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Reborn (リボーン, Ribōn) is the infant home tutor of Tsuna and the world's strongest hitman. Before he received the Arcobaleno Curse, he greeted people with the word "Chaos". However, he says "Ciaossu" while he is in his cursed form due to his undeveloped vocal cords as a two-year-old. "Ciaossu", incidentally, is a combination of the Italian and Japanese greetings "Ciao" and "Ossu".
He wears a black fedora with a thick orange stripe running across the sides of the cone. He has black eyes and wears an all-black suit with black boots and a red long sleeved polo with a blue necktie underneath. His adult form, however, wears a yellow long sleeved polo. Reborn has also worn many various costumes that vary in design and creativity. He is always seen with his pet chameleon Leon on the brim of his hat along with his Sun Arcobaleno Pacifier.
Among all the Arcobaleno, he is said to be the strongest. It was revealed in a flashback that Reborn initially showed anger towards the Arcobaleno curse; however, after a period of exile, he came to accept it, asking Shamal to "erase" his old self. As an Arcobaleno, he remains fairly calm through any situation and always putting a straight face, even in his "fights" against Colonnello. He also likes to occasionally teases his students, much to both Dino's and Tsuna's dismay. He did, however, admit to have snapped when Timoteo was revealed to be in Gola Mosca during the Varia Arc, and was also shown to be enraged when he could only helplessly watch as Tsuna was being beaten up by Daemon.
Reborn mostly takes a mentoring back seat in the arcs, rather than the direct fighting; however, he can be credited with helping Tsuna achieve much higher levels and gain new, more powerful attacks.
Reborn is introduced and he is shown wearing many costumes and appearing in his many hideouts. He is a known celebrity at Mafia Land.
Before he learns of the seriousness of the attacks, Reborn, along with Nana encourages Tsuna to learn how to defend himself. But when he and Tsuna visit the hospital after Ryohei falls prey to the attacks, he discovers the watch. When Leon's tail falls off, the severity hits him. He reads Tsuna the letter he received from the Ninth, and opts to gather a group to do battle with Mukuro's gang.
Kokuyo Land Invasion
Bianchi, Yamamoto, and Gokudera join Reborn and Tsuna as they begin their offensive. During Takeshi's bout with Ken, he kicks Tsuna into the Botanical Dome because he expressed concern over Takeshi. He helps the two out of the hole after Takeshi wins the fight, and accompanies the group to a rest area, where he sleeps through the encounters with M.M. and Birds. When Reborn awakens, Tsuna runs off to go and pursue Fuuta, and the rest of the group stays behind to take on the next killer, who turns out to be the Fake Mukuro. When Gokudera is temporarily incapacitated by Shamal's Trident Mosquito side effects, he watches as Yamamoto takes on the Fake Mukuro. He and Takeshi simultaneously figure out and reveal the trick of the Steel Serpent Ball. But, it wasn't enough for his future pupil to win. As Bianchi steps to the plate to fight next, and is nearly pulverized, Reborn shoots Tsuna with the final Dying Will Bullet just before he catches the weapon. Reborn looks on as Tsuna takes the win, and as Lancia reveals that Mukuro is actually still up ahead.
Reborn is forced to condone leaving Gokudera behind to take on Chikusa and supplies Tsuna with the whip Dino gave him. He mainly observes as Tsuna frees Fuuta from possession and gains his new X-Gloves to battle with Mukuro, only intervening when Tsuna panics in the midst of the fight, and he has to talk some sense into him.
Reborn, during the down time between Ring Battles, trains Tsuna on how to use the Dying Will Zero Point Breakthrough in order to take on and defeat Xanxus. However, when Hibari returns from training after Hayato's Storm Ring Battle, to bite everyone-Varia and Tsuna's Family- to death, Reborn placates him by promising that he may be able to battle Mukuro again, which greatly pleases Hibari. For the remainder of the Arc, Reborn has a mainly static role of training and commenting. He lastly shoots Tsuna at the start of the fight when Xanxus tries to gain a cheap shot before the match starts, and watches as Tsuna's Family proves victorious in the Sky Battle.
Arrival & The Search for the StrongestReborn is the first to be transported to the Future and trapped there. It is not yet revealed how he found his way to the Vongola Headquarters, but he is next seen greeting Tsuna and Gokudera as they arrive there with Lal Mirch, though he has to wear a special suit to keep from being killed by the anti Tri-ni-set radiation that Byakuran is pumping into the atmosphere. The anti Tri-ni-set radiation affects the Arcobaleno severely, paralyzing their movement and killing them slowly, but it does not seem to have an effect on normal people. Reborn reveals to Tsuna that he needs to gather all seven of his guardians to do battle with Byakuran's forces. Reborn doesn't venture out of the base at all during this plotline due to the radiation. He does, however, help Tsuna with his training after he returns with Kyoko, Haru, I-Pin, Lambo, and the Yamamoto from 10 years ago by getting Tsuna to realize what his true goals are, which were to "protect everybody," not "to return to the past."
Merone Base Invasion
Reborn appears after Tsuna is captured by Spanner as a hologram projected by Tsuna's headphones and witness to Spanner instructing Tsuna on how to use the contacts to perfect his X-Burner. He remains with Tsuna for the rest of the invasion, and gets Giannini to program a holographic distraction during Tsuna's fight with Genkishi. When Shoichi Irie reveals that he is an ally of the Vongola, Reborn believes him, mostly because he answered the questions that Reborn had being thinking about since he was sent to the Future.Hyper Dying Will Mode and fights Reborn. Reborn allowed himself to be beaten into a wall but Tsuna stops as he is about to use his X-Burner and gets shot down by Reborn's Chaos Shot, who said "I cannot pass a person not fit to be Boss."
He gets captured by Verde, along with all the other Arcobaleno besides Aria, using a variation of anti Tri-Ni-Set waves, which only paralyzes them, as opposed to outright killing them. After Verde's trial, he was asked for a second chance at his trial by Tsuna, but he said that it wasn't necessary. He states that they completed it in their fight with Verde.
To prepare for "Choice," the war game that Byakuran is making the Vongola Guardians play, Reborn asks Shoichi to explain the rules. While he finds the game tasteless, he has great faith that the technicians will come up with solutions for the problems they will be facing. One of their solutions was to make the Guardians ride Motorbikes for extra mobility. When explaining to Tsuna how to ride, he instructs Tsuna to pop the clutch without Tsuna realizing that it was wrong. Reborn's reasoning is that Tsuna should get the worst parts over first that is his tutoring method.
When Dino arrives at the Vongola Headquarters and assigns the Guardians their tutors, Reborn assumes the role of "Tutor Fairy," mostly likely only so he can discipline Dino if he makes any mistakes.
Reborn is present during Yamamoto and Hibari joining the group in the moments before Choice begins. He sees them all unleash their Vongola Boxes and generate twice the amount of FVs needed to transport them- a whopping 10 million. He is engulfed in a beam of light along with everyone else present.
He wakes up in the Lightning Field that Tsuna selected, and listens as Byakuran explains the rules of Choice more clearly. Reborn, along with the rest of those chosen to sit out of the first battle, relocate to the Vongola Audience Stalls to watch the battle of Tsuna, Gokudera, Yamamoto, Shoichi, and Spanner for the Vongola versus Kikyo, Saru, Torikabuto, and Daisy for the Millefiore under the Target Rule.
Later, he protects Yuni from Byakuran by shooting him, saying that if he lays a finger on the Arcobaleno Boss, he won't sit back and watch.
Seeing that Tsuna and the others need to become stronger, Reborn arranges to have them sent back to the past. While in the past, Reborn gathers the other Arcobaleno to train Tsuna and his friends. He is also the one who explains to them that they will be tested by Vongola Primo's Guardian. Reborn will train Ryohei, as they both have Sun Flames.
Reborn begins to stay to Ryohei's and Kyoko's house as being Ryohei's temporary tutor.
Reborn was an audience to Yamamoto's trial.
It was stated by Reborn that because Lampo hid inside a castle inside the amusement park and the only objective was for Lambo to acquire three stamps and go to him, it shows his obvious distaste for Lambo and the fact that he had not prepared beforehand. He goes to the amusement park with Lambo, Tsuna, Gokudera, and Yamamoto. Verde finally shows up himself, after sending all sorts of tests on Lambo and defeated by Lambo's Elettrico Cuoio. Reborn chides the defeated Verde and tells him that he is a tutor and should not do this to his student.
During Gokudera's trial, Reborn is seen sitting on Namamori School roof top discussing with Fon, Collonello and Skull on their counterpart students. Skull tries to brag about him and Hibari, but the rest of the Arcobaleno there ignores him. As Skull repeats his sentence many more times, Reborn calmy took Skull and threw him off.
During Hibari's and Ryohei's trial, Reborn tricks Skull into taking action on Hibari. When Skull tries to attack the school, he tells Tsuna, Gokudera and Yamamoto not to interfere with Hibari and Ryohei arguing and later, defending the school. Eventually, Reborn told Yamamoto to tell the first-year base ballers to evacuate from the school.
After arriving back with the rest of the gang from the past, Reborn tells Tsuna that they do not have much time before the Real Six Funeral Wreaths appears from the teleportation system. Soon after Giannini gets the alert that they have arrived, Reborn goes and inform the rest.
He flees the Vongola Base together with the rest as Squalo tries to buy time by fighting with Zakuro. Upon hearing Haru's suggestion of a hideout, he decides to agree into hiding at the place Haru knows of.
Upon reaching the place, which turns out to be Adult I-Pin's ramen customer's place, (uncle) Kawahira suspiciously tells them that he knows what is going on and they can trust him on luring away Zakuro. At first, Reborn was suspicious but decides to trust him. When Kawahira uses his Segno Hell Ring to create fake killer intent to lire Zakuro away, Reborn starts to ponder who exactly Kawahira is, he is being able to create strong illusions too.
When Kikyo, Bluebell and Zakuro arrives to take Yuni away, Reborn joins in Gamma and Tsuna in defending Yuni. Reborn sits on Basil's Alfin to travel to the air to help out, shooting at Kikyo, tell him that the Vongolas do not fight alone but as a team. With that inspirational sentence, the rest of the Guardians become prepared to fight against Kikyo, Bluebell and Zakuro. Kikyo decides to retreat, leaving Reborn and the others behind.
Fleeing into the forest according to Yuni's suggestion, he tells Tsuna that he has to come up with a plan to continue protecting Yuni from Byakuran. After seeing the slight conversation between Yuni and Gamma, Reborn decides to talk to Gamma about his feelings for Yuni. As Gamma and Reborn walk away from the camp, Reborn tells Gamma that he should stop treating Yuni like a child and admit her feelings towards him.
When the 7³ set ring bosses, the Mare and the Vongola calls, Yuni's Sky pacifier resonates and she floats upwards. Determined to protect the Arcobaleno's boss, Reborn tries to break the barrier around Yuni, only to get deflect off.
Reborn gets a notice from the 9th Boss that the inheritance ceremony would start in a week's time.
Investigating the Simon Famiglia
Reborn, getting suspicious, uses the opportunity on the Simon Famiglia guarding Tsuna to test Koyo Aoba (since it was his turn). Just nice, Ryohei appears at Tsuna 's house, following Koyo's taunts on a piece of paper. Upon Nana's suggestion, he decides to give the friendly rivals a study test (which they share the hatred of studies, both being 'idiots'). He gives them an easy test written on extra hard plates. He slyly tells them that if they manage to break the plates, he would have to postpone the test. He watches over the duration of the two spending time in Tsuna's room. When Tsuna's room explodes, he rushed up with the rest to see the plates broken by Ryohei's Maximum Cannon . He was impressed by Ryohei's strength, but was more shocked by Koyo being able to withstand Ryohei's Maximum Cannon without receiving any injuries.
Arrival at Simon Famiglia Island
Reborn arrives at the island with Tsuna, Gokudera, Lambo and Ryohei on the Ninth's boat with his guardians. He debarks with Tsuna and his remaining guardians to the island. When Tsuna activated his new Vongola Gear when the Simon Famiglia arrived, Reborn felt that Tsuna feels different.
Ryohei Sasagawa vs Koyo Aoba
Reborn, together with Tsuna, Gokudera and Lambo could only stand at one side and watch the fight between Ryohei and Koyo.
After Ryohei and Koyo collapse because of the severity of their injuries, Tsuna, Gokudera and Reborn rush to their side to provide medical attention. However, the Vendice intervene, declaring that since both combatants lost, they were both to be imprisoned in the Vendicare Prison. Reborn doesn't receive the memories contained in the First Key.
Lambo vs Rauji
Reborn commented on how good Rauji was getting Lambo to face him.
Reborn doesn't get the memories contained in the Second Key.
Hayato Gokudera vs Shitt P.
After the Vindice take their leave, Reborn with Tsuna, Gokudera and Lambo carry on walking on the road. Soon, they reach a town which looked like the town Giotto and G. met Simon. There, they meet P.Shitt. Reborn observes the battle between P.Shitt and Gokudera. He was impressed when Gokudera wasn't disillusioned on Tsuna and still insists on becoming Tsuna's right-hand man, trying to live it up to G. .
Reborn doesn't receive memories from the third key.
Enma Challenges Tsuna
Reborn seems to be a bit shocked with Enma suddenly appearing to challenge Tsuna. Sensing that something is going amiss with the fight he tells Gokudera (who was holding Lambo) to back off and take cover. He also gets shocked that Tsuna's father is mentioned to have been involved in the murder of Enma's family.
Kyoya Hibari vs Adelheid Suzuki
On the road once again, Reborn analysed Tsuna. Tsuna, hurt and stunned mentally (but not physically, he noted), instructs Gokudera to protect Tsuna at all cost. He and Gokudera sees the mysterious helicopter but brushes it off. When Adelheid appears, Reborn, for the first time on the island, gets a bit worried. He tells Gokudera not to attack her since he has exhausted himself and cannot use his Vongola Gear just yet, with Tsuna still in a state of shock and Lambo winning his round out of luck entirely, hence, unable to fight her. Adelhied yells at them, telling them that they are supposed to be now fighting on pride and when Hibari arrives, Reborn smiles.
Reborn is shown to be having a dream of the time when a mysterious man gathered the "I Prescelti Sette", the aforementioned group becoming the Arcobaleno as a result. In the dream, he recalls the experience, but is suddenly turned back into his infant body. The mysterious man that gathered them reveals himself and presents them with the opportunity to turn back into their adult forms with a competition, where the strongest Arcobaleno's form will be reverted. Reborn resisted at first, but after his Arcobaleno colleagues all agreed, agreed as well. Later, he asks Tsuna and Dino, explaining the curse of the Arcobaleno after they agreed to fight for him. Reborn is then seen the next morning walking with Tsuna to school, while the Kokuyo Gang shows up, Verde revealing himself and the fact that he asked them to fight for him, causing Reborn to mentally comment that Verde and Mukuro together were a troublesome duo. Reborn is later on seen walking with Tsuna to Dino's hotel, later following Belphegor, who, upon their arrival, kidnapped Tsuna to Xanxus's office. As Reborn arrives, a man claiming to be the planner of the "Representative Battle of the Rainbow" arrives, introducing himself as Wonomichi and states that he would be explaining the battle, who does so.
On the first day of the Representative Battle of the Rainbow, Reborn only goes up to Iemitsu and Colonnello after Tsuna is defeated by Iemitsu to form an alliance with them.
On the second day of the Representative Battle, Reborn takes Team Reborn, his team, to Team Yuni's mansion to hear some intel about Team Verde, who were immensely powerful on the first day of the battle. Night soon falls, and the battle begins, with Reborn and Yuni sitting in the mansion while their representatives fought. When Iemitsu terminates his and Team Reborn's alliance, Reborn is visibly angry. When Reborn attempts to stop Colonnello's Maximum Rifle shot along with Gamma and Tsuna, Reborn preparing to release his Arcobaleno Curse, Byakuran intervenes and takes the blow. When Tsuna is defeated by Iemitsu and the latter is about to hurl a boulder at the former, Reborn, in his un-cursed form, intervenes and easily heavily injures Iemitsu, while teaching Tsuna a lesson about his two largest flaws in battle, though Tsuna is unaware who the un-cursed Reborn is. Reborn leaves his un-cursed form and watches as Tsuna fights Iemitsu.
During the third day battle with Team Bermuda, Reborn noticed that Tsuna hesitated to fight full power out of fear that doing so would destroy the boss watch. Seeing that Tsuna slowly getting cornered, Reborn shouted at him to forget about the boss watch and fight like his life depends on it. Reborn then took out Tsuna's 0 test score, revealing that the only reason he joined the Representative Battle is to make him stronger, Finally convinced, Tsuna prepared to continue to fight with all of his strength even if the boss watch breaks. Tsuna understands Reborn and both he and Jaque start to fight at full power. After Tsuna defeated Jaque, Bermuda comes because he wants to invite Reborn onto the team. Reborn rejects the offer. Bermuda created a warp hole and sucked Reborn with Tsuna too because Tsuna wanted to save Reborn. They both arrive in a place with skeletons on the floor. Reborn said that he let himself get sucked because Reborn wanted to know what Bermuda meant about "the truth." Looking up, Reborn and Tsuna see a stone revealing the secrets of the Arcobaleno.
Bermuda and Jager appeared in front of them and started to explain that the Arcobaleno are human sacrifices that Checker Face has set up to protect the Pacifiers from generation to generation. Once the Arcobaleno's life span start to reach to the end due to the curse, Checker Face will choose seven people to become the next Arcobaleno through either contract job or Representative battle and removed the flames of the previous Arcobaleno from the pacifiers, leaving them either to die or becoming Vindice. To get his revenge on Checker Face, Bermuda offered Reborn once again to join him. Reborn questioned why he choose him out of all Arcobaleno and what will happen to the current Arcobaleno if Checker Face was killed. Bermuda explained that he likes crazy people like him and witnessing Tsuna's growth through his teaching is what made him realized how Reborn is different from the other Arcobaleno. He revealed that if Checker Face is defeated, the current Arcobaleno, the Vindice, and everything that involved with it will die as killing Chekcer Face means destroying the Arcobaleno system itself. Reborn didn't mind dying, but he disagreed if Lal and Yuni are getting involved with it. Tsuna, against the idea, declared that he won't let Bermuda win the Representative Battle. Hearing Tsuna's declaration, Reborn decided to follow Tsuna's will.
However, Reborn immediately changed his mind when Jager single-handedly overpowered Tsuna, seeing no possibility for Tsuna to win against him and told him that there's no need for Tsuna to die for them, the Arcobaleno since this is the Arcobaleno's problem alone. He told him that he can return the boss watch whenever he want to. Once they got back, he immediately called the other Arcobaleno except Skull to a meeting and told them everything that Bermuda had told him. The meeting ended up to a huge argument when Reborn considers to join Bermuda since he want to stop the Arcobaleno system even though at the cost of his life while Colonnello doesn't want Lal to get into this and Mammon and Verde refused to die because of Bermuda's scheme. Yuni and Fon tried to mediate them, but Mammon used his illusion that accidently hit Yuni and they finally stopped and took her to the hospital and part ways without making up.
In the morning, Reborn finds Tsuna and Tsuna says that he has something to tell him. Tsuna brings Reborn to Namimori Shrine, deciding to skip school. When Reborn says that as a home tutor he wouldn't permit it, Tsuna angrily rants about everything that had happened ever since Reborn came into his life and tells Reborn that he's not qualifed to be a home tutor. After his outburst, Tsuna states that he won't let Reborn die.
Reborn is Timoteo's most trusted assassin. Timoteo is Vongola IX, and, as so, is the one who pointed him to teach Tsuna how to succeed the Vongola Famiglia. Reborn thinks very highly of him and respects him. They often communicate with letters about Tsuna's progress and growth when he teaches him. The Ninth seems to reveal many secrets of the Vongola to Reborn since he knew that he can trust him enough with it. When Xanxus stated that he had done something to the Ninth at Lightning Ring Battle, Reborn already prepared with his gun. Also, when the Ninth was revealed to be inside Gola Mosca as part of Xanxus's scheme, he stated that he had already lost his patience but wouldn't fight to appreciate the Ninth's will. He also often convinces Tsuna to think about the Ninth's feelings when he refused to take part in the Inheritance Ceremony.
Dino was Reborn's student before Tsuna. Reborn was sent to train him to make him the Boss of Chiavarone Famiglia. Similarly like Tsuna, Reborn treats Dino hard and fierce with his Spartan methods of training that makes the young Dino to become wary of him, and until now, still does. Reborn often likes to tease and make fun of Dino, referring him as No-Good student of his along with Tsuna. Despite Reborn's treatments, Dino come to respect Reborn and grateful of him since thanks to his trainings that he is able to become a great and dependable Boss for his Famiglia.
Reborn forms a special relationship with Luce, Aria, and Yuni, who all share the same blood and destiny. Before becoming an Arcobaleno, Reborn seems to be close to Luce and cares for her. Luce was also the one who commented that Reborn's sideburns were his most attractive feature. Reborn is mostly seen with Luce and they were shown to have talked about personal or Famiglia problems. After Luce's disappearance, Reborn was also the first person who realized the resemblance of Aria with Luce and apologized to her for forcing her to carry the Arcobaleno curse. Aria also sees him as a good friend possibly because of his relationship with her mother. In the Future, the first time Reborn met Yuni, he immediately recognized her, just like when he met Aria. Yuni also immediately called Reborn "Uncle." He can act very protective of Yuni because she is the Boss of the Arcobaleno. He is also the only one who understood her feelings and her destiny as the Sky Arcobaleno, just like her mother and grandmother.
Colonnello, Lal, and Fon are Reborn's old friends. Colonnello claims to be his great rival but they actually have a lot in common and share some of the same qualities and traits, like having a sharp tongue and sleeping out of the blue. They also often punish Skull when he had done something stupid.
Lal acknowledges Reborn's strength and even admitted that he was the strongest Arcobaleno, though she is often irritated by him because he knows what she was thinking and what action she will take, which ends up in argument. Reborn sometimes like to tease Lal since she doesn't have sense of humor.
Reborn rarely interacts with Fon since Fon lives in China, but they are on good terms. Reborn acknowledges Fon as a high-skilled martial artist and both of them also give some suggestions to each other whenever needed.
Skull, on the other hand, is only seen as an errand boy or a lackey, which annoys Skull because he feels that Reborn never sees him as an equal, but also found that he's afraid of Reborn when he starts to punish him. Skull often tries, to no avail, to prove that he is superior that always resulted him being punished by Reborn.
Reborn and Mammon don't seem to be on good nor bad terms; however, Mammon thinks of Reborn as a shameless and foolish person but, at the same time, is also aware of his strength.
Out of all Arcobaleno, Verde is the one that Reborn doesn't get along the most. Reborn never considered Verde as a comrade and found it hard to trust him due to Verde's obsession with his research and the fact that he will do anything to accomplish it. Verde only thinks of his research and didn't care when he broke the Arcobaleno Pact, and he sees Reborn and the others as merely a subject of his research. He commented that he found it unpleasant to be with the other Arcobaleno and Vongola. Their mutual dislike towards one another is furthered shown when Verde joined the Representative Battle simply because he wanted to defeat Reborn.
Weapons and Abilities
- Reborn Costumes - Reborn likes to wear different costumes for spying purposes.
- Leon - A shape shifting chameleon and Reborn's main Weapon, it is also his partner. Though not seen always in battle, he is so strong that he can handle Tsuna and his Guardians without any trouble.
- Gun - Reborn uses this to either shoot someone or somebody. He also uses this to shoot Tsuna with the Dying Will Bullet or the Criticism Shot.
- Chaos Shot - While conducting his own Trial, Reborn with his partner Leon fires a set of Sun Flames that numbs all the body's organs and nearly shuts them down making the body act as if it were dead. It acts as a homing missile and can even split into two or more Chaos Shots at will.
- Magnifying Glass - Leon transforms into a magnifying glass and allows Reborn to see someone's personality.
- Parachute - Leon transforms into a parachute that allows Reborn to float.
- Reverse One Ton Mallet - Although only shown in the anime for comedic purposes, in the manga, the One Ton Mallet has an ability that only Reborn can use. At will, Reborn can lift and swing this weapon around as if it were as light as a feather and if Reborn hits someone with it, their Dying Will Flames would be extinguished. It can also be used as a normal weapon. In the anime, Leon uses his shapeshifting abilities to become the mallet, but in the manga, the mallet is a separate entity.
- Reflect Mirror - While conducting his own Trial, Leon transforms into a mirror and reflects back the attack to the enemy.
- Hot Air Balloon - Leon transforms into a hot air balloon to transport Reborn around.
- Hang Glider - Leon transforms into a hang glider to transport Reborn.
- Gun - Reborn uses this to either shoot someone or somebody. He also uses this to shoot Tsuna with the Dying Will Bullet or the Criticism Shot.
- In the anime, Reborn's usual gun when Leon transforms is the CZ75 1ST.
- Reborn can fire a bullet with accuracy within 0.05 seconds.
- He had at least 4 girlfriends.
- Reborn, along with Colonnello, often sleeps with his eyes open, as does his pet chameleon, Leon.
- Reborn, before becoming an Arcobaleno, owned a chameleon.
- In the most recent poll, Reborn ranked 13th in popularity and 3rd in strength.
- He calls Dino and Tsuna his "No Good Students."
- Reborn has a master's degree in mathematics.
- Reborn's favorite drink is espresso.
- Reborn's favorite type food is nami flavored miso soup.
- Reborn stars in his own interview, "Mr. Rebboku's Ciao Ciao Interview" on 3 special DVD sets.
- Reborn is a member of the Italian bird society.
- Reborn states that he can read minds. He is also shown to know what Tsuna and Lal are thinking about.
- Reborn is world-renowned interpreter in both insect and animal languages as he has various insects for henchmen.
- Infant Reborn's seiyu, Neeko, currently hosts the third installment of Katekyo Hitman Reborn's ReboRaji Internet radio show.
- Sometimes, Reborn's shadow is in the shape of his original adult form, such as when he first shows up to train Dino and when he trained Yamamoto during the Future Arc.
- Reborn has really high "mafia hide-and-seek" rankings.
- In the Filipino version of Reborn!, Ciaossu was changed to "Ciao Ciao."
- Character Songs Featured In: