Editing 9-Volt

{{about|9-Volt, a character in the [[WarioWare (series)|WarioWare]] series|other uses|[[Volt]]}}
{{character infobox
|image=[[File:9voltWWMI.png|x240px]]<br>Artwork from ''WarioWare: Move It!''
|species=Human
|first_appearance=''[[WarioWare, Inc.: Mega Microgame$!]]'' ([[List of games by date#2003|2003]])
|latest_appearance=''[[WarioWare: Move It!]]'' ([[List of games by date#2023|2023]])
|latest_portrayal=[[Melissa Hutchison]] (2018–present)
}}
{{quote|Hey! My name is 9-Volt! I'm the grade-schooler gone old school!|9-Volt|WarioWare, Inc.: Mega Microgame$!}}
'''9-Volt''' is a major human character in the ''[[WarioWare (series)|WarioWare]]'' series. He is a [[Nintendo]] fan who collects everything released by the company and loves to play video games. 9-Volt lives with his mother [[5-Volt]] and his pet [[Fronk]] in their [[9-Volt's House|house]] in [[Diamond City]] and attends [[Diamond City Elementary]]. He debuts in ''[[WarioWare, Inc.: Mega Microgame$!]]'' as one of [[Wario]]'s friends who help him produce [[microgame]]s. His name comes from the operating voltage of the [[Nintendo Entertainment System]]. 9-Volt's microgames are typically based on products of [[Nintendo]], mainly on game software and hardware, but also on merchandise from the time before Nintendo became popular as a video game company. Microgames based on the [[Super Mario (franchise)|''Super Mario'']] franchise are featured in every ''WarioWare'' game. Since ''[[WarioWare: Twisted!]]'', 9-Volt is frequently accompanied by [[18-Volt]], who becomes one of his best friends.

==History==
===''WarioWare'' series===
====''WarioWare, Inc.: Mega Microgame$!''====
9-Volt's first appearance is in the intro of ''[[WarioWare, Inc.: Mega Microgame$!]]'', where he is called by Wario to join his company [[WarioWare, Inc.]] and to produce microgames for his upcoming game. Like Wario's other friends in Diamond City, 9-Volt agrees.

[[File:9-Volt prologue WarioWare Mega Microgames.png|thumb|left|9-Volt, at home with his Nintendo collection and mixing console.]]
In 9-Volt's own story, after his school day ends, he skates home with his high-tech skateboard, [[SK8]]. At the house, 9-Volt gets into his room and plays with his mixing console. 9-Volt says "Hello" a few times, and with the help of the machine, he imitates a voice resembling [[Jimmy T|Jimmy T.]]'s. 9-Volt's oversized [[Game Boy]] answers him with "OK". 9-Volt makes music with the mixing console and spins records on it, and the Game Boy uses a mechanism to insert a cartridge into itself. This starts a game on the Game Boy's screen which is based on a turn-based role-playing game, in which 9-Volt is the player character and battles microgames.

Later, as 9-Volt is still spinning records, [[Ken the Reporter]] suddenly appears and announces that the [[nwiki:Game Boy Advance SP|Game Boy Advance SP]] is on sale in stores. Excited by this news, 9-Volt leaves the house and his skateboard transforms into a hoverboard. With that, 9-Volt hurries to the next store to purchase the new handheld.

9-Volt has created microgames of the [[List of microgames in WarioWare, Inc.: Mega Microgame$!#Nintendo Classics|Nintendo Classic]]s genre. The games involve various Nintendo products from the 1960s up to the 1990s.

9-Volt also makes a short appearance in the ending story of the game, where Wario escapes with the money he earned from the games made by him and his friends. 9-Volt is in shock over this, but like the other employees except for [[Mona]], he does not chase after Wario.

9-Volt is featured in four unlockable [[minigame]]s in ''WarioWare, Inc.: Mega Microgame$!''. In [[Skating Board]], he appears as the protagonist of the game, and he must avoid obstacles and red birds with his skateboard. In the two-player minigame [[Chicken Race (minigame)|Chicken Race]], 9-Volt is the character of the player who has to use {{button|gba|L}}, while the other player's character is a Fronk, possibly his pet. 9-Volt also makes an appearance in the minigame taken from ''[[Mario Paint]]'', [[Fly Swatter]], where the [[Spiny]] appearing in the congratulations sequence has been replaced by him. The minigame [[Paper Plane (minigame)|Paper Plane]] features 9-Volt as one of the characters looking through a window and telling the current flight time.

====''WarioWare, Inc.: Mega Party Game$!''====
In ''[[WarioWare, Inc.: Mega Party Game$!]]'', 9-Volt hosts a television show called Super Show. There, he uses a mixing console again and a [[Game Boy Advance]] with arms and legs that responds "OK" each time 9-Volt says "What's up!", in a similar manner to the Game Boy in the previous game. [[Kat & Ana]] follow 9-Volt's entrance.

9-Volt is one of the ten selectable characters in multiplayer games.

The game features his Nintendo microgames, plus a multiplayer game made by him, [[Card-e Cards]], which refers to a Nintendo product as well, in this case, the [[e-Reader]].

====''WarioWare: Twisted!''====
[[File:918meetsWWT.png|thumb|200px|9-Volt greets 18-Volt, and invites him over to his house.]]
In the intro of ''[[WarioWare: Twisted!]]'', 9-Volt comes along with Mona to [[Dr. Crygor's Lab]]. There, [[Dr. Crygor]] tries to fix Wario's broken Game Boy Advance with his invention, the [[Gravitator]]. Instead of fixing it, the Gravitator creates several devices controlled only through tilting. 9-Volt and Mona try it out and enjoy it. Wario gets the idea to make a new ''WarioWare'' game involving this style of gameplay.

9-Volt is shown to be a troublemaker at school in this game. In his own story, a new student named 18-Volt comes into his class. On his first day at Diamond City Elementary, the teacher asks 18-Volt what his hobby is, to which he responds by taking out his boom box and playing loud rock and roll music.

18-Volt gets in trouble for this, and after school, he heads for his house broken-hearted. However, 9-Volt stops him and states that he enjoys his music. The two of them become fast friends, and 9-Volt invites 18-Volt over to his house. When they arrive, 18-Volt is ecstatic to see that 9-Volt has a [[Nintendo Entertainment System]], and the two spend a lot of time playing on the system. Eventually, [[5-Volt|9-volt's mother]] tells 9-Volt to go to bed and 18-Volt to go back home.

At night, when 9-Volt has to sleep, he furtively plays with his Game Boy Advance SP under the bedspread, but his mother catches him in the act and tells him to put it away.

In the game, the microgame set of 9-Volt & 18-Volt is called [[List of microgames in WarioWare: Twisted!#9-Volt & 18-Volt's Microgames: Spintendo Classics|Spintendo Classic]]s. Unlike in ''WarioWare, Inc.: Mega Microgame$!'', all of the microgames in 9-Volt & 18-Volt's set are based exclusively on games for the Nintendo Entertainment System. While the microgames of most of the other developers involve a particular style of gameplay for each developer, his microgames require a variety of spin techniques.

In the [[Radio]] souvenir, he is one of the baseball players that the commentators talk about. This radio transmission also plays in [[Dribble & Spitz]]'s stage.

====''WarioWare: Touched!''====
[[File:9-Volt 18-Volt prologue WarioWare Touched.png|thumb|left|9-Volt & 18-Volt are still playing ''36-Volt Man'' when it gets dark.]]
In ''[[WarioWare: Touched!]]'', 9-Volt & 18-Volt go to the [[Toy Express]] to get a copy of the coveted, new [[Nintendo GameCube]] game, ''[[36-Volt Man]]''. 9-Volt snatches one and shows it happily to 18-Volt, who is carrying his boom box on his shoulder. Curious about their new game, the two friends quickly return to 9-Volt's House, in which he uses his SK8 to reach it. On their way, they pass the alien [[Orbulon]] who is running after his [[Oinker]].

At the house, 9-Volt & 18-Volt play far into the night and reign victorious in the game. To celebrate their success, 9-Volt spins records again, with 18-Volt dancing behind him and his Nintendo consoles in front of him. 9-Volt's mixing console features moving [[Mario]] and [[Luigi]] figurines. The two stay up late into the night, and eventually fall asleep.

In the morning, when they wake up, it is already 9 o'clock. 9-Volt & 18-Volt are shocked about being late, and rush to school.

The name of 9-Volt & 18-Volt's set of microgames is [[List of microgames in WarioWare: Touched!#Retro Action|Retro Action]]. This set of microgames returns to the variety of Nintendo games and toys seen in ''WarioWare, Inc.: Mega Microgame$!''. Newer Nintendo products from the 21st century are also featured. The microgames include all kinds of ways of using the {{button|ds|Stylus}} stylus, as well as the application of the [[Nintendo DS#Microphone|microphone]], while most other microgame sets once again involve the use of a particular technique. Their logo is a reference to the logo of ''[[Mario Bros. (game)|Mario Bros.]]''

====''WarioWare: Smooth Moves''====
[[File:9-Volt 18-Volt prologue WarioWare Smooth Moves.png|thumb|9-Volt, showing his Game & Watch to 18-Volt.]]
9-Volt is visited by 18-Volt again in ''[[WarioWare: Smooth Moves]]''. He shows a [[Game & Watch]] handheld console to 18-Volt, and plays with it. 18-Volt mistakes it for a [[nwiki:Nintendo DS Lite|Nintendo DS Lite]] at first. He wants to see more of the console and grasps it, but 9-Volt still has the console in his hands and informs him that he is still playing. 9-Volt and 18-Volt pull on opposite ends of the Game & Watch, causing it to break into two halves. 9-Volt gets furious and commands 18-Volt to get out of his house.

Feeling guilty about his actions, 18-Volt tries to find a new Game & Watch for his friend. He first looks in Toy Express, but they did not have what he desires. After leaving the store, 18-Volt notices another store where some gamers have lined up. He enters the store and discovers that the owner of the shop, [[Satoru Iwata|Shop Manager Iwata]], has the Game & Watch on offer. 18-Volt reaches for it, but is surprised to see 9-Volt doing the same. The friends face each other and both excuse each other for their mistakes. 9-Volt tells 18-Volt that he wants to always be his P2 (Player 2), resolving their conflict.

9-Volt & 18-Volt's [[List of WarioWare: Smooth Moves microgames#9-Volt & 18-Volt|set of microgames]] involves nearly all possible forms. Considerably more microgames are based on Nintendo products contemporary to the [[Wii]]. An example is [[Brain Age]], which is based on the [[Nintendo DS]] game ''{{wp|Brain Age: Train Your Brain in Minutes a Day!}}''

====''WarioWare: D.I.Y.''====
[[File:Super9volt.png|thumb|left|9-Volt, starring in his own game, '''Super 9-Volt'''.]]
In ''[[WarioWare: D.I.Y.]]'', a game called ''Super 9-Volt'' shows up in 9-Volt's stage. It is a parody of ''[[Super Mario Bros.]]'' and stars 9-Volt rather than Mario. 9-Volt, skateboarding, hits a [[? Block]] shaped like a [[Family Computer|Famicom]] cartridge every time a microgame is won.

9-Volt, along with Mona, Jimmy T., Orbulon, and [[Ashley]] apparently left WarioWare, Inc. to work for [[Diamond Software]] in this game. Although the reason they switch companies is unknown, various residents of Diamond City consider possibilities in the [[D.I.Y. Forum]]s feature of the game.

18-Volt, who continues working for Wario, appears to view 9-Volt as a rival after his departure, as suggested by his role as a boss in his game (as well as their interaction after the boss game is completed) and his greeting to the player where he insists that he works at "twice the power as that other guy you might be thinking of".

9-Volt returns to his original role by going solo in ''WarioWare: D.I.Y.'', while 18-Volt is granted with his own microgames in ''[[WarioWare: D.I.Y. Showcase]]''. Despite this, their microgame stages are both Nintendo themed. Akin to ''WarioWare: Smooth Moves'', [[List of WarioWare: D.I.Y. microgames#9-Volt|9-Volt's microgames]] adapt more contemporary Nintendo products such as [[Tightrope (microgame)|Tightrope]] being an adaptation of the Tightrope Walk minigame from ''[[nwiki:Wii Fit|Wii Fit]]''.

====''Game & Wario''====
9-Volt appears in the [[Wii U]] game, ''[[Game & Wario]]''. He hosts the minigame "[[Gamer]]", that stars him with his [[nwiki:Game Boy Micro|Game Boy Micro]]-like console, playing [[microgame]]s. As he was supposed to sleep, [[5-Volt]] often drops by his bedroom. If 9-Volt hides the console from 5-Volt, she will leave. However, if 5-Volt finds out 9-Volt is playing video games during his bedtime, he is scolded by her and the player loses. On his minigame's title screen, 9-Volt is depicted as having red hair; this is also the first time he is seen without his construction helmet.

9-Volt is also in the [[Bowling]] minigame, depicted on a bowling pin, like most other characters in the game.

As with the other ''WarioWare'' characters, 9-Volt makes an appearance in ''[[Game & Wario#Miiverse Sketch Masterpiece Collection|Miiverse Sketch Masterpiece Collection]]'', a series of videos showcasing pictures of often questionable quality made in the game's Miiverse Sketch mode. 9-Volt is the host of the fourteenth video, themed after drawings of [[Samus Aran]].

====''WarioWare Gold''====
[[File:WarioWare Gold 9-Volt Cutscene.jpg|225px|thumb|9-Volt complaining about math in ''WarioWare Gold'']]
9-Volt makes a reappearance in ''[[WarioWare Gold]]'' for [[Nintendo 3DS]]. He, like the other characters, has his design changed, as he looks slightly taller than he was before, has had his fingerless gloves changed back to fingered ones, and has more hair. His voice clips also no longer appear to be robotic and filtered. He is also seen attending a [[Diamond City Elementary|school]]. In his story, 9-Volt appears to find math uninteresting, but suddenly, [[Fronk]] appears (despite pets not being allowed in school) to help 9-Volt make math fun by connecting it to video games. 9-Volt also makes a cameo appearance as a DJ in 18-Volt's opening and another appearance in 5-Volt's ending cutscene. 9-Volt, Wario, and Dr. Crygor are the only microgame hosts to have dialogue in more than one stage outside the Ultra League.

9-Volt, 18-Volt, and 5-Volt each have separate microgames, themed around Nintendo. 9-Volt's microgames are again named [[List of WarioWare Gold microgames#9-Volt|Nintendo Classics]] and are hosted in the Touch League. Some of them include but are not limited to [[Hanafuda]], [[amiibo]], and the Wii's [[Mii Channel]].

9-Volt also appears in the Potluck Gang set of the Ultra League, where he goes on a camping trip with Orbulon, [[18-Volt]], [[Ashley]], [[Red (WarioWare series)|Red]], [[Dribble & Spitz|Dribble, Spitz]], [[Mike]], and [[5-Volt]]. He asks the group what food they brought, saying that a potluck might have been a bad idea after Ashley brings a [[mandrake]] root. He is then seen playing cards with the rest of the group.

After completing the game, a new mode called "Sneaky Gamer" is unlocked, which is a variant of Gamer. However, there are two additions:
*[[Fronk]] sometimes come to the door and looks at 9-Volt playing as a fake-out.
*The TV sometimes vibrates and gets lifted by [[5-Volt]], who then checks whether 9-Volt is playing. It is also possible for [[Mr. Sparkles]] to lift the TV instead of 5-Volt or for the TV to vibrate but not be lifted as fake-outs.

====''WarioWare: Get It Together!''====
[[File:WWGIT 9-Volt Fronk Epic Augmented Reality Game.jpg|left|225px|thumb|9-Volt showing Fronk his new Epic Augmented Reality Game]]
9-Volt appears in ''[[WarioWare: Get It Together!]]'' In the game's story mode, he appears in the opening cutscene, playing a video game with 18-Volt. He, along with the rest of the WarioWare, Inc. employees, gets sucked into the game world due to [[Wario]]'s actions.

His stage is the Nintendo Classics stage, which is available after Mona's That's Life stage is completed. In the pre-stage cutscene, Wario, [[Young Cricket]], 18-Volt, and Mona are seen wandering in front of 9-Volt's stage entrance, with 18-Volt taking joy in being pushed around without having to move and Cricket complaining about this dilemma. Suddenly, the crew notices 9-Volt skating across on his [[SK8|skateboard]], stating that he is somehow unable to stop it from moving. As he skates into a box in front of his stage entrance, he skates the opposite direction, and comments on his newfound ability. He notices his ruined level, and when 18-Volt explains the situation to him, 9-Volt prepares to deal with the [[game bug|game bugs]].

In his story, 9-Volt is seen skating home along with 18-Volt and [[13-Amp]] following behind him. As they reach [[9-Volt's House|his house]], his friends bid him goodbye. Upon nightfall, 9-Volt goes to sleep, with [[5-Volt]] tucking him in. Once she leaves his bedroom, 9-Volt gets out of bed and shows [[Fronk]] his new [[Epic Augmented Reality Game]], eliciting a joyous reaction from Fronk. His reaction is immediately shushed by 9-Volt, and, upon hearing his mother's footsteps approaching the door, he pretends to go back to sleep. After his mother checks on him and leaves, 9-Volt gets out of bed again and puts on his construction helmet, starting the game. After his stage is cleared, 9-Volt joins the gang, commenting "Haha! Talk about a KO!"

Throughout the various pre-stage cutscenes, 9-Volt is shown between two other characters, due to his inability to control his movement.

After beating Anything Goes, 9-Volt goes back to the real world alongside most of the other WarioWare, Inc. employees and chases after Wario after it is revealed their predicament was caused by his poor programming. However, they soon remember other people were left behind in the game world, and they immediately return to rescue them. After completing Showdown, 9-Volt recognizes the creature that captured some of the crew as [[Pyoro]], the star of the recent best-selling game in Diamond City.

As a playable character, 9-Volt rides his skateboard moving along the ground side to side. His movement cannot be manually controlled, and he turns around and travel the opposite direction if he reaches a solid surface or a bump. Pressing {{button|switch|a}} makes him stop moving and throw a yo-yo upwards. Although his attack is one of the strongest in the game (e.g. [[Rock-a-Bye]], one of 4 microgames considered a good fit) and useful in forcing objects upward (e.g. [[Face Wash]], another good fit), this is completely overshadowed by his inability to be manually controlled through movement. The yo-yo is also ineffective in moving objects horizontally (e.g. [[Sleep Clinic]], [[Slathered in Ketchup]]). These disadvantages require the player to precisely time their attacks to pass microgames. Like 18-Volt, rings are featured in microgames that either prioritize vertical movement (e.g. [[Great Escape]]) or require positioning 9-Volt in a specific area due to the lack of movement control (e.g. [[Hide-and-Seek]]). 9-Volt can throw his yo-yo onto the rings to grab them, and {{button|switch|leftstick}} can be used to change the direction he is facing before the player detaches him from the ring. Because of the extensive amount of disadvantages compared to the few advantages, 9-Volt has 25 microgames deeming him a bad fit (the most out of any character, tied with [[Kat & Ana]]), and 104 microgames deeming him a below-average fit.

====''WarioWare: Move It!''====
[[File:Screenshot WarioWare Move It 9 Volt.png|thumb|right|9-Volt looking over at the haunted shop]]
9-Volt appears in ''[[WarioWare: Move It!]]'' where he, along with the rest of the ''WarioWare'' cast, join Wario on his vacation to [[Caresaway Island]]. In 9-Volt's stage, "Quest in the Dark", he is seen along with 18-Volt, 5-Volt, and 13-Amp in [[Pack-'Em-In Plaza]]. 18-Volt calls to 9-Volt to hurry up, who is seen playing a video game on a handheld console. After a while, he notices everyone else is missing and tries to find them. He sees 18-Volt's CD in front of a mysterious store, and assumes him to be inside. He hears everyone screaming from inside the store, and fearfully enters to find them. 9-Volt reaches a storage room in the back of the store and, to his shock, finds everyone playing on a video game console. [[Shopkeeper Polario]] greets 9-Volt, who becomes distracted by the video games and joins his friends in playing with them. 

[[File:Screenshot WarioWare Move It Remix 2 Group 1.png|thumb|left|200px|Spitz, 9-Volt, Jimmy T and 18-Volt balance on Poolopus' tentacle]]
9-Volt also appears in the second Remix stage, "Pool-Party Panic". After Kat & Ana accidentally get a ball lodged in [[Poolopus]]' mouth, 9-Volt joins the rest of the crew in trying to remove it, only to be flung into the air before landing on a moving tour bus. When the tour bus returns to the pool, 9-Volt, along with the rest of the crew, gets thrown again by Poolopus by his request.

9-Volt, along with the rest of the ''WarioWare'' cast appear in the final stage, "Lava at First Sight", where they all dance to defeat [[Volcano Wario]]. After Wario is launched from the volcano, the cast enjoys their vacation, while Wario is stuck inside a temple.
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===''Wario World''===
[[File:WW Microgames Demo 9-Volt.png|frame|left]]
In ''[[Wario World]]'', an icon of 9-Volt can be found in [[Treasure Square]]. It is used to represent a demo of ''WarioWare, Inc.: Mega Microgame$!'' consisting of [[Butterfingers (microgame)|Butterfingers]], [[Chicken Pinch]], [[Gold Digger]], [[Ground Control|Paper Plane]], [[Tilt-n-Tumble]], [[Right in the Eye]] and [[Dry Eye]].
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===''Super Smash Bros.'' series===
In the [[Super Smash Bros. (series)|''Super Smash Bros.'' series]], 9-Volt appears in the form of a few collectible items. In ''[[Super Smash Bros. Brawl]]'', 9-Volt has two [[Sticker (Super Smash Bros. Brawl)|sticker]]s that can be equipped in the game's [[smashwiki:Adventure Mode: The Subspace Emissary|The Subspace Emissary]] mode. One of the stickers increases electric attacks by eight, while the other increases head attacks by five. In ''[[Super Smash Bros. for Wii U]]'', 9-Volt from ''Game & Wario'' is depicted along with his mother, [[5-Volt]], as a ''WarioWare'' series [[Trophy (Super Smash Bros. series)|trophy]], which can be purchased from the Trophy Shop. In ''[[Super Smash Bros. Ultimate]]'', 9-Volt appears alongside 18-Volt as an Ace-class support [[Spirit (Super Smash Bros. Ultimate)|spirit]], and equipping it to a fighter grants immunity to electric floors. In the game's [[smashwiki:Adventure Mode: World of Light|World of Light]] mode, the spirit is located on the [[smashwiki:Base|Base]] sub-map of [[smashwiki:The Light Realm|The Light Realm]], where in the corresponding battle, the player faces against [[Villager]] and [[Incineroar]] on the [[Gamer (stage)|Gamer]] stage. The core obtained from the 9-Volt & 18-Volt spirit can be combined with a Labrador Retriever's core to summon [[nookipedia:K.K. Slider|DJ K.K.]]'s spirit, referencing 9-Volt's DJ hobby.

In ''Super Smash Bros. Brawl'', one of the names that can be gotten from pressing the "RANDOM NAME" button is "9VOLT".

===Other appearances===
[[File:Rhythmware 9volt.jpeg|150px|thumb|9 Volt's appearance in the Wario... Where? set on ''Rhythm Heaven Megamix'']]
9-Volt along with 18-Volt makes a cameo as a background sign in ''[[Paper Airplane Chase]]'', appearing after the player reaches 120 points in Endless Mode. His appearance is based on his ''[[WarioWare: Smooth Moves]]'' design.

9-Volt makes an appearance in the Wario... Where? challenge set of ''[[Rhythm Heaven Megamix]]''. The set's version of [[rhythmheaven:Super Samurai Slice|Super Samurai Slice]] features 9-Volt piggybacking a katana-wielding 18-Volt, as the latter fends off assaults by demonic spirits in order to rescue [[Sal Out]].

From September 17 to September 21, 2021, ''[[Tetris 99]]'' ran the 24th Maximus Cup which featured a ''WarioWare: Get It Together!'' theme, where 9-Volt is represented by the "O" tetromino. In addition, from November 30 to December 4, 2023, ''Tetris 99'' ran the 37th Maximus Cup, which featured a ''WarioWare: Move It!'' theme, where 9-Volt once again appears in the background.
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==General information==
===Physical appearance===
[[File:9-Volt WarioWare Mega Microgames.png|120px|thumb|left|9-Volt's first design]]
9-Volt is a young elementary-schooler; as such, he takes on a short and stubby build. Although he appears throughout the ''WarioWare'' series, his appearance remains consistent. He has round eyes with thick black eyebrows, a button nose, and a cat-like mouth. 9-Volt has light-brown hair framed with star-like whispies. His hair has always been covered until ''[[WarioWare: Get It Together!]]'', when his shaggy hairstyle is shown for the first time. In his earlier appearances, his pupils were small, as with [[Wario]]. After the art-style change in ''[[WarioWare Gold]]'', his pupils were slightly enlarged and have a brown coloration.

He wears a yellow construction helmet that has a green translucent visor, two orange globes on each side, and built-in gray headphones. 9-Volt's shirt, gloves, and boots are colored red, while his triangular shirt collar and puffy pants are olive-green. His short-sleeved shirt has a front pocket bearing the initial of the word "volt". The gloves that he wears are inconsistent in design: they are depicted as either fingerless or fingered gloves.

In ''[[Game & Wario]]'', he is stylistically drawn in the title screen for his minigame, [[Gamer]], as with the other WarioWare employees. The art-style for this screen resembles cartoons. It features him in a lanky build; and a face with blue eyes with bloodshot sclerae, big ears, red curly hair, and freckles. He also wears a T-shirt with red sleeves which has the number 9 on it, green jeans, and white socks with purple stripes. The general artwork from the same game has his eyes solid-black, like the rest of the cast.

As revealed in ''WarioWare: Get It Together!'', he has his own set of pajamas consisting of an orange T-shirt, and shorts which have two stripes on each side. [[:File:WWGIT Gallery 9 Volt 2.png|One of the character gallery artworks]] has 9-Volt in a variation of his regular outfit, albeit without the construction helmet; he has a layered shirt with the initial "9", drawstring shorts with a wide yellow stripe on each side, and red loafers. In [[:File:WWGIT Gallery 5 Volt 5.png|another piece of artwork]], baby 9-Volt is shown with a light-yellow swaddling cloth. He is also drawn in the anime art-style in the title screen for the Variety Pack mode [[Frenemy Frenzy]].

==Profiles and statistics==
===''WarioWare'' series===
====Profile page from the ''WarioWare, Inc.: Mega Microgame$!'' manual====
<blockquote>''Hey! My name is 9-Volt! I'm the grade-schooler gone old school! I've put together a collection of retro classics that'll make you late for class. Come on over and try a few out! I'll spin the tunes while you play the games! I think [[Nintendo]] games are the greatest, so you can imagine my surprise when I found that [[Wario]] lives in my... uh, I mean that I live in his city!''</blockquote>

====Profile information from ''WarioWare, Inc.: Mega Party Game$!''====
*'''Occupation:''' Grade School Student
*'''Hobby:''' Skate Boarding
*'''Biggest Boast:''' His Nintendo Collection
*'''Bio:''' ''This high-tech skater boy studies at Diamond Elementary. He is such a Nintendo fanboy that he owns every piece of Nintendo hardware and software ever made.''

====Website bio from ''WarioWare: Touched!''====
''Old-skool fanboy finds a soulmate in new classmate 18-Volt. Together, they serve up microgames inspired by classic Nintendo games.''

====''Game & Wario'' character card====
-''Huge Nintendo fan''
<br>-''Elementary school student''
<br>-''Dreams of living on his own''
<br>-''Often stays up past bedtime''

====''WarioWare Gold'' character card====
*'''Rank C''' &ndash; ''9-Volt lives for Nintendo. He's got all the games, from retro to the very latest.  He's in elementary school.''
*'''Rank B''' &ndash; ''DJ'ing is 9-Volt's most leveled-up skill. Though just a school kid, he DJ's at clubs and mixes in game tunes.''
*'''Rank A''' &ndash; ''Skateboarding is 9-Volt's most leveled-up hobby. He loves going fast, even though he often drops Fronk.''

====''WarioWare: Get It Together!''====
=====European website bio=====
*"''His skateboard is always on the move, so slinging his yo-yo upwards at the right moment requires good timing.''"

=====Character description=====
*'''Intro description:''' "''This skateboarding school kid is obsessed with Nintendo games and has some serious DJing and yo-yo skills.''"
*'''Break Room description:''' "''This skateboarding school kid is obsessed with Nintendo games and has some serious DJing and yo-yo skills. He loves hanging with his pal 18-Volt and his "pet" Fronk.''"

====WarioWare, Inc. Official Site====
'''''<big>I'm Nintendo's #1 fan!</big>'''''<br>
"''The name's 9-Volt, and boy, do I love Nintendo! You wanna check out my room? It's loaded with amazing games and toys!''"
*'''Day job:''' "''I go to Diamond City Elementary!''"
*'''Hobbies:''' "''Collecting anything Nintendo and playing a whole lotta games! I've got the old stuff, the new stuff―all of the stuffs!''"
*'''Skills:''' "''I skateboard a lot... Oh, and I DJ sometimes too. Plus I've got unbeatable gaming skills!''"
*'''Family:''' "''My mom kicks butt at games just like me, and my dad's a firefighter. And let's not forget my awesome pet Fronk!''"
*'''Current obsessions:''' "''Playing games after my bedtime. Boy, does Mom get steamed when she catches me...''"
*'''Hopes and dreams:''' "''I can't wait to be a grown-up so I can play all the video games I want with my best buddy, 18-Volt!''"
*'''Message for Nintendo:''' "''Do you maybe have a job for me?''"
*'''CEO Comment:''' "''9-Volt is 5-Volt's son. Guess I'm a pretty nice guy, 'cause I let him take me on in two-player...but I beat the socks off the kid EVERY single time! How, you ask? By cheating, of course! Wahaha!''"

===''Super Smash Bros.'' series===
====''Super Smash Bros. Brawl''====
{{SSBB sticker
|name=9-Volt
|image=[[File:Sticker 9-Volt WWIMPG.png|x100px]]
|game=''WarioWare, Inc.: Mega Party Game$!''
|effect=[Electric] - Attack +8
}}
{{SSBB sticker
|name=9-Volt
|image=[[File:Sticker 9-Volt Touched.png|x100px]]
|game=''WarioWare: Touched!''
|effect=[Head] - Attack +5
}}

====''Super Smash Bros. for Wii U''====
{{SSB4 trophy
|name=9-Volt & His Mother
|image=[[File:9VoltandHisMotherWiiU.png|100px]]
|category=Stage
|appears_in='''GBA''' WarioWare, Inc.: Mega Microgame$! (05/2003)<br>'''Wii U''' Game & Wario (06/2013)
|trophy_box=59: WarioWare, Inc.
|unlock=Purchase at the [[smashwiki:Trophy Shop|Trophy Shop]]
|desc=Wario and friends' newest selection of minigames are all designed to be played with the Wii U GamePad. In Gamer, you take on the role of young 9-Volt, playing a selection of microgames in bed at night. When his mom pops her head in, you'd better pretend to be asleep. If she catches you playing, it's game over!
|desc2=The newest selection of minigames in Game & Wario are all designed to be played with the Wii U GamePad. GAMER has you take on the role of young 9-Volt, playing a selection of microgames in bed at night. When his mum pops her head in, you'd better pretend to be asleep, because if she catches you playing, it's game over!
}}

====''Super Smash Bros. Ultimate'' spirit====
{|border=1 align=center width=100% cellspacing=0 border=1 cellpadding=3 style="text-align:left; border-collapse:collapse; font-family:Arial; font-size:85%;"
|-
!rowspan=2 width=8% style="text-align:center;"|Name
!rowspan=2 class=unsortable width=10% style="text-align:center;"|Image
!rowspan=2 width=8% style="text-align:center;"|Series / game
!rowspan=2 width=5% style="text-align:center;"|Type
!rowspan=2 width=5% style="text-align:center;"|Class
!rowspan=2 width=8% style="text-align:center;"|Strength / effects
!rowspan=2 width=13% style="text-align:center;"|How to obtain
!colspan=4 width=40% style="text-align:center;"|Spirit battle
|-
!width=7% style="text-align:center;"|Opponent(s)
!class=unsortable width=19% style="text-align:center;"|Battle conditions
!width=7% style="text-align:center;"|Stage
!width=7% style="text-align:center;"|Song
|-
!align=center|9-Volt & 18-Volt
|align=center|[[File:SSBU_9-Volt_%26_18-Volt_Spirit.png|x100px]]
|''WarioWare'' Series
|Support (2)
|Ace
|Zap-Floor Immunity
|World of Light (Base)
|[[Incineroar]], [[Villager]]
|'''Rule:''' [[Assist Trophy]] Enemies (Sheriff), Item: [[Boss Galaga]]
*Hostile assist trophies will appear
*The enemy is easily distracted by items
|[[Gamer (stage)|Gamer]]
|WarioWare, Inc.
|}

==Portrayals==
During the history of the ''WarioWare'' game series' installments overall, 9-Volt has been portrayed by the following voice actresses:
*Melissa Hutchison (2018 - present, starting with ''[[WarioWare Gold]]'')
*Makoto Koichi (2018 - present, starting with ''WarioWare Gold''; Japanese version)
*Clara Schwarze (2018 - present, starting with ''WarioWare Gold''; NOE Spanish version)<ref>[https://www.doblajevideojuegos.es/fichajuego/warioware-gold/] Retrieved December 8, 2021.</ref>
*Nelly Rebibo (2018 - present, starting with ''WarioWare Gold''; French version)<ref>[https://nellyrebibo.com/references-voix-off/] Retrieved December 8, 2021.</ref>
*Paulina Weiner (2018 - present, starting with ''WarioWare Gold''; German version)<ref>[https://voicebase.de/Paulina-Weiner] Retrieved December 8, 2021.</ref>
*Cinzia Massironi (2018 - present, starting with ''WarioWare Gold''; Italian version)<ref>[https://www.antoniogenna.net/doppiaggio/vgames/wariowaregold.htm] Retrieved December 8, 2021.</ref>

==List of appearances==
{|class="wikitable sortable" width=100%
|-
!width=50%|Title
!width=20%|Description
!width=20%|Release date
!width=10%|System /format
|-
|''[[WarioWare, Inc.: Mega Microgame$!]]''
|Microgame host
|2003
|[[Game Boy Advance]]
|-
|''[[Wario World]]''
|Icon cameo at [[Treasure Square]]
|2003
|[[Nintendo GameCube]]
|-
|''[[WarioWare, Inc.: Mega Party Game$!]]''
|Microgame host, playable character
|2003
|[[Nintendo GameCube]]
|-
|''[[WarioWare: Twisted!]]''
|Microgame host
|2004
|[[Game Boy Advance]]
|-
|''[[WarioWare: Touched!]]''
|Microgame host
|2004
|[[Nintendo DS]]
|-
|''[[WarioWare: Smooth Moves]]''
|Microgame host
|2006
|[[Wii]]
|-
|''[[Super Smash Bros. Brawl]]''
|Sticker
|2008
|[[Wii]] 
|-
|''[[Paper Airplane Chase]]''
|Cameo as a background sign when reaching 120 points in Endless Mode
|2008
|[[Nintendo DSi]]
|-
|''[[WarioWare: D.I.Y.]]''
|Microgame host
|2009
|[[Nintendo DS]]
|-
|''[[WarioWare: D.I.Y. Showcase]]''
|Cameo in [[18-Volt]]'s stage
|2009
|[[Wii]]
|-
|''[[Game & Wario]]''
|Playable character
|2013
|[[Wii U]]
|-
|''[[Super Smash Bros. for Wii U]]''
|Trophy
|2014
|[[Wii U]]
|-
|''[[Rhythm Heaven Megamix]]''
|Wario... Where? host
|2015
|[[Nintendo 3DS]]
|-
|''[[WarioWare Gold]]''
|Microgame host
|2018
|[[Nintendo 3DS]]
|-
|''[[Super Smash Bros. Ultimate]]''
|Spirit
|2018
|[[Nintendo Switch]]
|-
|''[[WarioWare: Get It Together!]]''
|Microgame host, playable character
|2021
|[[Nintendo Switch]]
|-
|''[[Tetris 99]]''
|Cameo as an O-Tetromino
|2021
|[[Nintendo Switch]]
|-
|''[[WarioWare: Move It!]]
|Microgame host, playable character
|2023
|[[Nintendo Switch]]
|-
|}

==Gallery==
{{main-gallery}}
<gallery>
9 Volt.gif|''[[WarioWare, Inc.: Mega Microgame$!]]''
9-Volt WW Twisted artwork.jpg|[[WarioWare: Twisted!]]
9-Volt WWTouched art.svg|[[WarioWare: Touched!]]
WarioWare - Smooth Moves - 9-Volt.svg|''[[WarioWare: Smooth Moves]]''
9voltGW.png|''[[Game & Wario]]''
9-Volt Pose Gold.png|''[[WarioWare Gold]]''
WWGIT Gallery 9 Volt 3.png|''[[WarioWare: Get It Together!]]''
</gallery>

==Quotes==
{{main|List of 9-Volt quotes}}
*"''I think Nintendo games are the greatest, so you can imagine my surprise when I found that Wario lives in my... uh, I mean that I live in his city!!''" - ''WarioWare, Inc.: Mega Microgame$!''
*"''I'm totally crazy over video games! I wish I got graded on my games instead of homework...''" - ''WarioWare, Inc.: Mega Party Game$!''
*"''New games are cool, but they still don't rock as hard as old-school Nintendo games!''" - ''WarioWare: Touched!''
*"''The wait is killin' me!''" - ''WarioWare: Touched!''
*"''We rocked that game!''" - ''WarioWare: Touched!''
*"''You'll always be my P2!''" - ''WarioWare: Smooth Moves''
*"''You GOT it?!''"
*"''You're on FIRE!''"
*"''9-VOLT!!''"
*"''Wow, ALREADY?!''"
*"''Too BAD...!''"
*"''Ahh... 9-VOLT!!''"
*"''Hello? Hello??''"

==Names in other languages==
{{foreign names
|Jap=ナインボルト<br>''Nain Boruto''<br>{{hover|９Ｖｏｌｔ|ナインボルト}}<ref>Nintendo. [https://www.nintendo.co.jp/ds/azwj/02-0.html さわるメイドインワリオ]. ''nintendo.co.jp''. Retrieved December 6, 2016.</ref><br>''Nain Boruto''
|JapM=Nine Volts<br><br>9-Volt
|ChiS=九伏<br>''Jiǔ Fú'' <ref>iQue. [http://www.ique.com/games/WarioWare/touchingisgood.html WarioWare Touched! for Nintendo DS]. Retrieved December 6, 2016.</ref> <small>(''WarioWare, Inc.: Mega Microgame$!'', ''WarioWare: Touched!'' and ''Super Smash Bros. Ultimate'')</small><br>九伏特<br>''Jiǔ Fútè'' <small>(''WarioWare: Get It Together!'')</small>
|ChiSM=Nine Volts
|ChiS2M=Nine Volts
|ChiT=九伏特
|ChiTR=Jiǔ Fútè
|ChiTM=Nine Volts
|Dut=9-Volt
|Ger=9-Volt
|Ita=9-Volt
|Fre=9-Volt
|Rus=9 Вольт<ref> NintendoRU. (November 22, 2018). [https://www.youtube.com/watch?v=fUzXmgsV73c WarioWare Gold — трейлер с персонажами 5 Вольт, 9 Вольт и 18 Вольт (Nintendo 3DS)]. Retrieved November 22, 2018.</ref>
|RusR=9 Vol't
|RusM=9 Volt
|Kor=9 볼트<br>''9 Bolteu''<ref>Nintendo. [http://www.nintendo.co.kr/DS/soft/wario/wario_sub07.php 만져라 메이드 인 와리오]. ''nintendo.co.kr''. Retrieved December 6, 2016.</ref><br>나인볼트<br>''Nainbolteu'' <small>(''WarioWare: Get It Together!'')</small>
|KorM=9-Volt<br><br>Nine Volts
|Por=9-Volt
|Spa=9-Volt
}}

==References==
{{NIWA|RhythmHeaven=9-Volt & 18-Volt}}
<references/>

{{navboxes|
{{9-Volt & 18-Volt's microgames}}
{{Humans}}
{{WWIMM}}
{{WarioWare: Twisted!}}
{{WarioWare: Touched!}}
{{WWSM}}
{{WWDIY}}
{{WWDIYS}}
{{Game & Wario}}
{{WWG}}
{{WWGIT}}
{{WWMI}}}}
[[Category:Humans]]
[[Category:Children]]
[[Category:Playable characters]]
[[Category:Game & Wario characters]]
[[Category:Super Smash Bros. Brawl stickers]]
[[Category:Super Smash Bros. for Wii U trophies]]
[[Category:Super Smash Bros. Ultimate spirits]]
[[Category:Wario allies]]
[[Category:WarioWare: D.I.Y. characters]]
[[Category:WarioWare: Get It Together! characters]]
[[Category:WarioWare Gold characters]]
[[Category:WarioWare, Inc.: Mega Microgame$! characters]]
[[Category:WarioWare: Move It! characters]]
[[Category:WarioWare: Smooth Moves characters]]
[[Category:WarioWare: Touched! characters]]
[[Category:WarioWare: Twisted! characters]]
[[de:9-Volt]]
[[it:9-Volt]]