Main characters:

The Vongola Family

Mato Kuroi:

The main protagonist of the Black Rock Shooter series. He was once Tsuna Sawada's childhood friend when Mato and her family moved 10 years ago. Prior to the start of the series, she is much taller than Tsuna, who is much like a younger brother to him. But, some point, Mato's friendship with Tsuna's was short-lived when Mato's father mysteriously disappeared. Mato had felt that she had feelings with Tsuna, who is tired of being called "No-Good Tsuna" for his failed grades and athletics. She and her mother and brother would no longer see each other sometime until they moved.

In Unborn!, Mato was attacked by a group of black armored people that had something to do with Black Rock Shooter and her psychotic form. She was saved by Reborn, who uses a different type for his dying will bullet by shooting her in her right eye which awoken her dying will mode with blue flames in her right eye. After defeating her pursuers, Mato meets with Reborn and talked about her childhood friend, Tsuna, who is the 10th boss of the Vongola Famiglia. Reborn wanted her to be recruited so that she would uphold her family's legacy. But, He had a connection to Mato's missing father, who works at Namimori Corperation (whom Reborn thinks that the Corperation is up to something horrible).

Black Rock Shooter was said to be a forgotten member of the Vongola Family. The first was depicted to v

be a mysterious ally to Giotto.

Hitari Kuroi: Father of Mato Kuroi who disappeared.

Cecil Mademoiselle:

An older girl who has a Dying Will flame that has the ability of time such as reversing, stopping, and traveling. She lives with her ill-tempered "mother", named Gertrude, who usually abused her ever since her husband died. Gertrude wasn't Cecil's mother when she adopted her. Her "mother" had a long history with Namimori Corporation, who had been trying to find a way create a cure for her illness, but was dropped out by Namimori, who had dealt with her erratic behavior. Feeling tired and often dying, Gertrude would rather put fury on Cecil after the loss of her job.

antagonists

The Tempest: A malevolent creature from Otherworld that wants to absorb all life whenever it rampages. It was depicted to be enormous creature that is taller than a Trinitoid and a human. It can scent everything that it needs to wreak havoc when it smells a Dying Will Flame or a Tri-Ni-Set. The creature was named after a windstorm.

TRIVIA: The Tempest also resembles to a DC comics character name Doomsday.

The Dead master faction:

Another group from otherworld, unlike the seven apostles, they're a group of green skeletal horned people who are revealed to be the owners of the Hell Rings.

The Mochida Family

Kensuke Mochida:

the captain at the kendo club at Namimori High, who has a chauvinistic attitude to women at school. He was also the childfriend friend of Takeshi Yamamoto and Osamu Kaneda. Prior to the start of the series, he stormed out ending their relationship, while playing with chess against Osamu. It turns out, before the start of Katekyo Hitman Reborn!, it implies that he was merciless and arrogant to the school because he suffered a emotional abuse by the hands of his father, Shinjo and his older brother, Kateo in a process. Since then, he was a former boyfriend of Tsuna's crush, Kyoko, he felt that he was now in love ever since Kensuke never knew his mother for years. This happens when he witness Tsuna, going on a rampage (due to the dying will bullet strucked him by the infant baby Hitman, Reborn, with his gun) while walking with Kyoko in school. This happens when Tsuna pushed Kensuke up almost to the sky and down to the baseball field that his former friend, Yamamoto played. Kensuke felt angry with the situation when he learned that Tsuna forced Kyoko to be his girlfriend. But in doing so, causing Kyoko to ran in terror and cried. As revenge, Kensuke beat Tsuna up, quickly and runs to Kyoko, in retaliation. The next day, Kensuke tells the whole class that Tsuna had became Kyoko's boyfriend, as it embarrasses Tsuna out of sight. Then, Kensuke attempts to force Tsuna in a fight at kendo to prove who Kyoko loves. When that failed when Tsuna goes to dying will mode by Reborn, he ripped off Kensuke's hair making him bold making him losing his "popularity", he was broked up and cheated by Kyoko.

It is shown that Mochida was often protecting Kyoko by sexually torturing her in order to make Kyoko trust him as a slave.

Before the start of Unborn!, Kensuke felt so humiliated and had lost Kyoko ever since his father presses too hard for his kendo training. As such, Kensuke would wish that he never want to have a great future for such having a abusive family just like it. He hated Tsuna for how much his hate between making him a laughing stock was nothing easier (including Tsuna's classmates). Kensuke pull out his anger on revenge on Tsuna, for making his life miserable and had born to lose just like Tsuna's classmates (accept for his second-in-command, Hayato Gokudera).

In the Kokuyo arc, Kensuke was attacked by the Kokuyo gang. Led by Mukuro Rokudo, He terrorized Kensuke with use of his left red eye that had the six paths of reincarnation, leaving him hospitalized in his cowardice horror.

As the series starts, Kensuke attack Tsuna by pushing him in the school window, causing to fall to death, but was saved by his 2 classmates that were once one of Mochida's followers. Although, he angrily stared at Tsuna, who thinks he doesn't know to fight back.

Some time in the future, Kensuke may seek redemption and respect to Tsuna and would join him with the Vongola Famiglia

TRIVIA :

PERSONALITY:

During the start of Katekyo Hitman Reborn!, Kensuke was more to have a agressive delinquent nature (just like Kyoya Hibari, who always outsmarted him). He was very abusive to Kyoko, who disobeyed his orders on being friendly to shy people (like her crush, Tsuna). Kyoko loved and cared to Tsuna when feeling sorry about losing. Kensuke failed to impressed Kyoko what he was when he lost to Tsuna in dying will mode at the gym.

As Kensuke felt cowardly shocked of Tsuna's bravery .He became obsessively jealous of finding the secrets of the Vongola famiglia (whom he'll have connections in the future as a associate). Kensuke was a vengeful villain in both the series', he was sociopathic and deals hatred with Tsuna.

In Unborn!, Kensuke became depressed when he attacked Tsuna by falling to his death in the baseball field (whom his former friend, Takeshi Yamamoto played at) outside at Namimori High. Kensuke was lucky some point. But, he greedily forced his former crush Kyoko a chance to love him so she would be his wife in the future. As that he was violent and abusive ever since he had a abusive family who didn't about him or else. Kensuke was such as cold killer who always try to plan to murder and take vengeance Tsuna in retaliation.

As so, Kensuke still continues beating up weak students to prove his father of his own superiority.

The Psychosis:

An entity that Mato Kuroi's mind conciousness "had" created when it had revealed to be the one who corrupt Mato's other self, Black Rock Shooter into killing her friend, Yomi Takanashi's other self, Dead Master. Despite it's defeat by the hands of it's doppelgänger, Black Rock Shooter. It survive only to have been sent strate to the reality and often controlled humans as they are preferred to be as Psycholytes, a group of disappeared people of darker sides with insanely cannon weapons that switch from various types of weapons. The Psychosis' weapons control humans as puppets with chains with the weapons in their back and caused them to lose sanity and slaughter, mercilessly for their insanity.

It was revealed that it was a once the seventh path of reincarnation that was the realm of psychology. It had been a curse for thousands of years. Formerly used by Mukuro Rokudo, the mist guardian of the Vongola family, who was the child of the Cult of illusions and had a identical twin brother that had wanted Mukuro to join the Psychosis and bring pain and fear all over the world

As far, A unnamed member of the Psycholytes had another paths of reincarnation in a left eye, that also have the same seventh realm of psychology than Mukuro has, formerly.

The Psycholytes can only be seen every night in Namimori town.

TRIVIA:

According to Talbot, a old man who helped Tsuna and the 6 Vongola Guardians to upgrade their Vongola Rings to Gears, He was told about the urban legend of the seventh path of reincarnation. It maybe the Psycholytes, who were originally been Mukuro Rokudo's family clan, the Rokudos that were cursed by Paths of Reincarnation.

Yuni:

A former member of the Gigilio Nero family, she was prefer a "princess". She was also revealed in Unborn! It was told that she was under cursed by the Dead Master.

The "water God"

A mysterious masked mirrored man.

He first appeared when Tsuna and his 2 classmates (who would once followers to Kensuke Mochida) were cleaning up the school gym. Suddenly, he arrived by using his water techniques to distract and frighten them. When they escaped from the gym, Reign sees Tsuna and his 2 classmates run in

PERSONALITY:

Cold, ruthless, and subsequent connections to the Mochida clan family. He's shown to bring people mercy to other, for those to seek to expose him.

Kikyo:

the second-in-command of his Millefiore boss, Byakuran Gesso. He was known to be leader of the funeral wreaths, before being recruited by Byakuran, It was revealed that he was once a district attorney. He had kindful ways of bringing happyness to the future with no evil in the world. That fateful day, it didn't go so well with Kikyo. He was officially confronted by his employer, who had been handling nesesary fundings, kicked him out and leaving getting revenge against those responsible for losing his job and joined Byakuran and the funeral wreaths. But, after he and the funeral wreaths failed by the hands of the Vongola.

As Unborn! focused on his alternate counterpart, he was seen being held captive by Byakuran's former college mate and friend, Shoichi Irie. Kikyo desire on his revenge on the Vongola and wanted to continued Byakuran's footsteps. Shoichi exiled Kikyo into taking him into an dark and unknown place. Feeling alone, and this wanted revenge. He was found by an entity known as the Psychosis who will promise to take vengeance.

So, the Psychosis controlled Kikyo and was able to go to the present future and kidnapped Tsuna's friend, Hana Kurogawa, who knows everything about Tsuna. During kidnapping Tsuna's friend, Hana Kurogawa in an old warehouse, Kikyo revealed his backstory of losing his job and how he became one of the Millefiore family. Tsuna and Mato (as Black Rock Shooter) found him and defeated him, instantly.

Kasu Motori:

The principal of Namimori High. He was shown that he was a kind and had care for students such as Tsuna Sawada. He was there when Tsuna's science teacher, Nezu Dohachiro became mad of Tsuna's failures at tests and wanted to expell him (cause he wanted to get rid of Tsuna for wasting his life at school). He often fired Dohachiro when Tsuna and Gokudera were able to find the time capsule with his tests that Dohachiro buried for forty years.

He also was responsible for the Namimori Middle Disciplinary Committee.

In the start of Katekyo Hitman Reborn!, before he can fire the science teacher, Nezu Dohachiro, who is attempting to expell Tsuna and his classmates for their troubles. It was simple after the incident when Hibari and the Committee attacked Tsuna, Gokudera, and Yamamoto for using his office as a new base. Kasu had been trying to dicioline him a like a father to Hibari (since his father left the family) for disobeying the rules (just like the unknown female leader of the Committee did), at the his office, telling him to help support students not beat up people in the school. But, Hibari didn't care, he thinks that they were "weaklings". Kasu had feelings for Hibari because he felt like Hibari was no ordinary person maybe because he was a delinquent before attending Namimori Middle.

It was unknown if he has a connection to Namimori Corperation or not.

TRIVIA. He was possibly 50 some years old than Nezu Dohachiro.

Nezu Dohachiro:

The former science teacher of Tsuna, Ryohei, Gokudera, Osamu, Kyoko (Ryohei's sister), Hana, Haru, and Yamamoto at Namimori Middle School.

As a child, he had failed his exams and considering himself "No-Good-Nezu". At the time his parents had been trying to help Nezu to try to find the way to pass the test by trying to practice and that didn't go so well.

Nezu is a proud man who wanted hide details of his exams. He dislikes his students who always fail the test (such as Tsuna and Yamamoto) and wished that they are expelled if they do so. He was never thought that he was impressed by Tsuna's Second-In-Command, Hayato Gokudera, who hated Nezu for thinking that he's "hurting" Tsuna's feelings for failing the test. But, Nezu was so selfish that he was about to expelled Tsuna and Gokudera for their troubles. But, the principal, Kasu Motori was trying to calm Nezu down with his anger on the both, although he's revealed to be drunked and blind. So, Nezu decides to forced Tsuna and Gokudera into finding a old time capsule, hidden somewhere outside the school. After Tsuna was able to find a time capsule, Nezu

Feeling humilliated, Kasu fired Nezu for his failures at school. Nezu convinced to Kasu that he'd wanted to passed the test that's because Nezu was a slow learner, who had been a spoiled nerd at school. But, Kasu had no choice, and forcing Nezu to leave, regretting against Tsuna and Gokudera.

At the beginning of Katekyo Hitman Unborn!, Nezu was said to be a recent victim of thos.

PERSONALITY:

In the beginning, Nezu was shy once, he had the best to go to a better school. Despite being nerdy, unbenounced, Nezu was kind of wanting to prove his grades and the exams better.

Nezu was believe to be born to lose. He was repeatedly ruined forever when he try the best he can to go to a university. Nezu was never special to his teens since he was a child. But, Nezu and his nephew, Kina never have good terms. He became very drunk and blind since Tsuna and his class attend Namimori Middle.

During his first confrontation with Tsuna, he felt that he was not special than anyone at school.

TRIVIA: Despite he and Tsuna are the same ones that were losers, Nezu didn't care much of his cowardice.

Shinjo Mochida:

The controlled father of Kensuke Mochida, along with his older brother, Kateo, and his younger brother, Kenichi. He was violent, cruel, and brutal man who typically pushed his boys to succeed in kendo, mercillessly. He was shown to own the kendo club at Namimori High.

Byakuran Gesso:

Former head of the Gesso family and the Millefiore. In a alternate future, before recruiting the Funeral Wreaths, Byakuran was once a normal college student who's father try to disown him because he's no longer used to his family. He had hated his father for what he's were doing. Byakuran then join a mysterious leader behind the Millefiore family and also forced Byakuran to used the Mare rings and wanted to arise the Millefiore family once and for all. His original goal was to obtain the Tri-Ni-Set by gathering the Vongola ring, the Mare rings, and the Arcobaleno Pacifers, as a way to create a new world without his father with him.

It was simple at the start of the series, Byakuran and the Millefiore had failed to achieve Tri-Ni-Set, at the hands of Tsuna along with his friends, the Vongola Famiglia, and the Varia. As he decinerates to flames, Byakuran recalled his past and his encounter wit.

He thoughts to himself closing his eyes and smile one last time as he "lose" until his body fades.

Tetsuya Kasakabe:

a second-in-command of the Diciplinary committee, he was somewhat loyal to Kyoya Hibari.

Kawahira/ Checker Face:

A mysterious man who is the overarching antagonist of both the manga and anime of Reborn!

A customer of the ramen shop where the future I-Pin works. He's revealed to be Checker Face, a masked man responsible behind the curse on turning the Arcobeleno generations into babies and for all the Vindice's bodies.

Some point after his escaped with the Mafia during a final battle with Tsuna against that Kawahira returned in the second series, Katekyo Hitman Unborn, to cause trouble with the Mafia. He had been secretly have a connection to the Psychosis.

Sometime later in Katekyo Hitman Unborn!, Kawahira would continue to retrieve the Tri-Ni-Set and work for the Milliefiore now called Neo Millefiore. He also had a sister who was ill and she was transferred to her ''other" self name Ram in the Other world. But, Kawahira is still stranded in the "Otherworld" when he confronted Tsuna about the truth about the tri-in-set. Since he's still in "Otherworld", Kawahira continued his plan to use the Tri-ni-set.

Ram: Kawahira's ill sister who helps her brother search and eliminate all flamed users so that they would have absolute power.

Personality

Kawahira was aggressive and sadistic to does who opposed him (including other mafia crime families). He was obssessed of finding secrets about the Tri-Ni-Set and he would use it to have the "power" he sought.

TRIVIA:

He is much similar to Reverse Flash in the DC comics universe:

They both are obsessed of the "ultimate power" they sought to use to take over the world.

Kyoya Hotoru:

The father of the delinquent and Vongola guardian of the cloud, Kyoya Hibari, who raised his son to be arrogant just like him.

Prior to the start of the series, Hotoru and his family were never shown in the first series, Katekyo Hitman Reborn!. But, he was a failed businessman who used to work at a company called Namimori Corp. He and his son, Hibari had no good terms. Hotoru would lash out to his son and forced him to become ruthless than other good man would be.

As that, Hotori would always had been disciplining his son and he didn't care much about him or his own wife. He would rather forced Hibari to prove the people to "bite them to death" (As It'll become Hibari's catchphrase for years when he attacks others).