Bowser Jr. (SSBU)

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This article is about Bowser Jr.'s appearance in Super Smash Bros. Ultimate. For the character in other contexts, see Bowser Jr..
Bowser Jr.
in Super Smash Bros. Ultimate

Bowser Jr. SSBU.png

Bowser Jr.-Alt1 SSBU.png

Bowser Jr.-Alt2 SSBU.png

Bowser Jr.-Alt3 SSBU.png

Bowser Jr.-Alt4 SSBU.png

Bowser Jr.-Alt5 SSBU.png

Bowser Jr.-Alt6 SSBU.png

Bowser Jr.-Alt7 SSBU.png

Universe Mario
Other Smash Bros. appearance in SSB4

Availability Unlockable
Final Smash Shadow Mario Paint
The Jr. Clown Car this little fella rides in takes less damage when attacked than Bowser Jr. himself—so try to stay in the car when taking damage. The different color variations are the Koopalings!
Super Smash Blog, Super Smash Bros. Ultimate Official Site

Bowser Jr. (クッパJr., Koopa Jr.) is a playable character in Super Smash Bros. Ultimate. He was revealed for the game along with the rest of the veterans on June 12th, 2018. He returns with his Junior Clown Car, and the Koopalings also return as his alternate costumes. Bowser Jr. is classified as fighter #58.

As in Smash 4, Caety Sagoian's portrayals of Bowser Jr. in the Mario games were repurposed for Ultimate. In addition, Lani Minella’s portrayals of Larry, Morton, Wendy, and Lemmy, Mike Vaughn’s portrayals of Iggy and Ludwig, and Dan Falcone’s portrayal of Roy from the New Super Mario Bros. games that were used in Smash 4 were also repurposed for Ultimate.

How to unlock[edit]

Complete one of the following:

  • Play VS. matches, with Bowser Jr. being the 61st character to be unlocked.
  • Clear Classic Mode with Fox or any character in his unlock tree, being the sixth character unlocked after Daisy.
  • Have Bowser Jr. join the player's party in World of Light.

With the exception of the third method, Bowser Jr. must then be defeated on Delfino Plaza.


Bowser Jr. is a unique heavyweight in the sense that, his Junior Clown Car has a separate hurtbox from him, making his survivability variable. Bowser Jr. has the sixtieth fastest walking speed, sixty-second fastest dashing speed and initial dash, twenty-sixth fastest air speed, thirty-first highest air acceleration, thirty-fourth highest gravity, the twenty-eighth fastest falling speed and fast falling speed, and the sixty-eighth highest traction. As a result of these attributes, Bowser Jr.'s mobility is merely average in most cases, though many characters supersede him in terms of approach.

Bowser Jr. possesses a unique mechanic, in which, his Junior Clown Car takes less damage from all incoming attacks. This, coupled with his high weight, gives Bowser Jr. potentially above-average survivability compared to other characters, and even other heavyweights. Bowser Jr. also possesses a purely disjointed moveset and two good projectiles in Clown Cannon and Mechakoopa, giving him a ranged gameplan.

Clown Cannon can have two cannonballs in play at the same time, deals good damage and knockback, and its cannonballs travel quickly. This, as a result, makes Clown Cannon good for disrupting or throwing off approaches, as well as KOing at high percentages. This is further compounded by its outstanding shield damage, making Clown Cannon a viable punishing tool. Mechakoopa is also disruptive in its own right, due to its explosion that is induced from hitting it. The Mechakoopa always follows opponents no matter the circumstances, and explodes upon contact, serving as an excellent KO setup against launched opponents.

Changes from Super Smash Bros. 4[edit]

While Bowser Jr. did not receive as many direct changes to his standard moveset compared to the rest of the cast, he did obtain some notable improvements due to his attributes and special moves.

One of the biggest changes include the Junior Clown Car now taking priority over Bowser Jr.'s hurtbox, making him unique as he will now take less damage on average compared to any other fighter. He also benefits heavily from the universal frame 3 jumpsquat, allowing him to use his formidable aerials more effectively. Bowser Jr.'s mobility is also better, due to his higher walking, dashing, and air speeds; his increased dashing speed contributes to a better grounded approach, while his increased air speed slightly aids his air game and recovery. His up tilt and grab's infamously misleading hitboxes have been fixed (with the latter being given more range). Up throw is now capable of starting combos (albeit still limited), while his down throw now deals more damage, patching his previously lackluster grab game.

His special moves, previously notorious for their lag and/or situational use, have been buffed significantly. Clown Cannon, a previously slow projectile with limited use, is now less punishable due to its decrease in lag and increase in lifetime if fired in the air, and two can be in play at once. It also deals far more shield damage; an uncharged landing cannonball can now hit twice to almost break a full shield. Clown Kart Dash allows Bowser Jr. to keep his double jump if cancelled, no longer requires travel time to deal maximum damage and immediately deals higher damage if the directional key is held forward, while its spinout deals far more knockback, making the move harder-hitting in general. Mechakoopa has had its lag reduced and the Mechakoopas start moving quicker; it also bites onto victims, guaranteeing that the second hit will connect. Finally, Abandon Ship!'s hammer swing is faster, at the expense of the exploding kart having less knockback.

However, Bowser Jr. has received some notable nerfs, including a significantly less damaging neutral attack, a sourspot on his forward tilt, and the removal of air dodging out of Clown Kart Dash. In addition, he retains many former flaws that are still notable, including his extremely gimpable recovery and, despite being buffed, a below-average set of throws.

Overall, Bowser Jr.'s moveset and attributes have been retooled to be more consistent and significantly less situational that in Smash 4, allowing him to zone opponents more effectively. As of now, it is unknown how his changes will affect him compared to the rest of the cast.


  • Change As with all veterans returning from SSB4, Bowser Jr.'s model features a more subdued color scheme. Like his father, his horns, hair, and spikes feature simple detailing, but his scales remain undefined and his body is not as monotone. The new detailing is also expressed by the Koopalings.
    • Change The Junior Clown Car's color scheme is also more subdued. In addition, the inside of the Junior Clown Car now contains a control panel.
  • Change The Junior Clown Car is more expressive, with new facial animations when Bowser Jr. gets hit and when he misses a grab.
  • Change The Koopalings are more emotive than before, with their eyes and mouths animating somewhat differently from Bowser Jr.'s. Previously, only Lemmy had unique expressions.
  • Change Instead of a hammer, the Koopalings pull out their respective wands from Super Mario Bros. 3 and the New Super Mario Bros. games.
  • Change Bowser Jr. has a different pose during air dodge.
  • Change Bowser Jr. now grabs the ledge with one hand as opposed to two, and has a panicked expression on his face.
  • Change Bowser Jr. has an animation for grabbing the ledge without the car.


  • Buff Like all characters, Bowser Jr.'s jumpsquat animation now takes three frames to complete (down from 6).
  • Buff Bowser Jr. runs faster (1.424 → 1.566).
    • Buff Bowser Jr.'s initial dash is faster (1.6 → 1.76).
  • Buff Bowser Jr. walks faster (0.88 → 0.924).
  • Buff Bowser Jr.'s air speed is faster (1.08 → 1.134)
  • Buff Bowser Jr.'s Clown Car hurtbox takes priority over his body hurtbox, meaning that the opponent has to intentionally aim for his head to deal increased damage. Because of this, Bowser Jr. takes less damage from attacks than any other character.

Ground attacks[edit]

  • Neutral attack:
    • Buff Hit 2 has less ending lag (FAF 40 → 30).
    • Buff The looping hits have less startup lag (frame 10 → 4) and a faster rehit rate (frames between hits: 4 → 2).
    • Buff The last hit deals more knockback, has less startup (frame 8 → 7) and ending lag (FAF 44 → 39) and a bigger hitbox.
    • Nerf First hit and looping hits deals less damage (first hit: 3% → 2%, loop: 2% → 0.5%).
  • Forward tilt:
    • Buff Forward tilt has less ending lag (FAF 34 → 32).
    • Change Forward tilt deals less knockback.
    • Nerf Forward tilt has a sourspot that deals less damage (8% → 6%).
  • Up tilt:
    • Buff Up tilt's blind spot between the fork's prongs and the Junior Clown Car has been removed, it can hit prone or crouching targets.
  • Down tilt:
    • Buff Down tilt deals more total damage (8% → 10%).
    • Buff Down tilt deals more knockback.
    • Nerf The first two hits can be escaped from with SDI at very high percents.
    • Change Down tilt can consume healing items, like food.
  • Dash attack:
    • Buff Dash attack deals more total damage (11% → 13%).
    • Buff Dash attack hits connects more reliably.
    • Buff Dash attack has less ending lag (FAF 50 → 48).
  • Forward smash
    • Buff Forward smash's final hit has slightly less startup lag (frame 36 → 35) making it connect more reliably from the looping hits, though opponents still sometimes fall out.
  • Up smash
    • Buff Up smash has less ending lag (FAF 57 → 54).
  • Down smash
    • Buff Down smash deals more knockback.

Aerial attacks[edit]

  • Buff All aerials have less landing lag (Neutral: frame 18 → 9, Forward: 27 → 16, Back: 24 → 14, Up: 15 → 9, Down: 25 → 15).
  • Neutral aerial:
    • Buff All hitboxes of neutral aerial deal more damage (clean: 6% → 8%, mid: 5% → 7%, late: 3% → 5%).
  • Forward aerial:
    • Buff Forward aerial no longer has a sourspot. It has also lost the late hit that deals 5%, making the weakest possible hit the previous sourspot's middle hit (7%).
  • Down aerial:
    • Buff Looping hits deal more damage (1.3% → 1.5%) and have 1 less frame of lag between each hit, making them connect more reliably.
    • Buff Final aerial hit deals more damage (2% → 2.5%).

Throws/other attacks[edit]

  • Change Bowser Jr. preemptively pulls out his toy hammer in his grab animation, and will look dejected if it misses.
  • Buff Standing grab has more range, actually matching the hitbox of the Junior Clown Kart's claw instead of stopping before the middle of the claw.
  • Change Pummel's animation is slightly different. It deals less damage (2% → 1.2%), but is faster.
  • Buff Forward throw's second hit deals more damage (6% → 7%; 10% total) and knockback, increasing its KO potential.
  • Nerf Back throw deals less damage (12% → 11%), with knockback compensated.
  • Buff Up throw has less ending lag (FAF 45 → 38) and less base knockback, granting it combo potential.
  • Buff Down throw deals significantly more damage (6.5% → 12.4%) and is a semi-spike, allowing it to set up for edgeguards.
  • Buff Edge attack deals more damage (7% → 10%).

Special Moves[edit]

  • Clown Cannon:
    • Change Clown Cannon's cannon balls travel in a spiraling path, similar to ones fired by Shotzos, instead of flying straight.
    • Change Clown Cannon's charging animation has been altered to be more similar to smash attacks. When fully charged, the animation stops, giving a better indication of its charge time.
    • Buff Clown Cannon always has 6 frames less startup and 8 frames less ending lag, regardless how long it was charged.
    • Buff Two cannonballs can be in play at once.
    • Buff Aerial cannonballs keep an active hitbox indefinitely even once it starts falling in midair, allowing them to be used for edgeguarding. This does not apply for cannonballs that have already landed.
    • Buff Cannonballs deal more damage uncharged (early: 8.5% → 10%, late: 5.9% → 7%).
    • Buff Clown Cannon's cannonballs deal significantly more shield damage, capable of doing more than half a shield's health when fully charged.
    • Buff Uncharged cannonballs travel slower, letting one follow it. This makes it easier to dodge, but grants new setups based around the cannonball. This significantly improves its utility, as it was a very situational projectile in Smash 4.
      • Buff Due to the increase to the cannonball's shield damage and reduction in its flying speed, an uncharged cannonball can hit twice before it drops at maximum distance, dealing extreme shield damage. This gives Clown Cannon powerful, newfound shield-pressuring abilities.
    • Nerf Fully charged cannonballs deal less knockback.
  • Clown Kart Dash:
    • Buff Clown Kart Dash's spinout has less startup lag (frame 5 → 3).
    • Buff After cancelling Clown Kart Dash, Bowser Jr. keeps his double jump.
    • Buff Clown Kart Dash's collision damage no longer scales based on duration traveled, and is affected by whether the directional key is held: holding forward immediately increases damage and speed, while pressing no buttons gradually reduces damage and speed. As a result, the move deals more overall damage, since it no longer requires travel time to attain maximum damage.
      • Buff Clown Kart Dash's damage numbers have been reversed, with the early hits dealing up to 7.3%, and a non-accelerating late collision dealing 4%.
    • Buff Clown Kart Dash's spinout deals much higher damage (no acceleration: 8% → 10%, full acceleration: 8% → 16.3%). Its knockback has also been increased, making it much better for damage racking and KOing.
    • Nerf Clown Kart Dash can no longer be airdodged out of.
    • Change Clown Kart Dash makes Bowser Jr. jump higher on sloped platforms.
  • Abandon Ship!:
    • Buff Abandon Ship!'s Hammer Swing is faster.
    • Nerf Abandon Ship!'s explosion has less knockback.
  • Mechakoopa:
    • Buff Mechakoopa starts walking earlier (frame 54 → 48). It no longer bounces, and still retains some lag.
    • Buff Mechakoopas cling onto the opponent it makes contact with, which means that it will detonate on them even if they're being knocked away as they got triggered. This also allows for reliable kill setups, with the mechakoopa exploding after the opponent is launched, causing the explosion to be much closer to the blastzones.
    • Change The Mechakoopa explodes upon hitting a shield if thrown.
    • Nerf The Mechakoopa deactivates and lies on the ground when it walks into a shield. It can still be picked up and used before it completely disappears after a second passes.
  • Final Smash:

Update history[edit]

Super Smash Bros. Ultimate 1.1.0

Super Smash Bros. Ultimate 3.0.0

  • Buff Neutral attack 2 deals more hitstun, allowing it to connect into the rapid jab more easily.


  • Moves that hit the Junior Clown Car deal 0.88× damage, whereas those that hit Bowser Jr. himself will deal 1.15× damage. The Junior Clown Car's hurtbox takes priority over Bowser Jr.'s hurtbox.

Note: All numbers are listed as base damage, without the 1v1 multiplier.

  Name Damage Description
Neutral attack   2% The Junior Clown Car performs a one-two combo, followed by a flurry of punches, followed by a jab. It has impressive damage racking potential, as it can easily deal around 20%. Its first hit is quite useful for jab locks due to its minimal ending lag, whereas its last hit's extremely high knockback growth can KO around 130%-150% while near the edge. However, its neutral infinite is quite easy to escape, even with minimal SDI, while its last hit is punishable. As a result, it is best used against off-stage opponents that are attempting to grab the edge.
0.5% (loop), 3% (last)
Forward tilt   8% (sweetspot), 6% (sourspot) The Junior Clown Car thrusts a pitchfork forward. It can be angled and is very useful for spacing.
Up tilt   6% The Junior Clown Car thrusts a pitchfork upward. It can combo into itself beginning at 0% and juggle at medium percentages, but has a blind spot between the fork's prongs and the Junior Clown Car.
Down tilt   2% (hits 1-2), 6% (hit 3) The Junior Clown Car uses its tongue to lick forward three times. It has a fair amount of utility, as it is efficient at warding off rushdowns, can act as a set-up for a dash attack, or interfere with an opponent attempting to grab an edge due to its undulating hitbox.
Dash attack   1.8% (hits 1-5), 4% (hit 6) The Junior Clown Car opens its mouth to swing a Grinder twice. Its loop hits do not connect together very well at high percentages.
Forward smash Smash Twin Drills 1% (hits 1-5), 11% (hit 6) The Junior Clown Car uses two drills to drill the opponent in place. The final hit is a powerful KOing option, while the whole move has low ending lag and it can be angled.
Up smash   1% (hit 1), 1.3% (hits 2-4), 2.3% (hit 5), 6% (hit 6) Bowser Jr. performs a handstand to attack with the Junior Clown Car's spinning propeller. It is Bowser Jr.'s fastest smash attack, with its multiple hits being useful for pressuring shields or denying aerial approaches.
Down smash   18% The Junior Clown Car slams wrecking balls on both sides. It is Bowser Jr.'s most powerful smash attack, and is the third strongest down smash in the game, making it deadly for punishment. However, it has high ending lag unlike his other smash attacks, making it equally as punishable.
Neutral aerial   8% (clean), 7% (mid), 5% (late) The Junior Clown Car spins around with the boxing glove arms extended. It is a weak but useful aerial, which combos reliably from Clown Kart Dash and is effective as a anti-pressure and edgeguarding option.
Forward aerial   11%/9% (clean), 8%/6.5% (mid), 5%/4% (late), 2% (landing) The Junior Clown Car swings a wrecking ball forward in a circling motion. Landing while the wrecking ball is still out produces another hitbox, which can lead to more follow-ups on the ground, as well as compensate for its high landing lag. Useful for edge-guarding and spacing, as well as a viable KOing option.
Back aerial   14% (clean tip), 8% (clean base, late) The Junior Clown Car thrusts a wrecking ball backward. Like his forward aerial, landing while the wrecking ball is still out produces another hitbox, which can lead to more follow-ups on the ground. Useful for edge-guarding and a viable KOing option due to its high knockback.
Up aerial   10% (clean), 6.5% (late) Swings a hammer above himself. It has little lag and is a useful juggling option.
Down aerial   1.5% (hits 1-8), 2.5% (last), 2% (landing) The Junior Clown Car extends a drill from its underside hatch to pierce opponents. Its high ending lag is compensated by the hitbox it produces upon landing, which grants it follow-up potential. If the attack hits an opponent, it can cancel quickly into other moves; if not, Bowser Jr. suffers from moderate ending lag.
Grab   The Junior Clown Car extends a claw to grab the opponent. A slow grab overall.
Pummel   1.3% Hits the opponent with a toy hammer. A fairly fast pummel. The toy hammer looks identical to the one used in the Eekhammer sticker from Paper Mario: Sticker Star. Each hit plays the recurring sound of Mario jumping onto a Goomba in the Super Mario franchise.
Forward throw   3% (hit 1), 7% (throw) The Junior Clown Car throws an uppercut. It is fairly good for launching opponents at the edge for an edge-guard.
Back throw   11% The Junior Clown Car spins and then throws the opponent backward. Bowser Jr.'s most powerful throw, as it can KO most middleweights starting around 160% without rage.
Up throw   7% The Junior Clown Car flings the opponent upward. It can lead into up aerial at low percentages.
Down throw   1.2% (hits 1-7), 4% (throw) The Junior Clown Car throws the opponent onto the ground and then extends a drill from its underside hatch to pierce opponents. It can be used to pressure the opponent into his Clown Kart Dash.
Floor attack (front)   6% Gets up while spinning a pair boxing gloves outstretched on both sides.
Floor attack (back)   7% Gets up while spinning a Grinder around himself.
Floor attack (trip)   5% Gets up while thrusting a pitchfork on both of sides.
Edge attack   10% Slams a pair of wrecking balls while climbing up.
Neutral special Clown Cannon 10% (uncharged), 7% (uncharged late), 20% (fully charged), 14% (fully charged late) The Junior Clown Car opens its mouth and fires a cannonball. It can be charged to increase the cannonball's speed and power. At the end of its path, the cannonball will drop to the ground, which can hit opponents attempting to recover if it is spaced properly. However, it has high overall lag.
Side special Clown Kart Dash 4%+speed (collision), 8% (doughnut) The Junior Clown Car transforms into a go-kart that speeds forward. Tilting the control stick/circle pad in the opposite direction or pressing the attack/special button will cause the Junior Clown Car to perform a doughnut, which deals more damage and has higher knockback to opponents on contact compared to simply charging into them. Spinning out in the air can produce horizontal movement, after which it can be used again. All versions of the move can be jump canceled, even right after hitting an opponent, which can lead into combos and mix-ups.
Up special Abandon Ship! 5% (contact), 13% (explosion), 15%/10% (hammer) Bowser Jr. ejects himself from the Junior Clown Car. The Junior Clown Car slowly falls to the ground and then explodes with high power when the move is used in midair, whereas it will simply explode after a brief period when used on the ground. When Bowser Jr. is out of the Junior Clown Car, he is not rendered helpless and can still attack with a hammer (or in the case of the Koopalings, their respective wands), which is powerful enough to KO at medium to high percentages. However, taking any weak hit while out of the Junior Clown Car prevents another use of the move without button mashing or landing.
Down special Mechakoopa 2% (contact), 7% (explosion) The Junior Clown Car drops a Mechakoopa from its underside hatch. The Mechakoopa falls in a strong downward arc; once it lands, it starts walking around. If it reaches a wall or dead end, it will turn around and walk in the opposite direction. If it makes contact with an opponent (or travels enough distance in the air without landing), it will detonate. Lastly, if enough time passes and they have not hit an opponent yet, they will spark out and detonate automatically. They can be picked up and thrown as items either by Bowser Jr. or his opponent.
Final Smash Shadow Mario Paint 3% (paint), 5% (explosion) Bowser Jr. transforms into Shadow Mario and uses the Magic Paintbrush to paint a giant, orange X on the screen. Anyone caught in the X's hitbox will be damaged, with the X pulling opponents into it once they are hit. The X will clear away with an explosion after some time. The sheer size of the X makes avoiding damage from this Final Smash difficult, similarly to Iceberg.

On-screen appearance[edit]

  • Flies onto the stage in the Junior Clown Car and makes a taunting facial expression toward the camera.


  • Up Taunt: Jumps up, sits on the edge of the Junior Clown Car, and makes a tiny breath of fire, chuckling.
  • Side Taunt: Twirls a hammer, or in the case of the Koopalings, their respective wands.
  • Down Taunt: The Clown Car spawns its wheels and performs a donut, then returns to normal.

Idle poses[edit]

  • Places his hand over his eyes and looks around
  • Hops impatiently in the Junior Clown Car.

Victory poses[edit]

  • Jumps out of the Clown Car, hops in celebration a few times, then poses.
  • Drives the Clown Car around like a go-kart, then stops and pulls out a hammer (or a wand, if playing as a Koopaling).
  • Gets out of the Clown Car and rubs it with his right hand.
A music piece based on the same melody as the Mario victory theme, but instead of a standard orchestral arrangement, the piece is played with slightly distorted electric guitars. It also sounds similar to the level clear theme of Bowser's sidequests in Paper Mario: The Thousand-Year Door.

Classic Mode: Mama Peach, Where Are You?[edit]

All of Bowser Jr.'s opponents are princesses, some of which are teamed up with their love interest (or in Lucina's case, her father).

Round Opponent Stage Music Notes
1 Rosalina & Luma Mario Galaxy Rosalina in the Observatory / Luma's Theme
2 Lucina and Chrom Arena Ferox Prelude (Ablaze)
3 Daisy and Luigi Mushroom Kingdom U Mario Tennis / Mario Golf
4 Zelda Hyrule Castle Saria's Theme
5 Mii Fighters (x6) Peach's Castle Main Theme - Super Mario 64 The Mii Fighters all wear princess wigs.
6 Mario and Peach Delfino Plaza Delfino Plaza
Bonus Stage
Final Master Hand Final Destination Master Hand On intensity 7.0 and higher, Crazy Hand fights alongside Master Hand, and the track Master Hand / Crazy Hand plays during the battle.

Role in World of Light[edit]

Finding Bowser Jr. in World of Light

Although Bowser Jr. does not appear in the World of Light opening cutscene, he was vaporized and later imprisoned alongside the rest of the fighters (sans Kirby) when Galeem unleashed his beams of light.

Bowser Jr. was one of the many fighters that fell under Dharkon's control upon Galeem's first defeat. He is found in one of two alternate pathlines on the Triforce of Power segment of the Sacred Land sub-area, guarded by various Legendary spirits.

Fighter Battle[edit]

No. Image Name Type Power Stage Music
Bowser Jr. SSBU.png
Bowser Jr. Grab 12,500 Mushroomy Kingdom (Ω form) Fortress Boss - Super Mario Bros. 3


Bowser Jr.'s Fighter Spirit can be obtained by completing Classic Mode. It is also available periodically for purchase in the shop for 500 coins. Unlocking Bowser Jr. in World of Light allows the player to preview the spirit below in the Spirit List under the name "???". As a Fighter Spirit, it cannot be used in Spirit Battles and is purely aesthetic. Each Fighter Spirit has an alternate version that replaces them with their artwork in Ultimate. Bowser Jr. also appears as a primary spirit in the form of Shadow Mario.

Additionally, due to being alternate swaps, each of the Koopalings possess their own Fighter Spirits.

In Spirit Battles[edit]

As the main opponent[edit]

Spirit Battle parameters
No. Image Name Series Enemy Fighter(s) Type Power Stage Rules Conditions Music
Lakitu & Spiny Super Mario series Iggy BowserJrHeadIggySSBU.png
•Tiny Bowser BowserHeadRedSSBU.png (×8)
Grab 3,400 Mushroom Kingdom N/A •Defeat an army of fighters Ground Theme - Super Mario Bros.
Tatanga Super Mario Land series Morton BowserJrHeadMortonSSBU.png Shield 3,800 Mario Galaxy (Battlefield form) N/A •The enemy starts the battle with a Super Scope Underground Theme - Super Mario Land
Shadow Mario Spirit.png
Shadow Mario Super Mario series Bowser Jr. BowserJrHeadSSBU.png Neutral 9,800 Delfino Plaza (Ω form) •Sudden Final Smash
•Hazard: Sticky Floor
•The floor is sticky
•The enemy will suddenly have a Final Smash after a little while
•The enemy's FS Meter charges quickly
Delfino Plaza
Fawful Mario & Luigi series Iggy BowserJrHeadIggySSBU.png
R.O.B. ROBHeadGreenSSBU.png
Neutral 3,700 Prism Tower N/A Stamina battle
•The enemy starts the battle with a Rocket Belt
The Grand Finale
Kalypso Donkey Kong: Barrel Blast Wendy Team BowserJrHeadWendySSBU.png (x4) Shield 1,800 Kongo Falls N/A •The enemy starts the battle with a Rocket Belt
•The enemy has increased move speed
Boss 2 - DK: Jungle Climber
Heavy Lobster Spirit.png
Heavy Lobster Kirby series Lemmy BowserJrHeadLemmySSBU.png Shield 3,600 Halberd •Item: Fire Flower •The enemy starts the battle with a Fire Flower Meta Knight's Revenge
Pandora Kid Icarus series Wendy BowserJrHeadWendySSBU.png
•Ally: Dark Pit DarkPitHeadBlueSSBU.png
Grab 3,500 Kalos Pokémon League (Ω form) Bob-omb Festival •Join forces with a CPU ally
•Bob-ombs will rain from the sky after a little while
•Explosion attacks aren't as effective against the enemy
Dark Pit's Theme
Eggman Spirit.png
Dr. Eggman Sonic the Hedgehog series Roy BowserJrHeadRoySSBU.png
•Metal Sonic SonicHeadGreenSSBU.png
Grab 13,200 Green Hill Zone •Bob-omb Festival
•Item: Shooting Types
•Bob-ombs will rain from the sky after a little while
•The enemy's shooting items have increased power
•Items will be pulled toward the enemy
Green Hill Zone
Kapp'n Animal Crossing series Iggy BowserJrHeadIggySSBU.png Grab 9,600 Wuhu Island (Rocks at sea) •Buoyancy Reduced
•Hazard: Heavy Wind
•You can't swim
•Dangerously high winds are in effect
Kapp'n's Song
Tron Bonne Mega Man Legends series Wendy BowserJrHeadWendySSBU.png
•Tiny R.O.B. ROBHeadYellowSSBU.png (×2)
Grab 3,600 Wuhu Island (Talon Rock) N/A •Take your strongest team into this no-frills battle We're Robots (Dr. Wily Stage 2)
Riki Spirit.png
Riki Xenoblade Chronicles series Roy BowserJrHeadRoySSBU.png
Shulk ShulkHeadYellowSSBU.png
Neutral 8,000 Gaur Plain (Ω form) •Earthquake
•Assist Trophy Enemies (Riki)
•The enemy's special moves have increased power
•Hostile assist trophies will appear
•You constantly take minor damage after a little while
Gaur Plain
Murch Splatoon series Morton BowserJrHeadMortonSSBU.png Attack 3,700 Saffron City •Attack Power ↑
•Move Speed ↑
•Item: Unira
•The enemy has increased move speed
•The enemy has increased attack power after a little while
Monster Spirit.png
MONSTER Famicom Grand Prix II: 3D Hot Rally series •Giant Roy BowserJrHeadRoySSBU.png Team
•Giant Morton BowserJrHeadMortonSSBU.png
•Giant Iggy BowserJrHeadIggySSBU.png
•Giant Wendy BowserJrHeadWendySSBU.png
Attack 1,900 Mushroomy Kingdom N/A •The enemy favors side specials
•The enemy is giant
Title Theme - 3D Hot Rally
Tank Infantry Spirit.png
Tank & Infantry Famicom Wars series •Metal Iggy BowserJrHeadIggySSBU.png
Snake SnakeHeadGreenSSBU.png (×2)
Attack 3,900 Gerudo Valley N/A •The enemy favors neutral specials
•The enemy is metal
F-Type Stunt Race FX Roy BowserJrHeadRoySSBU.png Shield 2,200 Figure-8 Circuit N/A •Timed battle
•The enemy has increased move speed and reduced weight
Title Theme - 3D Hot Rally
Tractor Trailer Spirit.png
Tractor Trailer Stunt Race FX Morton BowserJrHeadMortonSSBU.png Attack 1,900 Moray Towers N/A •The enemy's side special has increased power
•The enemy favors side specials
Excite Truck

As a minion[edit]

Spirit Battle parameters Inspiration
No. Image Name Series Enemy Fighter(s) Type Power Stage Rules Conditions Music Character
Kangaskhan Spirit.png
Kangaskhan Pokémon series Bowser BowserHeadYellowSSBU.png
Larry BowserJrHeadLarrySSBU.png
Grab 3,700 Windy Hill Zone N/A •Defeat the main fighter to win
•Reinforcements will appear during the battle
Main Theme - Pokémon Red & Pokémon Blue (Brawl) Baby Kangaskhan
Turtle Bridge.png
Turtle Bridge Game & Watch series Mr. Game & Watch MrGame&WatchHeadSSBU.png
Squirtle SquirtleHeadPurpleSSBU.png
Morton BowserJrHeadMortonSSBU.png
Bowser BowserHeadGreySSBU.png
Shield 1,700 Flat Zone X (hazards off) N/A •The enemy favors back air attacks Flat Zone Turtle

Alternate costumes[edit]

Instead of alternate color schemes, Bowser Jr.'s alternate costumes consist of the Koopalings. Bowser Jr.'s Junior Clown Car is the only one with black eyes and horizontal orange "eye paint", while the Koopalings' Clown Cars have yellow mechanical eyes with vertical black "eye paint". All of the Koopalings have their own models and voice clips.

Bowser Jr. Palette (SSBU).png
BowserJrHeadSSBU.png BowserJrHeadLarrySSBU.png BowserJrHeadRoySSBU.png BowserJrHeadWendySSBU.png BowserJrHeadIggySSBU.png BowserJrHeadMortonSSBU.png BowserJrHeadLemmySSBU.png BowserJrHeadLudwigSSBU.png


Character Showcase Video[edit]


  • The "Everyone is Here!" trailer features a visual glitch: when Lemmy uses his down taunt, his face disappears for a few frames at the end of the animation.
    • The Junior Clown Car also shows a visual glitch, with two mouths overlapping each other when Ludwig is seen falling off a ledge.
  • In Bowser Jr.'s showcase video, at one point the seven Koopalings follow Jr. in the same order they are fought in New Super Mario Bros. U.
  • Despite the fact that Bowser has his own sub-world in World of Light, Bowser Jr. is fought in the Sacred Realm.
  • The render of Lemmy resembles artwork of him from New Super Mario Bros. U, and he is the only Koopaling to be completely out of the Junior Clown Car.
  • Bowser Jr. is the only fighter whose alternate costumes all have different names and voice clips.
  • Bowser Jr. is one of six characters to use their default costumes in certain Spirit Battles, the others being Yoshi, Mr. Game & Watch, Inkling, Robin, and Joker, though the latter three are only through DLC.
    • This is not counting Alph and gender swapped characters.
    • Despite that, there's no proper battle against a default Bowser Jr. in World of Light outside of himself because the only Spirit Battle in which he is present (Shadow Mario) is absent, instead finding puppet fighters of the Koopalings. The only exception to this are the false Bowser Jr.s created during battles involving Dharkon.
      • Additionally, Ludwig is the only Koopaling not present in any spirit battle.
  • Prior to version 1.1.0, Bowser Jr.'s airdodge behaved exactly how it did in Smash 4 when using it out of Abandon Ship!, making him the only character to have been capable of performing multiple airdodges without touching the ground or getting hit in any version of Ultimate.
  • Bowser Jr. is the only character who travels to Delfino Plaza in Classic Mode.

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