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|Romaji Name||Hibari Kyouya|
|Date of Birth||May 5|
|Box Animal||Roll (Version X)|
|Height||169 cm (5'7")|
|Weight||58 kg (128 lbs)|
|Manga Debut||Chapter 16|
|Anime Debut||Episode 1|
Kyoya Hibari (雲雀恭弥, Hibari Kyōya) is the leader of the Namimori Middle Disciplinary Committee, prefects who are in fact a group of delinquents that are all loyal to Hibari. Hibari himself is a violent delinquent who uses his status to harass other students. As shown several times in the series, he prefers to be alone and cares little for his subordinates. He loves Namimori more than anything, and will often say "I'll bite you to death," or "kamikorosu," to those that disturb Namimori Middle School. Hibari is very proud of his school and is apparently the only person who even likes their school's anthem, even using it as his ringtone. In the Kokuyo Arc, he adopts the Kokuyo Assassin Birds' bird. The bird (subsequently nicknamed "Hibird" due to its connection to Hibari) becomes attached to Hibari. Hibird can also sing the school's anthem, taught by Hibari, who loves it. Reborn piqued Hibari's curiosity in the mafia early on in the series and Hibari considers him a worthy opponent, having a strong urge to fight him.
Kyoya is a young man around average height, he has short black hair with a fringe that joins at the center of his face, with narrow gray eyes, that are used to intimidate those around him. He bears a striking resemblance to the first generation Vongola Cloud Guardian, Alaude, as well as the Storm Arcobaleno, Fon.
His most common outfit is his Disciplinary Committee uniform, he wears a long-sleeved white shirt, with black belts with a brown belt, black shoes, and a black gakuran top worn on his shoulders, with the committee's armband pinned onto his left sleeve.
Occasionally, Kyoya wears a dark blue sweater-vest and blue tie, mostly in the Varia Arc.
After gaining the Vongola Ring of Cloud, he wears it on his right hand. After gaining the Vongola Bracelet of the Clouds Version X.
Future Kyoya has changed to wearing a black suit, with a purple shirt and black necktie. His hair is also shorter, having been cut to appear more messy, and with hardly any fringe.
When not training or fighting, Future Kyoya would wear a black kinagashi.
As stated by others, Hibari is a very scary character with no care for the well-being of others, preferring to do whatever it takes to get what he wants. This often leads to his opponents surprising him, as he doesn't think before attacking. As the head of Namimori Middle's Disciplinary Committee, Hibari uses authority to assault those that get on his nerves, including his own subordinates.
He prefers to be alone, and hates crowdings. This leads him to beat anyone who he thinks is crowding around him too much. He has full confidence in his own strength and power, and dislike to work together with anybody due to feeling bind and restrained, making him refuse or won't easily take suggestions from others into consideration.
A rare trait about him is his love for small animals, ranging from birds to hedgehogs. He is also fiercely loyal to his school and its rules, going so far as to punish others for breaking them even if they aren't students or at the school, such as Genkishi.
He is shown to dislike being indebted to anyone and strives to pay them back as soon as possible. He cannot stand being restrained and absolutely refuses to allow himself to be controlled. Also, earlier in the series he is also shown to have a soft spot for I-Pin, having accepted her Valentine's Day chocolates with a smile and not taking money from Tsuna at a festival upon seeing I-Pin worried.
Future Hibari is shown to be more calm and observant about his opponents, and outwardly admits to hating illusionists because of his grudge towards Mukuro, the first person to have defeated him. His desire to be alone and attack people that annoy him still remains, though his actions are shown with more thought. Future Hibari is also seen being more respectful to Future Tsuna, showing that he has accepted him as his boss (as seen in one of the flashbacks of Irie Shoichi).
Hibari has a past that's never brought up and mostly shrouded in mystery. It's said that he lives in an enormous mansion with decorative structures similar to the bases in the Future Arc. Yamamoto has heard rumors that Hibari's parents are from prominent families, but is unsure whether the rumors are true or not.
It can be assumed that at some point in his life, Hibari entered Namimori Junior High and became the leader of the Disciplinary Committee. It's unknown when this happened, with Ryohei admitting that Hibari was the chairman of the Disciplinary Committee since he first entered the school. Hibari has even mentioned to Tsuna that he always picks whatever year he wants, making it hard to tell whether or not he truly is still a junior high student. When Ryohei first met Hibari, he initially mistook Hibari as an ordinary student while thinking that Kusakabe is the rumored Hibari. Ryohei then always went to the school rooftop to accompany Hibari, assuming that Hibari might be lonely, and tried to befriend him, much to Hibari's annoyance. When Ryohei was beaten up right before the boxing tournament against Nobuyuki Middle School, Ryohei finally found out that Kusakabe is not the real Hibari. Hibari was present at the arena after Kyoko asked him to help them win the boxing match. He fulfilled Kyoko's request under one condition: after the tournament is over, Ryohei must never ask Hibari to join the boxing club. Ryohei agreed, and this explains why Ryohei has never asked Hibari to join the boxing club despite Hibari's reputation and strength.
Hibari reveals himself as the person who's using the reception room disciplinary committee and intimidates other committees that oppose him, unaware that an intrigued Reborn is watching him from a distance. When Reborn decides to use the reception room as a family hideout, Hibari is already inside. He promises to not let them leave unscratched for entering and Hayato's smoking, then goes on to express his dislike towards weaklings and desire to beat them up.
Tsuna becomes Hibari's first victim, much to the anger of Hayato and Takeshi who make a failed attempt to defend themselves from Hibari. Reborn shoots Tsuna with a Dying Will Bullet, in order to help Tsuna face off against Hibari, but Hibari turns out to be stronger than most opponents Tsuna has previously faced. Tsuna does manage to hit Hibari with a slipper after getting shot with the Bullet, but the fight is quickly stopped by Reborn. Hibari is still in a bad mood and attempts to fight Reborn, who uses a bomb to make an escape. Sometime later, Hibari hopes to see Reborn once again, believing that he isn't a weakling.
Later, Dr. Shamal gave Hibari the sakura-kura virus so that Tsuna's Family could view the sakura in peace.
Due to the attacks on students of Namimori Junior High, Hibari went to Kokuyo Land to fight the gang's leader. He was later defeated by Mukuro, who took advantage of his Sakura-kura disease. He was imprisoned but later freed by Gokudera. Hibari then defeated both Ken and Chikusa and was given the cure to his illness. He then fought Mukuro again, but fell unconscious due to his previous injuries. Mukuro later tried to possess Hibari's body, but stopped due to the severity of the wounds.
Hibari was made the Vongola Cloud Guardian, but refused to be taught by Dino unless he could defeat him in battle. They fought in multiple environments so as to increase Hibari's fighting experience and so that he wouldn't see the damage done to the school. As a result, when Hibari reappeared after the Storm Match he was only calmed by the prospect of fighting Mukuro. During the Cloud Ring Battle, he appeared to defeat the Gola Mosca robot and attempted to battle with Xanxus. However, Gola Mosca once again became active and injured Hibari. During the Sky Ring Battle, he managed to resist the Death Heater venom but was injured while fighting Belphegor. He retired after rescuing Gokudera and Yamamoto.
In the Future, Hibari searched for information concerning Box Weapons by starting The Foundation. He also worked together in secret with the future Tsuna and the Millefiore spy Irie Shoichi. Hibari later saved Gokudera and Yamamoto from Gamma. He agreed to train Tsuna, trapping him in his globe of Needles, resulting in a halucinogenic state where Tsuna was granted his Inheritance. Hibari also helped Chrome draw out the power of her ring when her illusionary organs started to fail. Later, Hibari single handedly, defended the hideout against the Millefiore Raid (as instructed by Shouchi).
After this, he infiltrated the Melone Base and fought Genkishi. The two were evenly matched, though Genkishi gained the advantage when Hibari had no more rings to spare. As he was about to land a finishing blow, Hibari was replaced by his Past self (a fact that his future self was also made aware of). After receiving help from the injured Guardians and Kusakabe, Hibari was able to separate the group from Genkishi when his Hedgehog Box Weapon expanded at great speed due to the strength of his Dying Will Flames. He was later (along with the other Vongola Guardians) given a Vongola Box Weapon.
He later left the group and encountered the Future Dino, who began training him once again. After the Vongola lost the Choice battle, Hibari used his Vongola Box to slow down the Six Funeral Wreaths in order to help the Vongola escape.
Note: This an an anime exclusive arc, which is not canon to the manga.
Ryohei tried to persuade Hibari to take his trial and ended up annoying Hibari with his persistence, and as the two prepared to fight on the school roof, Skull arrived via an airship and, angered by Hibari's lack of obedience, began to attack. During the fight the airship began to lose control and crash towards the School, however Ryohei and Hibari worked together and managed to stop it while defeating Skull and protecting Kyoko and Haru. Afterwards Hibari agreed to take the trial in order to repay Ryohei for protecting the school but at that moment Knuckle showed up, announcing that Ryohei had already passed his Trial by convincing Hibari. Alaude also appeared, declaring that Hibari too, had passed the test by refraining from socializing with the family while at the same time adapting to the situation to protect those that needed protection. Later, while the other Guardians were trapped in Daemon Spade's illusion, Skull took Hibari's armband so that he would chase him to Kokuyo Land. Once there Hibari went on a rampage and broke the illusion around the other Guardians. The next day, Hibari and the others returned to the future to fight Byakuran and Real Six Funeral Wreaths for the last time.
After being sent back to the past to train, the Guardians meet Giotto, who revealed that the 10th Generation Guardians had yet to inherit the true power of the Vongola. Later Skull became Hibari's tutor as they both possess the Cloud Flame. That night Alaude appeared before him from the Vongola Ring. Hibari asked Alaude if he's strong or weak to which Alaude replied that he's strong, but has no interest in facing a child and left. Later that week, Alaude appeared again to give Hibari his trial. Hibari prepared himself to battle but Alaude told him that the trial would not involve fighting, making Hibari lose interest and walk away. Alaude then told Hibari that he shall deem him worthy of his Inheritance if he demonstrated his value as the Cloud Guardian, warning him that he only had until the end of the day.
Back in the future, Hibari and Dino faced off against Daisy at Namimori High. Daisy opened his Box of Carnage and defeated Dino. However, Hibari was able to defeat Daisy once he used his Cambio Forma and confiscated the Sun Mare Ring. He later appeared to be killed by Kikyo, though it turned out to be an Illusion created by Mukuro. Later, Hibari had his Dying Will Flames drained by Ghost (along with everyone else present). When Byakuran appears, he and the others could only watch as Tsuna fight Byakuran alone. After Tsuna defeated Byakuran, he and the others returned to the past.
After being sent back to the past, Hibari soon started arguing with a transfer from Simon Middle School, Adelheid Suzuki, about the control of Namimori Middle School. The next day, they started fighting in the rooftop but were stopped by Tsuna. At the Ceremony, he surprised the entire Famiglia with his murderous intent and the fact that he had decided to show up at all. He states that the people who have disturbed the peace of Namimori Middle will be bitten to death. Later, he along with the other guardians was defeated by Enma, and had their Vongola Rings broken. After the Simon Famiglia left, Dino asked him if he was all right. Hibari replied that he was, with the exception of his pride. Later, while Talbot was upgrading the Vongola Rings, Hibari waited in a different room from Tsuna and the others. Like the others, he was able to show his resolve and his Vongola Ring upgraded into Bracelet of the Clouds Version X. Upon arrival at the Shimon Island, he watches the others from a helicopter. When Adelheid appears to challenge the Vongola Famiglia he appears from helicopter along with Kusakabe who left shortly. He accepted Adelheid's challenge, claimed that she could not bite him to death and revealed his Vongola Gear, Modified Uniform, starting the battle.
Before Hibari could attack, Adelheid encased herself in her Diamond Castle, claiming it was impenetrable. She then summoned 500 Blizzardroids, claiming that they all possessed the same level of skill as her and that they would take Hibari's arm band. Uninterested, Hibari calmly strikes down the first Blizzardroids that attack him using a Cloud Flame-enhanced chain shot out from his tonfas, much to Adelheid's surprise. Hibari then, after casually yawning, begins striking down the other Blizzardroids, switching between his tonfas, the chain, Roll and Alaude's Handcuffs until all 500 have been destroyed. Undeterred yet surprised, Adelheid reforms several Blizzardroids behind Hibari, who dismisses them as not being a threat to him. Adelheid then asks Hibari why a man of his caliber has sided with Tsuna, and Kyoya retorts that he isn't and asks Adelheid why she follows someone equally as pitiful. When Adelheid tries to defend Enma by saying he carries the sadness of Simon, Hibari remarks he is a small animal and that he keeps on screaming because he bears things too big for him. This sends Adelheid into a rage, who declares that Enma hates war and only chose this path to preserve the Simon, while sending her revived Blizzardroids to attack Hibari, who quickly cuts them down. Hibari then begins striking Adelheid's Diamond Castle, but his attacks seem to do nothing more than leave shallow cracks in the ice.
As Adelheid revives her Blizzardroids again, Hibari quickly defeats them and continues trying to break the castle, but Reborn comments that if Hibari continues at this pace he would run out of stamina. When Adelheid claims that Hibari will never break her castle and take her armband, Hibari says that in some cases, small animals aren't weaklings and have their methods of survival; otherwise they would have died out long ago. He then comments that Roll would be the one to shatter her castle from the inside; as Adelheid ponders what he means, it is revealed that Hibari planted copies of Roll in each crack he left. He then has Roll go into Needle Sphere Form and the copies inside the castle grow and shatter it. Hibari then appears behind a stunned Adelheid who says that despite her loss, Enma would revive the Simon and Hibari would regret siding with the Vongola. Hibari responds that he isn't on either side but does as he pleases, which Adelheid claims makes him a true cloud of the great sky. While Hibari doesn't like her phrasing, he states that the sky does allow the clouds to move freely, but one day he would bite up the sky itself. After Daemon possesses Mukuro's body, Hibari challenges him to a one-on-one battle and tells Tsuna and the others not to interfere. At first, he is seen gaining the upper hand until Daemon copied Ryohei's Vongola Gear and uses Maximum Sunshine Counter. Hibari is able to dodges this since Daemon let it miss on purpose and then traps Hibari into his Illusionary world like he did to Gokudera, Yamamoto, Lambo, and Julie. After Tsuna defeated Daemon, Hibari exits the world and sees the final key. A week later, Hibari leaves to fight the recently released Mukuro. (Unfortunately, in volume 36 side picture, Mukuro is not present since he already left for Jura).
Reborn asks Hibari if he wanted to be a part of the Representative Battle of the Rainbow; Hibari declined Reborn's request. Reborn states that Hibari got a severe case of hives after being with Tsuna and his Guardians during the long battle with Daemon.
1st Day of Representative Battle of the Rainbow
Later, it is revealed that he became Fon's representative, during the first battle royale round, where he eliminates Ryohei, but is immobilized by Yamamoto's Rain Flame Tranquility characteristic, which allowed Yamamoto and Gokudera to escape.
2nd Day of Representative Battle of the Rainbow
On the second day, before the battle started, Hibari revealed to Dino that his sole reason for becoming Fon's representative was to 'bite him to death'. Later, Hibari, along with Fon, fights Team Mammon. Before he could finish his battle with Xanxus, however, the watch announced that the battle is over. Hibari, cannot accepting the result and still want to fight, destroys his own Boss Watch and thus eliminates Team Fon from the Representative Battle. Since Xanxus was stopped by other Varia members from continuing their fight and destroying the boss watch, Hibari turns his attention to Dino.
It revealed that Hibari had been fighting Dino since the end of the second day battle at Namimori Mountain until Tsuna arrived and revealed everything about Arcobaleno and the Representative war, shocking both of them. Later, he, along with people who Tsuna had contacted yesterday night gathered at Tsuna's house as Tsuna asked for them to fight together.
4th Day of Representative Battle of the Rainbow
At the fourth day and last day of Representative Battle of the Rainbow, Hibari is chosen as one elite members to fight against Bermuda and his team. He saved Dino from Jager's attack and work together with Mukuro to fight Jager's formidable strength. He was confident when Jager was unable to short warp his weapon, but this proven to be wrong when Jager short warp and appear behind Hibari, dodging Hibari's Vongola Gear. Tsuna arrived in time to save him from Jager's sneak attack. He and Mukuro protected Tsuna as Jager continued his attack, which Jager responded by stabbing them through their shoulders. Mukuro used his illusions to keep Jager in place as Tsuna shot his X-Burner at him, defeating the Vindice. However, this leaves Hibari and Mukuro gravely injured and they collapsed, unable to continue fighting. Bermuda interfered before Tsuna could destroy the boss watch. He destroyed Hibari's and the other remaining members' battler watches to prevent them from assisting Tsuna.
After Tsuna defeated Bermuda and Kawahira removed the Arcobaleno curse, he was submitted into Namimori Hospital along with Dino, Basil, Varia, Byakuran, and Kokuyo Junior High Gang. Because of Xanxus' attack, the wall of his room was destroyed, disturbing his sleep. This annoyed him and he counter the attack with his tonfa and enter Xanxus' room as he said that he will bite those who disturb his sleep to death with several Hibirds flying around him, making Tsuna wonder how Hibari was able to sleep with all those Hibird chirping. His tonfa caused the wall that connected to Mukuro's room destroyed, startling Mukuro and his subordinates who were eating their snacks. Since their rooms are all connected, Reborn suggested to having a pillow fight, which they replied by suggesting another games that will cause more injuries, destroying some parts of the hospital. In the final chapter, he is shown when Tsuna narrates his thought of how he has friends that he could rely on now.
He is Hibari's right-hand man both in the present and future. Kusakabe highly respect Hibari and is very loyal towards Hibari and would diligently carry out his order whatever it would be without further question. He would always follow him everywhere to watch over him and make sure he won't do anything reckless, though sometimes this ends up with him being beaten by the latter. Hibari shows little care for Kusakabe's well-being, punishing him whenever he fails his duty as disciplinary committee despite Kusakabe already being injured and treat him indifferently as he does to others. However, they are shown to have a closer relationship in the future, as Kusakabe addresses Hibari by the nickname 'Kyo-san' and Hibari addresses Kusakabe with the nickname 'Tetsu'.
Hibari displays bitter resentment and rivalry towards Mukuro Rokudo due to humiliation over his defeat. As such Hibari appears to have developed an obsession to defeat Mukuro and from this, a hate for all illusionists. Reborn is even able to quell Hibari's rage by using the possibility of him fighting Mukuro again. Mukuro seems to have some interest in Hibari, after he was able to move with so many injuries. He even has his subordinates Ken, Chikusa, and Chrome to watch his match against Gola Mosca. In the future, they still continue with this rivalry and have yet to finish (since Mukuro is still imprisoned). However, they seem at least, to have a respect towards each other, Mukuro even sent a map of Melone Base to Hibari when he disguised himself as Byakuran's subordinate. Ironically, both are totally in sync when fighting together as pointed by Reborn.
In the Databook, he commented that he can't understand Tsuna because Tsuna's weak sometimes and strong sometimes (Dying Will Mode). At first, Tsuna didn't interest him, but in the Future, Tsuna has already gained his respect. Hibari states the only two people that make him happy to fight are Reborn and Future Tsuna. Together with Irie and Vongola Decimo (Future Tsuna), they planned to send Tsuna and the other Guardians from the Past to the Future. He was the only Guardian Tsuna informed about this risky plan. Tsuna also sees him as a valuable comrade and thinks very highly of him. More often, though, Tsuna sees him as a scary person and doesn't want to incur his wrath. In the Inheritance Ceremony Arc, when Tsuna lost his will to fight and got depressed, Hibari confronted him and said: "Little animal, your face is boring. Watch my fight closely." This may have been Hibari's way of encouraging Tsuna, and could also mean that Hibari has started to acknowledge the current Tsuna's power. He declared to Adelheid that "he will one day bite the sky", showing that he has a desire to fight Tsuna. He sometimes addresses Tsuna as "small/little animal". Considering that he likes small animals and their determination, this may be his way of showing that he doesn't hate Tsuna and acknowledges the latter's willpower.
The greatest sign of Hibari acknowledging Tsuna, potentially even respecting him, is when during the Curse of the Rainbow arc, Hibari was fighting against Dino after the second day of the representative battle, and Tsuna told that that he had something to tell them. The moment that Tsuna showed how serious he was, Hibari stopped his fight with Dino to listen to him, a feat that is very rare, especially as Hibari was very determined to bite Dino to death. In the future, when Tsuna stopped a fight between him and Mukuro, Hibari didn't mind and even asked Tsuna to spar with him in Mukuro's place, though Tsuna declined.
Both of them are the two oldest Guardians. Ryohei acknowledges Hibari's power and had already visited his house several times to challenge him but was always beaten by him (according to the art book). On the other hand, Hibari only sees him as a "noisy animal" and treats him like the others. However, in the Future, they seem to already have some mutual respect. Ryohei even suggested they drink together at some event but Hibari refused. Sometimes their thoughts clash and create arguments about minor things, which ends up with Ryohei challenging him to fight. In the Inheritance Succession Arc (anime only), Ryohei is the only one who manages to convince Hibari to take the trial. This makes Ryohei the second person to be able to convince Hibari on something, after Dino. Ryohei is also the only person who makes an effort to befriend him, much to the shock of others. Ryohei's efforts have not been in vain, and their future selves seem to have a much better relationship.
Dino is Hibari's home-tutor during the Ring Battles with the Varia; however, Hibari doesn't see him as his teacher and doesn't care about it, only wanting to bite him to death. Dino sees him as his student and acknowledges his skills when he trains him, but also finds it hard to train him since Hibari has no interest in listening to him. Moreover, Dino seems to be the only one who can convince Hibari to stop fighting, though at first, it was very hard to do so. However in the future, he is able to convince him more easily and always accompanies him if he "runs off" because of his dislike of crowds. Dino thinks of him as a reliable Guardian for Tsuna. Hibari doesn't seem to hate him, although is sometimes irritated by him. Once in a while, Hibari will take what Dino says into account.
Hibari tells Dino that one of the reasons he joined Team Fon was to bite him to death. Upon Fon asking the reason why, Hibari reveals that Dino was the first person to ever want to be his mentor, stating that he has no need for such a thing, and so he wants to win against Dino to prove that he doesn't need him.
Hibari and Fon are related to each other, though the details of their connection have yet to be revealed. Hibari represented Fon in the Arcobaleno battles and the two were shown to be comfortable with each other. Fon was reluctant to let Hibari fight the Varia by himself. Hibari physically resembles Fon, though their personalities are rather different.
Abilities and Weapons
Hibari is a frightening individual that has earn the respect, and fear, of many people, both present and future. He is the strongest of the Guardians, and has hardly ever lost a fight in the series. In the times he faced against Gokudera and Yamamoto, he easily defeated them in their first initial encounters, but afterwards, they grew strong enough to give him a challenge, but not enough to excite him, as the only ones that could do that were Reborn and Future Tsuna.
One of the most terrifying traits of Hibari is his immense resilience and endurance. He is still able to fight despite having several broken bones and even capable of resisting Death Heather poison that was capable to stopping elephant from moving. Later on, Hibari has become very adept at using Rings; opening Cloud attribute Box weapon's with Cloud Rings, although he usually shatter's them after one use, due to the intensity of his flames. Hibari has also shown to be capable of emitting a massive Dying Will Flame with the Cloud Vongola Ring; The flame was so great in fact, that it overloaded his Box Weapon and made the Cloud Hedgehog drunk from the flames, which later caused it to go out of control.
- Tonfas: Hibari's tonfas seem to be his main weapon for combat. Later it is revealed that they hold hidden compartments. The ends of the tonfas can release flails and the sides contain spikes and hooks.
- Cloud Hedgehog: In the future, Hibari's Box Weapon is a Cloud Hedgehog. When released, the hedgehog can multiply in number. He often will use his hedgehogs when he fights opponents he deems as weak. When facing stronger enemies, he then will instead use his Cloud Tonfas. Due to the Cloud Flame's Propagation ability, he can increase the size of his Hedgehogs to large proportions when they take in his flames.
- Vongola Cloud Hedgehog: Hibari's original Cloud Hedgehog Roll is later integrated into his Vongola Box. It now appears as a Hedgehog with larger, but fewer, spikes than the other Cloud Hedgehogs.
- Roll (Version X): Roll takes his initial appearance (as he appeared before as a Cloud Hedgehog), although with jewels on both his forehead and chest. He is now capable of merging directly with Hibari for his Cambio Forma.
- Cambio Forma: Alaude's Handcuffs: Hibari's Cambio Forma takes the form of a pair of spiked black handcuffs. He can multiply the number of handcuffs by using the Cloud Flame's Propagation attribute. These handcuffs can be used to envelop and restrain an opponent. Hibari can then dramatically decrease the size of the restraints, crushing his opponent on all sides of their body. In its Version X form the Cambio Forma allows Hibari to gain a pair of modified tonfas on each arm and a trench coat.
- Bracelet of the Clouds Version X: The upgraded Vongola Cloud Ring, combined with Hibari's Vongola Box animal Roll.
- Cloud Flame Radar: He uses his Ring's Flames as a radar by thinly spreading the Flame over a wide area and using the vibrations to detect anything that enters the area. This allows him to counter illusions by using it to sense where the actual object is, as seen in his battle against Genkishi's Spettrale Nudibranchia.
On November 7, 2007, a character CD entitled "Sakura Addiction," featuring Mukuro and Hibari, was released, and became the most successful Reborn! character CD, debuting in ninth place in the Oricon charts. The single reached its peak at seventh place, but remained in the chart's Top 40 until mid-January 2008. It contains duets and individual songs sung by both voice actors: Toshinobu Iida and Takashi Kondō. There are two available covers; both show one character as the main feature, with the other shown in the background with his back turned. The song "Sakura Addiction," which was a duet sung by both voice actors, was used as the fifth ending theme for the series.
For the second annual Seiyū Awards, Toshinobu Iida and Takashi Kondō each received a nomination for "Best Musical Performance," for "Sakura Addiction."
- According to the fanbook, his favorite food is hamburger steak.
- According to the fanbook, his favorite phrase is "Kamikorosu" (Lit. I'll Bite You to Death) and "Wao".
- "Hibari" can be translated into skylark, a kind of bird.
- Hibari's first kanji in his name literally means "cloud" in Japanese, which reflecting his flame attribute and role as Cloud Guardian.
- In the most recent poll, Hibari ranked first for popularity and second for strength.
- In the 2007 and 2008 popularity poll for "the character I want as a groom", Hibari ranked first.
- His pride is Namimori Middle's Disciplinary Committee and the iron hammer for those who are against its order.
- Hibari seems to think that the Dying Will Flames are fueled by irritation instead of resolve, due to him thinking that both were the same thing.
- Hibari shares the same seiyu, Takashi Kondo, with Alaude and Fon. Coincidentally, these three are all similar in appearance.
- According to Kusakabe, Hibari cannot stand drinking alcohol.
- Even though he is still in Namimori Middle School, Hibari apparently owns and rides a motorcycle.
- Hibari was featured on the cover of the eighteenth volume, the volume number being the same as his shorthand.
- Due to a previous infection with the sakura-kura disease (which was later cured), he feels uneasy whenever around cherry blossoms and loses his will to fight and even refuses to even talk about it when Haru bring it up as a subject in Haru-Haru Interview.
- He lives in a large traditional Japanese house with the same style as the one the Foundation built in the future.
- According to Fuuta's ranking in the fanbook, he is ranked 1st in the Mafia to be able to protect his village even if a monster appears.
- In the Haru Haru Interview in the 31st manga volume, Fon said that he and Hibari were related, but changed the subject knowing that Hibari would get angry if Fon said it out.
- Future Hibari bears resemblance with Shinya Kogami, the main character from Akira Amano's other work, Psycho-Pass.
- In Everyone's One Day Activities, he made a new room in Nami-Middle specially for all Hibirds that he owns.
- According to Fuuta's ranking databook in volume 36, Hibari ranked 2nd as "the most wanted mafia member."
- Character Songs Featured In: