamburger.
Otto Chriek during the climax of The Truth. Described in the text as having fists that blurred into invisibility as he pummeled a man like a punching bag.
Not quite as fast, but Wee Mad Arthur (a six-inch gnome) uses his forehead to invoke this trope on an enraged bull's skull in Feet Of Clay. The sound of his repeated Rapid Fire Headbutts is compared to that of a very determined woodpecker.
Not as fast as some of the other examples, but Wes Janson, seriously outclassing his opponent, manages a reasonable facsimile of this trope.
Janson fired off blows into Thanaer's midsection. When the Adumari pilot tried to block those shots, Janson concentrated on his ribs, and Wedge could hear occasional cracks as bones gave way under his blows.
Several Charms in the tabletop RPG Exalted allow you to do this with both unarmed attacks and melee weapons. Iron Whirlwind Attack, Ringing Anvil Onslaught, Octopus and Spider Barrage, Metal Storm, and so forth.
Better yet, they let you do it with weapons that require time to reload and aim after every shot because Solars are just that awesome.
Spam attacks are not only possible, they are the best possible strategy against worthy enemies.
In Dungeons & Dragons, The Monk class has the ability Flurry of Blows, which has more hits as you level up.
GURPS: Martial Arts spends a few pages discussing the utility of this. Long story short, you're probably going to want some level of superpowers.
Starblazer Adventures, based on the 1980's British science fiction Comic Book. The Fists of Fury stunt allowed you to strike at an opponent again and again, wearing down their defenses. Opponents don't get the normal +2 bonus when using All-Out Defense against your attack.
Champions speedsters commonly buy this as an Autofire Hand Attack.
Chun Li and her infamous Lightning Legs (Hyakuretsu Kyaku).
Also taken Up to Eleven with her Thousand Legs (Senretsukyaku)
Seth from Street Fighter IV has an upgraded version of Chun Li's Lightning Legs that strikes so fast all the player sees is one swing of his leg followed by the bursts of several hits.
Edmond Honda's Hundred Hands Slap (Hyakuretsu Harite). This one's particularly dangerous as Honda can move forward while using, allowing him to keep hitting his opponent as they get knocked backward until trapping them on the edge of the screen.
Gen's Hundred Snatches (Hyakurenkon) in the Alpha series.
Rufus' Snake Strike.
One on the ending attacks of Adon's Super mover is called "Thousand Jaguars", which is very similar to Joe Higashi of Fatal Fury fame.
The mangaRyu Final: Street Fighter III posits that the physical component of the Shun Goku Satsu consists of instantaneously delivering thousands upon thousands of punches, each of which releases a Hadouken upon contact. OUCH.
Bruce Lee Clone Fei Long deserves mention for his second Ultra introduced in Super Street Fighter IV. It's a Counter Attack that (once an attack is intercepted) begins with this and ends with the One Inch Punch.
Ryo's Thresher Punch (Zanretsuken) and the Robert's Spirit Kick (Geneikyaku) from Art of Fighting and the King of Fighters series. These do not require button spamming to execute, though, though they will still produce fist/feet spamming.
Ralf Jones (from that same game series, but also Ikari Warriors and Metal Slug 6 and 7) has a signature move called the Vulcan Punch, in where he throws a barrage of explosive jabs at his enemy. He takes it to another level in both his SD Ms - Exploding Vulcan Punch does a superpowered version where he mixes his Gatling Attack and the Vulcan Punch, ending with a monstrous uppercut that pounds his opponent right off the screen, while Horse-Mounted Vulcan Punch has him tackle the opponent to the ground, then proceed to violently punch them in the head repeatedly with flaming fists and end by rearing back and delivering one last, explosive punch that basically drills the hapless opponent's head in the ground. It honestly makes the player feel sorry for whoever is receiving the beatdown. He ups the ante in KOF XIII with his Jet Vulcan Neo Max and as a nod to Luffy above, he evens turns red and emits steam.
One of Sabin's Blitz techniques from Final Fantasy VI: Pummel (Bakuretsuken), which is performed with the same command as Ryo's Thresher Punch from Art of Fighting/King of Fighters (See above). His ultimate technique, Bum Rush (Mugen Toubu), involved circling his target to pummel them mightily from every direction.
The Kirby series has the Ability known as Fighter Kirby and one of the moves is known as Vulcan Jab. Enough rapid fire is actually more powerful than a Smash Punch!
In Final Fantasy XI, the monk job has the 2h (two hour, an ability which can only be used every two hours) 'hundred fists', which eliminates combat delay, and results in punches being thrown non-stop. This is occasionally combined with the Awesome, but Impractical ability Souleater, which consumes your own health to deal high damage to the enemy (this combination practically always kills the user), and the Lethal Joke Item Kraken club, which can attack multiple times per round by itself..
In a slightly less spectacular but more practical example, the final Hand-to-Hand weapon skill, Asuran Fists, delivers eight punches in lightning-quick succession.
Star Ocean: Till the End of Time has Cliff Fittir and his Fist Of Fury. His partner, Mirage Koas, has a similar move called Infinity Kick. It might not use her hands, but it's still unarmed combat, so it deserves a mention.
Ialdabaoth's Kouha Kishin Ken. After upgrading, Apotheosized Ialdabaoth's Shinha Gou Shousen, which combines this with Air Juggling and finishes it all off by slugging your ass through a mountain. And the mountain doesn't make it.
Zamzeed's Chou Shin Dou Ken, to the point that it's a blatant Shout-Out of Hokuto Hyakuretsu Ken.
Soulgain has two attacks that are partially Spam Attack: Byakko Kou and Code Kirin (spam strikes don't make up the majority of either one, though)
One of Coustwell Brachium's possible strongest attacks has this in spades.
In OG Gaiden, Alion's Agares can clone itself and Hokuto Hyakuretsu Ken (yes, it's another FOTNS Shout-Out) an enemy from both sides at once.
Robo-Ky also has an Overdrive parodying Dio Brando from JoJo's Bizarre Adventure as mentioned above: Dio attacks while repeatedly shouting "Muda!" ("futile" or "useless") while Robo-Ky's attack is accompanied with dozens of word bubbles containing the similar-in-meaning "Dame!"
The fistfighter skill in Tales Series, Rengadan and sometimes spells like Lightning and Grave also qualify.
From Tales of Legendia, Senel's Wyrm Rush (Bakuryuken) and Swallow Storm (Renga Hienkyaku) especially when combined.
Also from Tales of the Abyss, there's Anise's Mystic Arte Final Fury and Sync's Harrowing Gale.
In Tales of Vesperia, Yuri's Brutal Fang arte allows him to punch the enemy as many as 107 times in rapid succession with the right timing.
Hitmonchan, a boxing monster from Pokémon; according to the Pokedex in the original games, when it looks like it's just standing around, it's because its actually throwing mind-bogglingly lightning-fast volleys of punches (likely represented by Comet Punch).
Taken further in the anime and Pokémon Special with all three Hitmons. Hitmonlee's legbands are even implied to actually be springlike...
The animation for the Fighting-type move Close Combat◊ fits this trope perfectly. Even if the user in question doesn't actually have fists...
The same goes for the Steel-type move Bullet Punch.
Characters such as Fox, Sheik, Kirby and Captain Falcon have attacks like this in the Super Smash Bros. games. Lucario's "On-Hit-Cancel" system allows him to perform combos like this.
Some partner moves in Paper Mario work like this, scoring multiple attacks that do one damage each. Due to the way defense works in the game, these attacks are normally completely useless against enemies that have a defense stat greater than 0.
Some fighting games have code in place to break up attempts at spam attacks, such as automatically making it miss if used more than twice in a row.
Viewtiful Joe has the Red Hot One Hundred, the most useful move in the series. Essentially distorting time to allow you to punch so fast the enemy can't do anything about it.
Also a subversion in that from our perspective, he's punching at a perfectly normal rate of speed.
The only problem with the Red Hot One Hundred is that, unless you take it out fast enough, the game takes pity on the poor enemy you're beating up and grants them a brief temporary invulnerability (just like you get every time you get hit), forcing you to wait until an opening comes around to start again.
God Hand is all about punching people, be it really hard or really quickly (or really hard and really quickly). As such, spamming attacks comes in a variety of flavors. Build yourself a twenty-hit combo with the right moves, mash buttons when prompted with the "Pummel" command to deliver a volley of blows to your enemy's midsection, or use "100 Fists" to throw a barrage of punches that culminates in you launching the poor fool into the Milky Way. Your fights with Azel, Gene's rival and self-styled "Devil Hand," are especially awesome because you can get into a Pummel Duel with him.
Also present in the game's Spiritual Successor, MadWorld. In the final boss fight against The Black Baron, the Power Struggle between him and Jack starts with a pummel duel similar to Gene and Azel above (Although it quickly changes to several Cross Counters after a bit of pummeling)
Found yet again in Bayonetta in the battles between Bayonetta and Jeanne. With giant fists made of hair nonetheless. Also the primary form of melee attack used by the Bonus Boss of the same game Rodin
Also found in Vanquish, when ever Sam Gideon fights one of Victor Zaitsev's Bogeys. He even does this with two of them at the same time!
In Metal Gear Rising: Revengeance, Raiden performs this twice on the final boss. Unlike the above examples, all it does is illustrate how tough the boss is as he No Sells the attacks. The final boss himself also performs this to Raiden shortly after.
Done YET AGAIN in Anarchy Reigns (wow, Platinum Games / Clover Studios seem to love this trope, don't they?). Whenever two characters get into a Rampage and strike one another, they engage in this, with the player tapping buttons to overwhelm the opponent. This usually results in an One-Hit Kill, although it's not just present when two players attack one another. It also happens when a Rampage attack is unleashed on a Giant Mook or opponent who isn't near death or in Rampage mode. Of course, certain characters (particularly females) kick rather than punch.
Done ONCE AGAIN in The Wonderful 101, where Wonder Red often does this on certain boss fights as a part of a finisher. Did we mention that the fist in question he uses is friggin' gigantic?
In Chrono Trigger, Robo's "Uzzi Punch" Tech consists of him running up close and smashing the enemy with repeated punches. This is what happens when one combines this trope with the Rocket Punch.
Magical Battle Arena: the title character of Cardcaptor Sakura, thanks to THE FIGHT. Watching sweet, kind, gentle, Sakura Kinomoto bust out a 16-hit rapid punch and kick combo on a hapless opponent is both jarring and awesome.
Spider-Man: Web of Shadows had more than a few moves like this. In the red and blue suit, Spidey can unleash a flurry of punches and in the black suit, he has more than one type of tentacle flurries.
City of Heroes has several attacks like this. Flurry is part of the Super Speed power pool, while Shadow Maul (and the Sands of Mu temporary power/Veteran's reward power that copies it) is based on negative energy, and One Thousand Cuts is the ultimate Dual Blades attack.
Even better is that these attacks are cone-based, meaning they can hit up to five targets in front of you simultaneously.
The rapid-fire attacks in the game require that the player is locked onto the enemy's targeting reticle. This leads to an amusing side-effect: if the enemy runs away after the Flurry animation has started, the fleeing opponent will continue to be assaulted by phantom punches, making it possible to beat the snot out of a mook from across the street.
In Fallout 3, when you have enough action points in VATS and stack up enough melee attacks, you can get five or six punches on an opponent (seen in slow motion) before they can begin to react, at least giving the illusion of this effect.
Similarly in the earlier games, a couple levels of Bonus HTH would drop the duration of a punch down to 1 AP, allowing some characters (especially on chems) well over a dozen blows a turn.
Vulcan Blaze, Adell's final special attack from Disgaea 2, is of this nature.
The Nekomata class in the first game also has a very self-explanitory attack called Fists of Fury. (changed to Cat Fight in the second and third games). In the fourth game, it parodies Hokuto Hyakuretsu Ken, with the Nekomata saying "nya" with every punch, and the name of the move appearing on the screen shortly before the target suddenly explodes.
Mr. Champloo's Chef's Special attack begins with a fist flurry. His Shredder Kick uses the kicking variant.
The Kick13 and Hyper Fist moves from Devil May Cry qualify, as do some of Nero's Buster moves.
In a straighter example, we have resident martial artist Hong Meiling with her Searing Red Fist and Intense Rainbow Fist from the Fighting Game spin-offs.
When Lo Wang of Shadow Warrior isn't slicing bad guys up with his sword, he's delivering a dose of this.
Every boss fight in Donkey Kong Jungle Beat features Donkey Kong delivering savage beatings onto his opponent, although certain smaller-scale baddies can also suffer this treatment in specific situations. This is a rare instance where the player character is actually a far more brutal and violent figher than any bad guy; I wouldn't be surprised if DK could go as high as eight or nine rapid-fire punches a second.
"The One" combo in The Path Of Neo does this quite thoroughly.
Crisis Core: Final Fantasy VII gives us the Rush Assault Limit Break, where Zack punches and kicks one target, moves on to a second one if there's one, then caps off by dashing through another (or maybe the first).
The Ganbare Goemon games featuring Impact include a direct homage to Fist of the North Star in the form of Impact's Hyakureppunch, in which the giant robot simply pounds rapid-fire on the enemy at close-range, potentially following up with a devastating kick (and a hilarious sound effect).
Naturally, Fist of the North Star: Ken's Rage has this from the start. It's Kenshiro's first available Musou attack and it remains iconic of the various Hokuto-using warriors in the series.
Hell, all but two of the playable characters - Rei and Souther - have their own variant, with Thousand Puncture Hand for the Nanto-user Shin and Transcendent Kick for Mamiya.
Of particular note, even by the game's standards, is Kenshiro's finisher sequence. First a round of standard two-fist rapid pummeling, then a series of kicks straight from Chun-Li's playbook, then a one-handed beatdown before landing the final technique (frequently Hokuto Hyakuretsu Ken just to act as the capstone).
Devil Survivor: Overclocked and Devil Survivor 2 have the Multi-Hit and Multi-Strike moves, which outright murder opponents that don't either Null, Absorb or Repel Phys with a barrage of punches when used by high-Agility demons or tamers (Hinako, Daichi). And if the user has Pierce, Null and Absorb are tossed out.
DPS monks in World of Warcraft has fists of fury, a highly damaging spell where the monk throws punches fast enough to create afterimages.
Final Fantasy X: Anima's Overdrive, Oblivion, has this before a giant magical blast to finish; in the original and NA versions, the move hits For Massive Damage after the whole animation has finished. In the PAL and International versions, every punch hits instead. For Massive Damage.
Malicious lets you do this when you get the Enhanced Fists.
A set of toys created for Dragonball Evolution involved characters made sort of like Rockem Sockem Robots. However, to increase the effect, the toys actually had two sets of overlapping arms and a ripcord start to simulate this effect.
Pretty much every speedster active in the Global Guardians PBEM Universe has mastered this technique. An exceptional example is Gyro, a supervillain who spins at extremely high speed. While spinning, he can extend his fists and end up acting like a circular saw to pretty much anything he runs into.
In The Incredibles. Dash is surprised (and delighted) when he discovers he can do this; however they end up being more annoying than anything else. Granted, while the mook he delivers them to does shrug it off, that's only because Dash had an Oh, Crap moment at the sight of the cliff face the glider was on a collision course with.
Wreck-It Ralph can punch at blinding speeds. Throughout the movie, he mainly uses this ability to dig through junk or to pave a race track.
In an episode of Star Wars: The Clone Wars, Mace Windu and a battalion of clone troopers are surprised by a large Trade Federation siege weapon which is effectively a gigantic Shockwave Stomp device. When he loses his saber in the chaos that ensues, he proceeds to physically beat several Super Battle Droids to pieces with his bare hands, including several bouts of Rapid-Fire Fisticuffs that are so effective that they sound like heavy repeating blaster fire, with similar effect.
This is the best explanation of what Jeet Kune Do's 'straight blast' is. Punch the unlucky stiff as many times in the gut as you can, hurt him, and break his balance. Then, with his balance broken, hurt him some more. Imported from Wing Chun, not that this should surprise anyone; JKD's progenitor was a former student of the most famous practitioner in the twentieth century of its parent art.