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KSA Marx Artwork.png
Artwork of Marx from Kirby Star Allies.
First appearance Kirby Super Star (1996)
Latest appearance Kirby's Return to Dream Land Deluxe (2023, cameo)
Other appearance(s) Kirby Super Star Ultra
Kirby Mass Attack (Kirby Brawlball)
Kirby Star Allies
Super Smash Bros. Ultimate
Cameo appearances Kirby: Squeak Squad
Kirby's Return to Dream Land
Kirby: Triple Deluxe
Kirby: Planet Robobot
Super Kirby Clash
Kirby's Dream Buffet
Related Marx Soul
Similar Magolor
Theme music

Clip of Marx's boss battle theme from Kirby Super Star Ultra

"Marx" on other NIWA wikis:
Niwa.png SmashWiki
Super Mario Wiki
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I did it! It all went according to plan! I got the sun and moon to fight. I got you to go into space... it was all according to my perfect little plan! Now I can cause all the mischief I want! Haha! See you later!
— Marx in Milky Way Wishes, Kirby Super Star Ultra

Marx is a mischievous, small, round, jester-like creature from Popstar who serves as the final boss and main antagonist of Milky Way Wishes from Kirby Super Star and its remake, Kirby Super Star Ultra. In this role, he feigns to be Kirby's ally and instructs him to summon the Galactic Nova to stop the Sun and Moon from fighting, but then steals Kirby's wish at just the right moment to gain immense magical power. With this power, Marx intends to take over Popstar so that he can cause all the mischief he wants, so Kirby uses the Starship to chase him down and defeats both him and the Galactic Nova, famously sending Marx careening into Nova to blow it to smithereens. In The True Arena, Marx is subsequently reincarnated into Marx Soul by absorbing pieces of the destroyed Nova, forcing Kirby to battle him again, though whether or not this battle officially happens in the main storyline is not confirmed.

Since this initial set of appearances, Marx has frequently appeared in subsequent games, though usually as little more than a cameo or reference. He would become playable for the first time as a Dream Friend in Kirby Star Allies, where his moveset mainly revolves around using his ball as a projectile and using his attacks as a boss in Kirby Super Star. Many of those latter attacks would be referenced and reused by subsequent final bosses in the Kirby series, with the most commonly-referenced attacks including Black Hole, "Marx Cannon", and Shooter Cutter. His character arc (and several of his attacks) would also be directly referenced by Magolor, and the two would subsequently become associated in various external media for the franchise. Marx has also made appearances outside of the Kirby series, with the most notable being his inclusion as a boss in Super Smash Bros. Ultimate.


In his default form, Marx is light purple and round with large eyes, no arms, a red bow tie, brown shoes, and a jester hat which has a style and color scheme similar to Mirror Kirby's hat in older games. His eyes are rather large and bulbous when compared to his body, and are very rounded. He typically has an open smile on his face, with two small fangs showing if he smiles wide enough. These fangs are more prominent when Marx shows his true form. Marx is often seen balancing and rolling around on an inflatable ball like a clown, and can punt this ball at his enemies to attack them in Kirby Star Allies.

Marx's true form has a large pair of wings made of glowing floating crystals which shift in color and are supported by two yellow arm-like appendages with claws on them. This form of Marx has a longer bow tie and much more menacing eyes. He also becomes somewhat larger in stature, at least when fought as a boss in Kirby Super Star. In Kirby Star Allies, Marx can assume this form at will in order to fly around and access his more potent moves.

Game appearances[edit]

Marx's video game appearances  
Game Role Notes
Kirby series
Kirby Super Star Main antagonist and final boss Marx is the final boss of Milky Way Wishes and doesn't appear anywhere else outside of The Arena.
Kirby: Squeak Squad Cameo Appears in one of the Graphics along with other Final Bosses.
Kirby Super Star Ultra Main antagonist and final boss As this is a remake of Kirby Super Star, his role doesn't change.
Kirby Mass Attack Final boss Marx is the final boss of the Kirby Brawlball Sub-Game.
Kirby's Return to Dream Land Cameo Appears as one of the Stone Kirby transformations. He is also part of the audience in the Kirby Master video.
Kirby: Triple Deluxe Cameo Appears as one of the Stone Kirby transformations, paired with Magolor. He is also part of the audience in the Kirby Master video. A keychain of his boss form also appears.
Kirby Fighters Deluxe Reference One of the Rare Outfits for Beam Kirby bears his likeness.
Kirby: Planet Robobot Reference Appears as a sticker.
Kirby Star Allies Playable character Available since Version 2.0.0.
Super Kirby Clash Reference One of the gear sets is based on him. Additionally, a sticker of him also appears.
Kirby Fighters 2 Reference The Rare Hat from Kirby Fighters Deluxe resembling his likeness returns in this game.
Kirby's Dream Buffet Reference Marx's likeness appears as a costume and color for Kirby. Marx also appears on a Character Treat.
Kirby's Return to Dream Land Deluxe Cameo Appears as one of the Stone Kirby transformations, a golden statue in Merry Magoland as a reward for completing 50 Missions, and his likeness appears as a Dress-Up Mask. He is also part of the audience in the Kirby Master video.
Super Smash Bros. series
Super Smash Bros. Ultimate Boss Includes new attacks specific to this game.

Kirby Super Star / Kirby Super Star Ultra[edit]

KSS Cutscene Marx sprite.png
Marx wishing to Nova for control over Popstar.

Marx makes his debut and most defining appearance in Kirby Super Star and its remake Kirby Super Star Ultra as a character in Milky Way Wishes. Here, he appears before Kirby to inform him that the only way to stop the Sun and Moon from fighting is to gather the stars from each planet surrounding Popstar and use their power to summon the great comet Nova, who can grant the wishes of whoever summons it. While seeming innocent at first, when Kirby carries out this task and calls forth the Nova, Marx boots the pink puffball aside and steals his wish, making it known to Nova his desire to rule over Popstar. From here, Marx assumes his menacing true form and gloats to Kirby about having orchestrated the whole scenario to grab this opportunity at power, then leaves Kirby to float aimlessly in space. However, Kirby is able to rally the stars he collected and chase after Nova and Marx using the Starship.

Final Boss fight against Marx in Kirby Super Star (left) and Kirby Super Star Ultra (right)

After the Galactic Nova stage is cleared, Kirby is automatically thrown onto an unknown planet where he must do battle with Marx in his powered-up state. In this fight, Marx uses a variety of outlandish attacks, including dropping seeds that rapidly sprout as spiky vines, shooting lasers from his mouth, and splitting himself in half to create a black hole. Despite these horrific powers, Kirby is able to overcome the traitorous jester and defeat him, sending him careening into the deactivated Nova to obliterate them both and restore peace to the Milky Way. Despite this seeming annihilation, Marx apparently survived and is now a friend of Kirby's (if his appearance as a Dream Friend in Kirby Star Allies is to be taken at face value).

In addition to his role in Milky Way Wishes, Marx is also fought as the last boss in The Arena. In Kirby Super Star Ultra, Marx has a role at the end of The True Arena mode. Here, it is revealed that, after his defeat at the ending of Milky Way Wishes, Marx's inert body began to absorb errant pieces from Nova as flashes of energy. With this new power, Marx is reincarnated as Marx Soul, the final boss of this mode. Marx also appears on a card in Kirby Card Swipe.


Marx uses a variety of moves in battle. His main ability is teleporting, but he has many other attacks, as detailed below.

Marx has 350 HP.

Marx's Attacks
Attack Description Notes
Marx quickly teleports to another part of the screen. Typically does this between attacks.
Sometimes teleports multiple times in quick succession.
Marx is invulnerable while teleporting.
Shooter Cutter
Marx appears to teleport, but instead shoots out four cutter boomerangs.
This attack has since appeared in many later final bosses in the Kirby series.
Cutters can be inhaled and give the Cutter ability if swallowed.
Deals chip damage in Kirby Super Star but not Kirby Super Star Ultra.
Seed Attack
Marx flies off the screen, dropping four damaging seeds in random places in the arena.
About a second later, thorn vines spring up from where the seeds landed.
Seeds cannot be inhaled but can be grabbed by grabbing moves.
Shadow Uppercut Marx appears as a flashing circle on the ground that follows Kirby.
After a few seconds, he springs up in an attempt to ram into Kirby.
Arrow Arrow
Marx flashes and then releases hundreds of damaging arrows from his body.
After the arrow barrage, he swoops off the stage.
Ice Ball
Marx puffs his cheeks, then drops a bomb out of his mouth.
After reaching Kirby's height, the bomb explodes into two icy shockwaves that can freeze Kirby in the air or on the ground.
Both the bomb and shockwaves can be inhaled and give the Ice ability if swallowed.
Marx Cannon
Marx puffs his cheeks, then fires an enormous, damaging beam out of his mouth. Cannot be guarded, but can be dodged by crouching.
Black Hole Marx splits in half, creating a black hole. If Kirby is sucked in, he is transported to an alternate dimension in which he takes massive unavoidable damage.
Can be avoided by dashing to one end of the stage.
Cannot be guarded.
Marx only uses this attack after reaching 30% health.
Japanese attack names are taken from the Japanese Kirby Super Star Ultra guide book; English attack names are taken from Marx's Dream Friend moveset in Kirby Star Allies.

Above 30% health, Marx attacks in the following fixed order on loop:

  1. Shooter Cutter
  2. Seed Attack
  3. Shadow Uppercut
  4. Arrow Arrow
  5. Ice Ball
  6. Marx Cannon

At 30% health or lower, Marx's attack pattern changes to the following order on loop:

  1. Shooter Cutter
  2. Ice Ball
  3. Black Hole
  4. Arrow Arrow
  5. Seed Attack
  6. Marx Cannon
  7. Shadow Uppercut

Additionally, Marx's idle animation speeds up and in Kirby Super Star Ultra, the background begins glowing red.

Kirby: Squeak Squad[edit]

In Kirby: Squeak Squad, Marx (True Form) appears in a Graphic featuring various final bosses from the Kirby series.

Kirby Mass Attack[edit]

KMA Minimarx sprite.png
Marx's sprite from Kirby Brawlball.

In Kirby Mass Attack, Marx appears in the sub-game Kirby Brawlball as the fourth and final boss. He is much bigger than in his previous appearances. His Shooter Cutter and Arrow Arrow attacks serve as objects that can push Kirby down. His Marx Cannon can freeze Kirby for a few seconds if he's caught in it. With his Black Hole attack, he will suck up random enemies, then shoot them out of his mouth. These enemies can't touch Kirby, but he can be sucked by the attack as well, which may cause the player to lose sight of him. His Seed Attack vines appear as obstacles in the field. Copies of his original form, known as the Minimarx,[from internal data] also appear in the field. Kirby can defeat him for two extra Kirby balls, though this can only be done up to five times.

Kirby's Return to Dream Land / Kirby's Return to Dream Land Deluxe[edit]

In Kirby's Return to Dream Land, Marx makes two cameo appearances. One of Stone Kirby's transformations is of Marx on his ball. Marx proper can also be seen among the audience in the Kirby Master video.

In Kirby's Return to Dream Land Deluxe, Marx has two dedicated Dress-Up Masks - his regular form and Soul form. These masks replace the player character's voice with the corresponding laughs from either form. In Merry Magoland, a gold statue of him appears after completing 50 missions, based on his pose in his official artwork from Kirby Star Allies.

Kirby: Triple Deluxe[edit]

In Kirby: Triple Deluxe, Marx again appears as a Stone sculpture, again riding his ball, but this time paired up with Magolor. He also appears among the audience in the Kirby Master video. Both Marx and Marx Soul appear as Keychains.

Kirby Fighters Deluxe & Kirby Fighters 2[edit]

The "Marx's Hat" costume for Beam Kirby from Kirby Fighters 2

In Kirby Fighters Deluxe, the Beam Ability's Rare Outfit is made in Marx's likeness. When being worn, Kirby will wear Marx's Hat and a staff with a purple orb. This outfit returns in Kirby Fighters 2.

Kirby: Planet Robobot[edit]

In Kirby: Planet Robobot, Marx appears as a sticker.

Kirby Star Allies[edit]

Marx fires the Team Attack laser with Kirby Piggybacking on him.
The famous jester from Kirby Super Star has finally arrived to get in on the action! Sure, he's had a diabolical past as a final boss, but he'll be your buddy if you keep him well-fed. It's a dream come true!
— Flavor text of Marx in Story Mode and The Ultimate Choice
"Got a plan? Glad to help!"
The cosmic jester from Kirby Super Star sensed danger from afar and is ready to roll across galaxies on his ball! This final boss is here to help!

— Guest Star Marx Galactic Ambition Pause Screen description in Kirby Star Allies

Marx appears as a Dream Friend in Kirby Star Allies, added with Version 2.0.0 of the game on March 28th, 2018. His appearance here marks the first time he is playable in the Kirby series.

Marx's attack style revolves around his ability to kick jester balls at his opponents and, while flying, use several attacks from his boss form. He is able to receive elemental powers from other allies which can further boost his arsenal.


Marx's Dream Friend Moveset in Kirby Star Allies  
Skill Button Execution Skill Button Execution
Jester Ball Ride
Black Hole
Press and hold B during Radiant Flight, then release
Ball Kick
B during Jester Ball Ride
Marx Megaspin
Dash and press ↓ + B in midair
Change Kick Angle
Press and hold B + (direction) during Jester Ball Ride
Marx Flip Ultima
↓ + B in midair
Ball Kick Shot
Dash + B
Shadow Uppercut
Fly into the ground using Marx Flip Ultima
Time-Bomb Jester Ball
↓ + B
Dash + B in midair
Prank Kick
B near an enemy
Flip Ultima Combo
↓ + B during Rush
Radiant Flight
A in midair
Spin Combo
↑↓ + B during Rush
Jester Ball Spit-Drop
Press and release B during Radiant Flight

When given a certain element, many of Marx's attacks take on additional effects which are reminiscent of some of his boss moves in Kirby Super Star and its remake:

  • Using Jester Ball Spit-Drop with Blizzard causes ice shockwaves to spread out after the ball is dropped, resembling 'Ice Ball'.
  • Using Jester Ball Spit-Drop with Bluster causes him to shoot out 4 cutters all around himself, resembling 'Shooter Cutter'.
  • Using Jester Ball Spit-Drop with Splash causes spiky vines to shoot out of the ground, resembling 'Seed Attack'.
  • Using Rush with Zap causes him to shoot numerous lightning arrows forward, resembling 'Arrow Arrow'.

In addition, when Marx performs the Team Attack with his allies, he has a unique firing pose which resembles the strange expression with which he fires 'Marx Cannon', complete with a unique sound effect.

Kirby being attacked by Marx during the surprise boss battle in the credits for Heroes in Another Dimension.

Marx also appears as a surprise bonus boss in the Happy Ending credits of Heroes in Another Dimension, where he utilizes all of his moves from the original boss fight. He uses his laugh from Kirby Super Star Ultra, despite the playable Marx using his Kirby Super Star laugh. If he is not defeated by the time the credits come to a close, he flees. He attacks in a fixed order on loop as follows:

  1. Shooter Cutter
  2. Seed Attack
  3. Shadow Uppercut
  4. Arrow Arrow
  5. Ice Ball
  6. Marx Cannon
  7. Black Hole

The teleports between each attack are random.


  • Since Version 2.0.0, the Stone ability can transform into Marx's true form splitting in half.
  • Since Version 2.0.0, a hidden stone plate of Marx's true form can be found after activating the Pull Switch at the end of Extra Planet β.
  • Marx appears in three Celebration Pictures: "Super Ultra Battle", "Crazy Mischief in the Stars", and "Bad Boss Brothers".

Super Kirby Clash[edit]

In Super Kirby Clash, Marx has two gear in his likeness. These items are a weapon named "Marx's Staff" and an armor called "Marx's Hat". When paired together, these items are an almost exact match for the Marx's Hat costume from the Kirby Fighters games.

Marx also has two stickers, one on his regular form with the caption "Hey heyyy!", and another on his soul form with the caption "Ha-HAAA!".

Kirby's Dream Buffet[edit]

In Kirby's Dream Buffet, a Marx costume and color palette can be chosen for Kirby once they are unlocked. Additionally, Marx appears as a Character Treat, depicting his artwork from Kirby Super Star.

Super Smash Bros. Ultimate[edit]

SmashWiki has more information about this subject here.
Artwork of Marx from Super Smash Bros. Ultimate.

In Super Smash Bros. Ultimate, Marx retains his role as a boss and his moveset from Kirby Super Star (except the arrow attack), but has three new attacks which can greatly weaken the fighter's shield:

  • Marx's eyes turn dark and black bouncy balls appear, which deal darkness damage.
  • Marx goes into the middle of the arena, retracts his wings, and causes veins to come out and spread across the arena, which deal fire damage.
  • Marx's eyes grow and his pupils multiply, causing him to shoot out multiple purple lasers out of his eyes, which deal electric damage.

Marx's cutters and ice balls can be inhaled or reflected. After beating Marx, he bounces on the stage sporadically while screaming before he lands on the floor with his wings separated.

In Classic Mode, the only characters to fight Marx are Kirby, Rosalina & Luma, Inkling, and Sephiroth.

In Adventure Mode: World of Light, Marx is one of the three bosses of Dharkon's army in The Dark Realm, first fought at the end of Mysterious Dimension. Defeating him in Mysterious Dimension rewards the Primary Spirit of Marx in his small form (★★ Advanced, Grab-type, 3 slots; Skill: none, attack: 1,001 base, 4,004 max, defense: 587 base, 2,351 max), which can be enhanced into Marx (True Form) (★★★★ Legend, Grab-type, 3 slots; Skill: Magic Attack ↑, attack: 2,533 base, 6,333 max, defense: 1,654 base, 4,153 max). Later, Marx and the other five bosses of Galeem's and Dharkon's armies are fought again in a boss rush during the final battle.

Additionally, a hat based on the one Marx wears can be worn by Mii Fighters.

According to Masahiro Sakurai during his "Mr. Sakurai Presents 'Sephiroth'" video for Super Smash Bros. Ultimate, Marx was initially much creepier than in his final appearance, to the point where he "wasn't suitable for all audiences", so changes had to be made to tone him down.[1] It is unclear whether this is referring to his original Kirby Super Star appearance or his Super Smash Bros. Ultimate appearance.


Main article: Vs. Marx

Marx's theme song is his boss battle theme of Kirby Super Star and its remake, "Vs. Marx" (also titled "Meddlesome Marx"), and is known for its frequently changing odd time signatures. It has been referenced and remixed many times in Kirby media, as well as in the Super Smash Bros. series.


  • The Japanese manual of Kirby Super Star describes Marx as a magician (魔法使い).[2] In Super Smash Bros. Ultimate, the Spirit of Marx (True Form) has the Magic Attack ↑ skill, which possibly references him being a magician.
  • The planet Marx is fought on is referred to as ???, which is the same name as that of the secret planet (which is where Kirby gets the Copy Essence Deluxe of Copy).
  • Marx has no hands, so he uses his hat to grab things like Pull Switches in Kirby Star Allies. However, he does have hands in the Kirby of the Stars! Moretsu Pupupu Hour! manga series.
  • Some unused data in Marx's boss battle in The Happiest Curtain Call in Kirby Star Allies includes a health bar and unique music (which is the same music that plays when fighting Morpho Knight as Marx). This may indicate that Marx was planned as a secret boss elsewhere in the game at one point.[3]


Main article: Marx/gallery


Marx's Dream Friend trailer for Kirby Star Allies


Quotes from Marx in Kirby Super Star and Kirby Super Star Ultra  
  • "Hey, hey, hey."
  • "Can you make peace between the Sun and Moon?"
  • "You need to ask the giant comet NOVA for help!"
  • "But first, there's something we must do."
  • "To ask NOVA, we must gather power from all the stars around us."
  • "It will be difficult, Kirby, but you can do it!"
  • "We are counting on you. Good luck!"
  • "Well, I want to control POPSTAR!"
  • "WOW! It worked."
  • "The Sun & Moon are fighting. Go find NOVA."
  • "All my plans worked!"
  • "POPSTAR is all MINE!"
  • "Now, I can do anything! I must be going now."
  • "Hahahahahahahah...."
  • "Hey, hey, hey."
  • "Can you make peace between the Sun and Moon?"
  • "You need to ask the giant comet Nova for help!"
  • "But first, there's something we must do."
  • "To ask Nova, we must gather power from all the stars around us."
  • "It will be difficult, Kirby, but you can do it!"
  • "We are counting on you. Good luck!"
  • "Well, I want to control Pop Star!"
  • "I did it! It all went according to plan!"
  • "I got the sun and moon to fight. I got you to go into space..."
  • "It was all according to my perfect little plan!"
  • "So now Pop Star is mine! All mine!"
  • "Now I can cause all the mischief I want! Haha! See you later!"
  • "Ho ho ho ho! Ohh ho ho ho! Ho ho ho ho ho! Ohh ho ho ho...!"

Names in other languages[edit]

Language Name Meaning
Japanese マルク
An uncommon spelling of the name "Mark" (usually マーク Māku); rendered "Marx" in official romanizations.
Traditional Chinese 魔嚕酷
mó lū kù
Transcription of Maruku
  • The character 魔, while having many meanings, here means "demon" considering Marx's characteristics. There is a "Demon" Kanji sticker in Kirby: Planet Robobot.
  • The character 酷 can mean "cruel" or "cool" in different contexts.
Simplified Chinese 魔噜酷
mó lū kù
Dutch Marx -
French Max -
German Max -
Italian Mark -
Korean 마르크
Portuguese Marx -
Russian Маркс
Spanish Marx -


  1. "OK. Next up is Marx, who is creepy in an uncanny sort of way. Actually, this character was initially a lot creepier. He wasn't suitable for all audiences. So we had to soften him. Personally, I wish we could've made him a bit creepier." –Masahiro Sakurai ( (Nintendo. (December 17, 2020)). Super Smash Bros. Ultimate - Mr. Sakurai Presents "Sephiroth". YouTube.)
  2. "魔法使いのマルクは、ポップスターのそばにある星々をつなげることで大彗星を呼べば解決することを教えてくれました。" –Japanese Kirby Super Star instruction manual (page 26)
  3. YouTube