3DS unlock conditions: Clear Classic Mode on 6.0 intensity of higher as Bowser or play 100 Vs. matches, then defeat Bowser Jr. on 3D Land.
The future king of Koopas enters the fray, joined by Bowser's elite commanders! Armed with his Jr. Clown Car, Bowser Jr. has access to a variety of weaponry. At first glance, one might think Bowser Jr. is a zoning-heavy character with two projectiles, but the long animations for using these moves limit their potential. Instead, Bowser Jr. primarily relies on fake-outs and approaches with his Clown Kart Dash, a very unpredictable attack. Additionally, Bowser Jr. is equipped with strong, ranged aerials and smash attacks that can really hurt if they connect. Bowser Jr. suffers from the weaknesses commonly plaguing heavyweights, as many of his stronger attacks are sluggish and hard to land. His recovery, while capable of traveling very far, has very exploitable weaknesses that causes him to be edgeguarded pretty easily. Bowser Jr.'s kit is quite different from other characters, but they can always keep your enemies guessing if mastered.
While his diminutive size might suggest otherwise, Bowser Jr.'s clown car makes him a very heavyweight character, outweighing Samus and almost rivaling Ganondorf. His ground speed is pretty poor, being one of the slower characters in the game. His air speed and fall speed is rather average.
Bowser Jr.'s Clown Car provides him with a unique survivability bonus. Any attack that strikes the Clown Car will deal reduced knockback, but hitting Bowser Jr. directly will cause him to take increased knockback instead. As a result, Bowser Jr.'s crouch is the only one in the game with a direct perk, since it makes Bowser Jr. tuck himself entirely into the Clown Car.
Bowser Jr. fires a massive cannonball that travels forward before dropping down. The move can be charged to increase its speed and strength.
Piercing Cannon
Bowser Jr. fires a fast flying cannonball that can pass through multiple foes, but is a lot weaker with each hit.
Air Cannon
Bowser Jr. fires a strong gust of air to push enemies away without dealing any damage. This move has noticeable backward recoil.
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Clown Kart Dash
Bowser Jr.'s Clown Car grows wheels and he charges forward at high speed, ramming into them to deal damage. Inputting the opposite direction causes him to spin out, giving him more distance and striking foes again. Bowser Jr. can jump cancel this attack at any time, even after hitting an enemy, making it a strong mix-up and combo move.
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Koopa Drift
The Clown Car now automatically spins out unless jump canceled early, and the Clown Car jump height has been reduced. However, the spin out attack now hits enemies multiple times while dragging them forward.
Grounding Dash
The Clown Car shoots forward with a huge burst of speed and can bury grounded foes, but the spin out does no damage.
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Abandon Ship!
Bowser Jr. ejects from the Jr. Clown Car, launching him skyward while the Jr. Clown Car falls and self-destructs. The Clown Car's explosion can hurt enemies, as can Bowser Jr. if you press the attack button while he is falling, which causes him to swing a hammer for high knockback. Being attacked out of the jump renders Bowser Jr. unable to attack for a short while until the Clown Car respawns, which can hinder his recovery.
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Meteor Ejection
Bowser Jr. jumps a lower height, but the Clown Car causes a meteor smash when it explodes.
Koopa Meteor
The Clown Car shoots up before exploding, sending Bowser Jr. falling to the ground at high speed.
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Mechakoopa
Bowser Jr. spawns a Mechakoopa that wanders around. It will explode when it touches an enemy or after enough time has passed. The Mechakoopa can be picked up by any player and thrown as a bomb.
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Impatient Mechakoopa
Bowser Jr. launches a Mechakoopa forward that explodes the moment it touches the ground.
Big Mechakoopa
Bowser Jr. creates a massive Mechakoopa that moves slowly. The Mechakoopa will not attach itself to enemies, so it must be thrown like an item.
Taunts
Control
Info
Wii U GamePad / Pro Controller
Wii Remote + Nunchuk
Wii Remote (sideways)
Wii Classic Controller
GameCube Controller
Nintendo 3DS
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Bowser Jr. leans out and breathes fire.
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Bowser Jr. takes out his hammer and swings it around.
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Bowser Jr. spins a few times in his Jr. Clown Car.
Bowser Jr. transforms into the menacing Shadow Mario, who paints a massive X on the screen, then falls back to the stage from the center top. Any enemies that touch the X will take a bit of damage and knockback, and the hits refresh faster the longer the X is out, until it disappears in a strong explosion. Bowser Jr. can still move about and fight while the X is onscreen. This final smash is one of the weaker ones in the game, but makes up for it by being extremely difficult to avoid. The painted X is an overlay on the screen, so its size remains constant even when the camera is zoomed out. In addition, Bowser Jr. can still cause havoc by knocking enemies into the X.