Kazuya (SSBU)

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Kazuya in Super Smash Bros. Ultimate
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Universe	Tekken
Availability	Downloadable
Final Smash	Final Blaster

“	Kazuya GETS READY FOR THE NEXT BATTLE	”
—Introduction tagline

Kazuya (カズヤ, Kazuya) is a playable character in Super Smash Bros. Ultimate. He was officially announced at the E3 Nintendo Direct on June 15th, 2021 as the fifth downloadable character from Fighters Pass Vol. 2 and was released on June 29th, 2021 (June 30th, 2021 in Europe and Asia) as part of Challenger Pack 10. Kazuya is the second playable character from Bandai Namco after Pac-Man and is classified as Fighter #81.

Masanori Shinohara, Kazuya's voice actor since Tekken 4, reprises his role in Ultimate in all regions of the game.

Attributes

Kazuya is a surprisingly heavy brawler who focuses heavily on ground offense, courtesy of his wide array of grounded moves and command specials which consists of almost nothing but grabs, throws, punches, and kicks. Reflecting his weight class, many of his attacks possess astounding damage and knockback, though both his movement and attack speed are lackluster, which renders his approach relatively limited. He possesses an impressive variety of microspacing options and ways to close in the distance, including a kick capable of reflection, a quick dash that grants intangibility, and attacks that move him slightly forward or backwards, allowing him to control his grounded movements better than most of the cast. His attributes reflect his ground-focused playstyle, as Kazuya's movement speed is very sluggish in general and requires use of his kit to properly close the distance. Apart from a very high double jump (similar to Mewtwo or Ness), Kazuya's walk and dash speeds are average, and his air speed is very low. Kazuya also possesses one of the lowest jumps in the game: while this assists his combo game due to his attack's launch angles, this is counterbalanced by his jumpsquat, which is uniquely 7 frames long instead of 3.

Moveset

• Rage: Kazuya will be surrounded by a red aura after reaching 100% damage or 25% of his total health in stamina mode. In his home series, the rage effect increases the damage output of his moves, which is emulated with a 1.1x multiplier in SSBU. It also grants access to the unique Rage Drive attack, which will end the Rage state when executed. There's no time limit on the Rage states, meaning that it won't run out on Kazuya, although it will end if Kazuya takes more than a certain amount of damage. This is calculated with ((Number of missed grabs or down specials × 110) + (Damage taken during Rage × 17.6)) >= 650, where "17.6" becomes 11.22 in Doubles. In context, with no missed grabs or down specials, it will take 36.93% to force Kazuya out of Rage. Rage can only be triggered once per stock.
• Tough Body: Kazuya has a form of universal knockback-based armor similar to Bowser's Tough Guy, guarding against up to 14 units.

• Several moves, including his special moves, smash attacks, and up-throw briefly turn him into Devil Kazuya. While the transformation itself is purely aesthetic, it indicates the attack is particularly strong. A majority of these moves also activate activate Special Zoom under certain conditions.
• When throwing an opponent in a 1v1, the camera briefly shifts to a unique angle similar to the Tekken equivalent.
• Kazuya utilizes unique visual effects from his series and, like Ryu, Ken, and Terry, utilizes unique hit sound effects derived from Tekken 6 onward.
• Also like Ryu, Ken, and Terry, Kazuya automatically turns to face the opponent in 1v1 matches.
  • However, Kazuya is unique in that he does not always face the camera. This aspect comes from Tekken, where Kazuya is in an orthodox stance regardless of camera placement.
• In general, Kazuya's moves cause extremely low hitlag compared to other characters, emulating the almost nonexistent hitlag in Tekken.
• Kazuya possesses the most directional moves of any character, with diagonal directions set to additional standard attacks, and command inputs for others (such as Crouch Dash). He also has the only command input throw.
• Kazuya's jumpsquat is set at 7 compared to the universal 3 frame jumpsquat shared by other characters.

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

		Name	Damage	Description
Neutral attack		Flash Punch Combo / 10-Hit Combo	3%	Flash Punch Combo (two button taps, then a delayed tap): Two quick punches from his left hand followed by a stronger punch from his right hand. This functions as a standard neutral attack, with the third hit knocking opponents back. For an attack of its kind, the final hit is surprisingly strong, being capable of KOing at the ledge at 115%, though this can be DI'd. 10-Hit Combo (button tapped or held): A series of 10 hits: two left-hand punches, a right-hand punch, a backhand strike, a left up kick, a right axe kick, a right low sweeping kick, a left low kick, a right electric punch, and a bursting uppercut. The last hit is unblockable. Each hit moves Kazuya forward, making him travel half the distance of Final Destination for the whole move. The full combo deals a whopping 38%, making it by far the most damaging neutral attack in the game, and the final hit can KO at around 160%. However, its multi-hit properties make it very inconsistent: the full combo cannot be completed near a ledge as the opponent will fall off it, and the move can be DI'd out of due to its low hitstun. It is therefore very powerful near the center of the stage, but poor near ledges. The first hit comes out at frame 6, making it slower than average.
			3%
			2% (combo), 9% (last)
			3%
			3%
			4%
			1.5%
			1.5%
			5%
			12%
Forward tilt		Oni Front Kick	14.5%	A short kick comparable to Ganondorf's forward tilt. Grants lower leg intangibility. It moves Kazuya forwards about one character distance and deals good knockback and damage, making it a decent-ranged KO move.
Back tilt		Flash Tornado	15%	A tornado kick, similar to Ryu's held neutral attack. Grants body and leg intangibility, and moves Kazuya forward like forward tilt. It sends at a strong diagonal angle, and is able to combo into forward smash or a grab at low percents. At higher percents, it acts as an effective KO move.
Up tilt		Twin Pistons	6%	Two small uppercuts, with his left hand followed by his right hand. As with other natural combos, each hit is used with another button press. Each hit grants upper body intangibility. The first hit can be canceled to lead into other moves. The second hit can combo from certain moves, although it is questionable as a combo starter due to Kazuya's poor aerial prowess.
			10%
Down tilt		Nejiri Uraken	15%	Spins while kneeling, and strikes downwards with his upper arm while moving forwards. Grants intangibility while Kazuya strikes, and moves him forward. Deals impressive damage for a down tilt, and is one of Kazuya's best combo starters due to it sending at a vertical angle. At low percents, it can combo into almost any grounded move if the opponent doesn't tech. At higher percents, it can combo into aerials, including neutral air near a ledge for a meteor smash. However, it can be difficult to use without a control stick set to attack, as Kazuya has to perform this tilt without going into a crouch (as this will instead perform a Crouch Jab), and inputting down too fast will end up with a down smash.
Up-forward tilt		Roundhouse to Triple Spin Kicks	6%	Does a high roundhouse kick, followed by three spinning kicks, with the last kick striking at a high angle. The first kick grants his legs intangibility. As with other natural combos, each hit is used with another button press. The full combo deals 22%, and the final hit is very powerful, KOing at the ledge near 105%. Due to the height of the first hit, it can miss very small characters like Pichu, and the opponent may be sent too far to be hit by the final kick if the first few hits connect near a ledge.
			3%
			3%
			10.5%
Down-forward tilt		Tsunami Kick	7%	A high kick followed by an axe kick, similar to Ken's Inazuma Kick. Grants leg intangibility and moves Kazuya forwards, and acts like a natural combo. Acts somewhat like a high kick in traditional fighting games, as it can catch jumping opponents. Despite its looks, the first kick reaches down to the ground, allowing it to lock. Surprisingly, the first hit can hit ledge-hanging opponents, but it cannot connect into the second hit in this way.
			10.5%
Down-back tilt		Stature Smash	9%	A low-angled kick in front of him. Grants leg intangibility and moves Kazuya forwards. Rather slow compared to his other tilts, but it always trips the opponent, making it excellent for followups regardless of percent.
Up-back tilt		Jump Side Kick	13.5%	Jumps backwards slightly while performing a side kick high in the air. Grants both legs intangibility and moves Kazuya very slightly backwards. Acts as a microspacing option that allows Kazuya to space backwards, as it is awkward to use otherwise.
Crouch attack		Crouch Jab	5%	Requires Kazuya to be fully crouched. A punch while ducking. Grants lower arm intangibility. Similar to other neutral attacks in the game, except being a bit slower. Very short ranged, but its speed allows it to combo into most grounded moves like forward tilt.
Forward crouch attack		Tombstone Crusher	16.5%	Requires Kazuya to be fully crouched before attacking diagonally forwards. Gets on his back and kicks from the floor. Sluggish, but has a long period of intangibility. It is also very powerful damage and knockback wise, as it can KO as early as 95% near the edge.
Back crouch attack		Crouch Spin Kick	11%	Requires Kazuya to be fully crouched before attacking diagonally backwards. A rotating kick from below. Grants leg intangibility. Low ranged, but at low percents, it can set up for a tech chase scenario or a follow up into dash attack.
Uncrouching attack		Demon God Fist	12%	Requires Kazuya to attack right after uncrouching. An electrified punch that crumples opponents, similar to Focus Attack. Grants arm intangibility. Allows for guaranteed followups like Stature Smash, though it can be difficult to use as Kazuya needs to uncrouch to perform it. A simple way to use it is to quickly flick the control stick down and attack as soon as Kazuya stands up.
Dash attack		Leaping Sidekick	16% (foot), 14% (leg)	Leaps forward and kicks in front of him. Grants his non-kicking leg intangibility, allowing it to travel over some low attacks. Also grants a lot of distance compared to Kazuya's other moves, and is capable of KOing.
Double dash attack		Left Splits Kick	18%	Used by dashing twice in the same direction in quick succession. Moves forward before stretching his left leg upwards, swinging it downwards immediately after. Grants his kicking leg intangibility, and deals vertical knockback. Can reflect projectiles, being one of the only four standard attacks capable of doing so (along with Min Min's up smash and Ness's and Lucas's forward smashes).
Forward smash		Glorious Demon God Fist	26% (hand), 23% (arm)	In his devil form, lunges forward with a straight punch. Grants heavy armor before the punch. Hitting at the tip of the fist deals more damage and causes Special Zoom. The sweetspot is extremely powerful and is capable of KOing as early as 12% near the ledge when fully charged, making it overall the second strongest forward smash in the game, narrowly beating Ganondorf’s (only King Dedede's is stronger). However, it is punishable on shield due to its high ending lag.
Up smash		Devil Twister	19% (clean), 15% (late)	In his devil form, performs an uppercut. Grants heavy armor before the uppercut. One of the few attacks in his kit that can attack through platforms, and its armor and reach makes it an effective anti-air and out of shield option. Also powerful, as it KOs at around 110%.
Down smash		Lion Slayer	17% (hand), 15% (arm)	In his devil form, performs a knifehand strike. Grants heavy armor before the punch. It is unique as the sweetspot meteor smashes like Bayonetta's down smash, though it is extremely fast in comparison and has extremely low knockback growth. This makes it an excellent combo starter: while followups can be air dodged out of or teched, its speed allows it to combo into itself multiple times if the opponent doesn't react properly, or combo into any ground move. It can also punish ledge hanging opponents (or drag them near one with a previous down smash). His arm causes vertical knockback with much higher knockback growth, though it is unable to KO at a realistic percent.
Neutral aerial		Jumping Knuckle	11% (clean fist), 9% (clean arm), 8% (clean body), 6% (late)	Strikes diagonally downward while in the air, similar to the appearance of Ryu, Ken, and Terry's down aerials. It is the only neutral aerial in the game with the ability to conventionally meteor smash, although it is moderately weak; however, it is very quick to interrupt, which makes it extremely versatile as a combo starter, both when landing or rising with the move.
Forward aerial		Searing Edge	13% (clean), 10% (late)	An aerial side kick. It can combo into grounded moves when landing and is a useful aerial due to its range and duration, though it can easily trade since it doesn't offer intangibility.
Back aerial		Jumping Sobat	16% (clean foot), 14% (clean leg), 10% (late)	An aerial kick from behind him. Slow but strong, and can KO at the ledge at around 110%. Like Ryu, Ken and Terry, this move is difficult to use without a Reverse Aerial Rush, since Kazuya automatically turns towards his opponent in a 1v1.
Up aerial		Rising Toe Kick	12% (clean), 9% (late)	A high upwards kick. Grants leg intangibility. It is Kazuya's fastest aerial, coming out on frame 4 at earliest. It hits quite low for an up aerial and is quick to interrupt, although its combo potential is limited due to Kazuya's limited air mobility.
Down aerial		Demon Scissors	6% (hit 1), 15% (hit 2), 10% (landing)	From the air, performs a somersault before swinging his leg downward, landing on his back. Acts as a stall-then-fall, with low enough ending lag that Kazuka can recover with his double jump and up special. Despite its looks, it does not meteor smash, and instead launches opponents away with high diagonal knockback.
Grab			—	Reaches out with both hands. If the Rage mechanic is activated, it becomes Rage Drive, which will cause a Special Zoom effect and deal more damage (see below for details).
Pummel		Sternum Smash	3.4%	Punches the opponent’s sternum while grabbing the opponent. Extremely slow, similar to pummels from previous games, though it is also the most damaging pummel in the game by a large margin.
Forward throw		Double Face Kick	5% (hits 1-2), 2% (throw)	Kicks the opponent in the face before striking them with his heel, throwing them in the process. It deals decent knockback for a throw, although it doesn't KO middleweights until around 170%.
Back throw		Steel Pedal Drop	14% (hit 1), 0% (throw)	Grabs his opponent by the leg and slams them on the floor behind him. Deals high damage, but lacks KO potential until about 180%.
Up throw		Air Inferno	2% (throw), 10% (beam)	Throws the opponent upwards, then transforms into his devil form and shoots a beam diagonally upwards at them. Does not cause a camera angle change in 1v1s unlike his other throws. The beam can hit other opponents in addition to the one being thrown. It is Kazuya's strongest throw, reliably KOing middleweights at the ledge at around 145% and making it one of the strongest up throws in the game.
Down throw		Stonehead	7% (hit 1), 1% (throw)	A headbutt. It is one of Kazuya's combo throws, although its only truly reliable followup is Flash Tornado; following up with any other attack usually requires a read or reaction.
Command input throw		Gates of Hell	10% (hit 1), 13% (hit 2), 1% (throw)	Bends the opponent's back, then kicks them away. Done by inputting ↘ ↓ ↘ before pressing the Grab button. It is extremely damaging for a throw (24% total), and is technically the strongest throw in the game if command grabs are counted. In addition to its high damage, it sends the opponent at a deep semi-spike angle with good knockback, making it excellent against foes with poor recoveries. Based on Kazuya's command grab from Tekken 5 onwards.
Floor attack (front)			7%	(desc)
Floor attack (back)			7%	(desc)
Floor attack (trip)			5%	(desc)
Edge attack			10%	(desc)
Neutral special		Devil Blaster	11% (ground), 12% (ground upwards), 10% (ground downwards), 10% (air), 11% (air upwards), 9% (air downwards)	In his devil form, unleashes a laser blast from his forehead, similar to Robo Beam. Covers a long distance, granting it edgeguarding capabilities. He can also aim it up or down, even in the air (although, interestingly, he cannot aim it up while in the air). It can travel through two opponents before stopping on a third; the second opponent will take ×0.75 base damage and the third will take ×0.5.
Side special		Devil Fist	11% (near), 6% (far)	In his devil form, performs a straight lunge that travels through the opponent. If close, he will cause the opponent to crumple. If the opponent is in the air or gets hit late, they will instead be launched upward.
Up special		Devil Wings	18% (clean body), 16% (clean top), 16% (clean-mid), 13% (mid), 10% (mid-late), 7% (late)	In his devil form, Kazuya flies straight up. He can move forward or back while doing so, and contact with the claws on his wings will damage enemies.
Down special		Heaven's Door	10% (leap apex hand), 8% (leap apex arm), 10% (fall to bystanders), 17% (throw) 15% (Rage Drive fall to bystanders), 11.5% (Rage Drive impact), 13% (Rage Drive throw) 18% (command Rage Drive fall to bystanders), 13% (command Rage Drive impact), 16% (command Rage Drive throw)	A grabbing attack where Kazuya flies into the air in his devil form with the opponent before diving and slamming them into the ground. If the Rage mechanic is activated, it becomes Rage Drive, which will cause a Special Zoom effect and deal more damage. Like a standard throw, it ignores shields.
Command input		Crouch Dash	—	A dash while crouching. During this, Kazuya has invincibility on his upper body, allowing him to dodge attacks such as Ryu and Ken's Hadoken. It can be done by doing the → ↓ ↘ motion, like in his home series.
Command input 1		Wind God Fist	13.5% (grounded), 13% (aerial), 14.5% (Electric grounded), 14% (Electric aerial)	Dashes forward and does an uppercut. Done by pressing A after Crouch Dash. If the direction and the button are pressed at the same time, it will become Electric Wind God Fist, inflicting Paralysis to the opponent and pushing back opponents that shield.
Command input 2		Dragon Uppercut	22% (clean), 18% (mid), 16% (mid-late), 14% (late)	An electrified jumping uppercut with his left hand. Done by holding A after Crouch Dash. If Rage is active, connecting with the move will trigger a more damaging version of the Rage Drive.
Command input 3		Spinning Demon to Left Hook	6% (hit 1), 14.5% (hit 2)	Does a low sweeping kick followed by a hook from his left hand. During the move, he can dodge the enemy's projectile. Done by pressing B after Crouch Dash.
Final Smash		Final Blaster	8% (init), 2% (center first hit), 0.8% (fanning loop hit), 1.2%/1%/0.8%/0.6% (center loop hit, close to far), 10%/8.5%/7%/5.5% (center final hit, close to far)	In his devil form, Kazuya uses Devil Blaster to attack the opponent. If successful, he will say ここが貴様の墓場だ！ ("This will be your burial ground!"), and shoot out multiple lasers from his chest and wings that strike opponents while in a volcanic landscape. It is based on a variation of his Rage Art exclusive to Tekken 7's story mode that Kazuya uses in his final battle against Heihachi Mishima.

Taunts

• Up Taunt: Crosses his arms and grins while grunting.
• Side Taunt: Demon's Wrath. Starts with a high-angled kick with his left leg, followed by a quick straight punch from his left fist, then a low-angled kick from his right leg, followed by a short punch in front of him with his left fist that launches the opponent. It is the strongest taunt attack in the game. Demon's Wrath is a move used by Kazuya since Tekken 4.
• Down Taunt: Transforms into his devil form and roars while spreading his arms and wings out before transforming back to his normal form.

Idle poses

• Enters a stance with one arm pointed towards the ground, and the other one curled to the side of his midsection.
• Briefly waves his hands in circular motions in front of himself.

Crowd cheer

	Cheer (English)	Cheer (Japanese/Chinese)	Cheer (Italian)	Cheer (Dutch)	Cheer (French)
Cheer		File:Kazuya Cheer Italian & Japanese SSBU.ogg	File:Kazuya Cheer Italian & Japanese SSBU.ogg
Description	Ka - zu - ra! *stomps 2 times*	Ka - zu - ra! *stomps 2 times*	Ka - zu - ra! *stomps 2 times*	Ka - zu - ra! *stomps 2 times*	Ka - zu - ra! *stomps 2 times*

	Cheer (German)	Cheer (Spanish)	Cheer (Russian)	Cheer (Korean)
Cheer
Description	Ka - zu - ra! *stomps 2 times*	Ka - zu - ra! *stomps 2 times*	Ka - zu - ra! *stomps 2 times*	Ka - zu - ra! *stomps 2 times*

Victory poses

Uniquely, Kazuya is the first fighter in Smash history to not have a victory theme. Instead, his victory screens feature the announcer from Tekken 7 (voiced by Josh Keller) saying "Kazuya Mishima wins", rather than the Smash announcer (Xander Mobus).

• Flying kicks in, then punches towards the screen in his devil form, before transforming back to normal while holding the punching pose. Based on one of his victory screens in Tekken 5: Dark Resurrection onwards.
• Performs two roundhouse kicks, then stomps his foot on the floor while turning into his devil form. He then reverts to normal before holding a fighting stance. Based on one of his victory screens in Tekken 5 and Tekken 6.
• Crosses his arms, then looks off to the side (similar to Fox and Falco). Based on one of his victory screens in the original Tekken.

The Tekken 7 announcer announcing Kazuya's victory.

Classic Mode: Fighting Fists with Fists

Kazuya's route features opponents that fight with their fists, referencing his own fighting style and how Tekken literally translates to "Iron Fist" in Japanese. Fitting his home series, all of his rounds are Stamina matches, except for Round 6 and final round.

Round	Opponent	Stage	Music	Notes
1	Ryu	Mishima Dojo	Dojo (Japanese-Style Mix)	Stamina battle. 100 HP. Could reference Street Fighter X Tekken.
2	Captain Falcon	Port Town Aero Dive (Ω form	Bit Crusher	Stamina battle. 100 HP. Could reference the appearance of a Captain Falcon costume in the Wii U version of Tekken Tag Tournament 2.
3	Little Mac	Boxing Ring	Dist Thins Out	Stamina battle. 100 HP.
4	Donkey Kong and King K. Rool	Gaur Plain (Ω form)	Yodeling in Meadow Hill	Stamina battle. Player: 100 HP. CPUs: 70 HP. References the series' use of animal characters.
5	Lucario	Spear Pillar	Moonlit Wilderness	Stamina battle. 100 HP. Could reference Pokkén Tournament, a Pokémon fighting game featuring gameplay inspiration from Tekken.
6	Mii Brawler (x6)	Fourside (Ω form)	Karma	Horde Battle. The Mii Brawlers wear the Bionic Helmet and Bionic Armor, possibly referencing the soldiers of G-Corporation, a biogenetic company responsible for resurrecting Kazuya in Tekken 4.
Bonus Stage
Final	Kazuya, then Metal Kazuya	Castle Siege (Underground)	Desperate Struggle	If the player uses Kazuya's default costume, the first opponent will use the red costume instead. References the final boss of Tekken 7's story mode, where Heihachi fights Kazuya normally before taking on his devil form in a volcano-like area.

Note: Every stage plays a track from the Tekken universe, no matter what universe the stage originates from.

Note 2: If playing with two players, the CPUs will have 150 HP instead of 100 (in Round 4, Donkey Kong and King K. Rool will have 100 HP each instead of 70).

Credits roll after completing Classic Mode. Completing it as Kazuya has Kazuya Mishima, Devil Kazuya (Remix) accompany the credits.

Role in World of Light

The message that shows Kazuya's availability in World of Light

Due to his status as downloadable content, Kazuya does not have a legitimate role in World of Light. Instead, he is unlocked for use in the mode after freeing 10 fighters from Galeem's control. If loading an existing save file that meets this condition prior to downloading Kazuya, he is immediately unlocked.

Spirit

Kazuya's fighter spirit can be obtained by completing Classic Mode. It is also available periodically for purchase in the shop for 300 coins. Unlocking Kazuya in World of Light allows the player to preview the first spirit below in the Spirit List under the name "???". As a fighter spirit, it cannot be used in Spirit Battles and is purely aesthetic. Unlike most fighters, this spirit only uses its artwork from Ultimate rather than artwork from a previous appearance, making him the only DLC fighter with this distinction.

Kazuya's coat outfit also has a Fighter Spirit of its own, available through the shop. Unlike his default outfit, his coat fighter spirit uses artwork from Tekken 7.

• 

  1,474. Kazuya Mishima

• 

  1,475. Kazuya Mishima (Coat)

In Spirit battles

As the main opponent

Spirit				Battle parameters							Inspiration
No.	Image	Name	Series	Enemy Fighter(s)	Type	Power	Stage	Rules	Conditions	Music	Character
1,477		Jin Kazama	Tekken Series	•Kazuya ×2 (100 HP)		9,400	Castle Siege (Underground Cavern)	N/A	•Stamina battle •Reinforcements will appear after an enemy is KO'd	Jin Kazama	Jin and Devil Jin

Alternate costumes

Gallery

• 

  Kazuya's splash art

• 

  Kazuya's unlock notice after downloading him from the Nintendo eShop.

• 

  Artwork of Kazuya, as posted by the official Twitter account of Tekken's director, Katsuhiro Harada.

• 

  Kazuya on Mishima Dojo.

• 

  Kazuya fighting Ness on Skyworld.

• 

  Kazuya attacking Wolf on Great Bay.

• 

  Kazuya fighting against Ryu, Ken and Terry on Mishima Dojo.

• 

  Devil Kazuya fighting Little Mac on Boxing Ring.

• 

  Devil Kazuya attacking Mario on Prism Tower.

• 

  Kazuya with Sephiroth on Northern Cave.

• 

  Kazuya fighting Ganondorf on Mishima Dojo.

• 

  Kazuya with Mario on Mishima Dojo.

• KazuyaTW.3.jpg

  Kazuya fighting Terry and Ryu.

Trivia

The European Super Smash Bros. website saying "x KAZUYA" instead of "x TEKKEN".

• Kazuya's internal codename is "demon", a reference to his demonic heritage of inheriting the devil gene across his family line.
• Kazuya's reveal trailer contains multiple references to the Tekken franchise:
  • Kazuya's repeated act of tossing other fighters into a volcano during his reveal trailer is a reference to Heihachi Mishima doing the same thing throughout the Tekken franchise, as well as Kazuya tossing Heihachi off a cliff in his endings in Tekken 1 and Tekken 7.
  • The segment with him and King K. Rool about to punch each other on Boxing Ring is a reference to the Bandai Namco logo animation in Tekken 7, with K. Rool replacing Jin Kazama, and the Super Smash Bros. symbol replacing the Bandai Namco logo.
  • Kazuya can be seen fighting Ken and using his Crouch Dash to slip under one of his Hadoukens before retaliating with a Dragon Uppercut. This is a reference to a trailer for Street Fighter x Tekken where he and Nina fight Ryu and Ken.
  • Before his Final Smash is shown, he is shown slamming Incineroar into the ground. Incineroar is a stand-in for Heihachi, as both characters shared the same late-Japanese voice actor and Heihachi's Gi bears a tiger emblem.
  • The two initial gameplay scenes of the reveal trailer as well as the beginning of Kazuya's gameplay demonstration feature unique pannings of the camera, which are similarly done before a round in the Tekken series.
• According to Sakurai, Kazuya's inclusion was difficult due to how different Tekken's gameplay was from Smash Bros., and wanting to capture the essence of Tekken in Smash. This reflects previous comments he made about Heihachi Mishima, which he turned down in Smash 4 due to similar reasons.
  • Additionally, Sakurai has claimed Kazuya was chosen over Heihachi due to the Devil Gene factor allowing Sakurai the perfect opportunity to make special moves revolving around Devil Kazuya, leaving standard attacks to normal Kazuya.
• The splash art for Kazuya is the second that uses a font other than DF Gothic Japanese, the first being that of Piranha Plant. This does not apply to the splash art used in the Japanese trailer, which uses the DF Gothic Japanese font with the usual "Joins the battle!" tagline.
  • The 3D text for his "Gets ready for the next battle" tagline is taken from Tekken 7 's battle loading screen, albeit with "Get" replaced with "Gets" to be grammatically correct.
• Kazuya is the third fighter in Ultimate to speak Japanese in all regions. However, unlike Cloud and Sephiroth, whose Japanese speaking is because of union issues with their English voice actors, Kazuya's Japanese speaking is in line with his home series, as all characters in the Tekken franchise (outside of a few spin-offs and crossovers like animated Tekken movies, and particularly Street Fighter x Tekken) are only voiced in their native language (Japanese in Kazuya's case).
• Kazuya's route is one of only five whose route does not feature a designated boss at all (i.e. all opponents are otherwise playable), with the other four with the same attribute being Jigglypuff, Bayonetta, Terry, and Steve.
  • Kazuya is one of only three characters to face a metal opponent in Classic Mode, facing a metal version of himself after his normal self is defeated in the final round. The other two are Sonic, who faces a giant, metal version of himself, and Bowser, who faces Metal Mario upon normal Mario's defeat in the final round.
• Kazuya was released on the same day (June 29) exactly one year after Min Min was released. Like Min Min, Kazuya also originates from a fighting game series where all characters are voiced in their native languages. Min Min also appeared in Kazuya’s reveal trailer.
• Kazuya’s appearance in Ultimate marks the second time he is playable in a 2.5D fighting game, with the first being Street Fighter X Tekken.
• For unknown reasons, the European versions of the Super Smash Bros. website say "Super Smash Bros. Ultimate x Kazuya" instead of Tekken in his newcomer banner. Likewise, the website was updated to remove the series names and logos for all characters in the "Sort by Series" section. However, the European video presentations still show the Tekken name and logo.
  • This is similar to how in the US broadcasts of Nintendo Directs, some M-rated games had their name replaced with a character's name, usually the protagonist or a prominent character.
• Kazuya's name is written in kanji for the Tekken series, but in the Japanese version for Ultimate, it is spelled out in katakana.
• Kazuya's artwork pose on the "Everyone is Here!" banner is similar to his pose in artwork for Tekken 6.
• It appears that some of Kazuya's animations are pulled straight from Tekken 7, such as a quirk regarding Spinning Demon causing Kazuya's back to appear twisted for a few frames.
• Kazuya is the fourth character whose render on the official Ultimate website does not cast a shadow. The others are Bowser Jr., Banjo & Kazooie, and Pyra/Mythra.
• Kazuya is the only playable character without a universal 3-frame jumpsquat, with it being 7 frames.
• Upon entering Rage mode, the player's controller will vibrate in the rhythm of a heartbeat until its effect ends.