Joker

is a Third Generation pyrokinetic and a self-proclaimed anti-hero. Being abandoned as a child, he was raised and excelled in the assassin group Holy Sol's Shadow, under the moniker of Five-Two. Later experiencing an Adolla Link and losing his left eye in the process, he gains a desire in discovering the truth of the world by any means necessary.

Appearance
Joker is a tall man with long, black, stringy hair that falls below his neck, and a concentric circle-shaped iris in his right gray eye (purple in the anime). Joker's typical outfit resembles that of a cowboy. It consists of a black top-hat, a patterned black bandanna across the left side of his face that covers his left eye, an old-fashioned shirt with a black waistcoat (burgundy red in the anime), as well as alternating white and black trousers and shoes. He is commonly seen smoking a cigarette, and usually carries a menacing grin on his face.

Later on, Joker is seen wearing dark jumper with two hearts on the left side of his chest. He has also donned a dark overcoat and a lightly coloured scarf. Beneath his overcoat, Joker wears black trousers, a white, x-shaped belt resembling a sword girdle, a white shirt with sewn stitches across the arms and a black waistcoat with similar stitch marks. While wearing his outfit, Joker also ties his hair back.

Personality
Joker is a mischievous man who works behind the scenes to accomplish his goals. He values the pursuit of truth above all else, believing that truth is only valuable form of justice and that he should abandon all restraints to find it. Even as a child, Joker was deeply curious about the world and wanted to commit himself to learning the answers to his questions, believing the Sun God would guide him. Once he found himself cut off from humanity, he abandoned this faith and came to see the world as a terrible place. After deciding this, he became more cynical and relaxed as a result. Although he also shows that he is capable of gleeful violence against those he hates.

Shown to be very sneaky and intelligent, he always tries to play the cards his own way, going as far as involving innocent people in his schemes. Joker will be manipulative to get what he wants. Using other people's interests as a way of unknowingly leading them to where he wants. Most notably when it comes to Shinra Kusakabe, during their conversations Joker seemingly  speaks with sincerity especially when discussing the fate of Shinra's mother. In some respects, Joker is lackadaisical and can get caught up in the moment. Dragging out battles to the point where he either forgets his original goal or is against worse odds. Joker will even sing or whistle to himself in the middle of a fight. He is considerably a sadistic individual who enjoys hurting people and toying with their emotions. He's also willing to offer information to his opponents, in exchange for entertainment. He is charismatic and knows how to sway people to join his cause. Joker also has high expectations for Shinra and wants him to become a "Devil" to uncover the truth of his past, hidden by the Special Fire Force.

Abilities
Joker is skilled in hand-to-hand combat, as demonstrated by effortlessly dodging most of Shinra's fiery kicks with ease, as well as keeping the boy on his toes the entire time they fought. In his youth, he also displayed skill with a knife, being able to quickly overpower larger opponents with ease. These combat skills are enhanced by his strength, as Joker is able to knock a trained combatant to the ground with a single punch and was able to use his tongue to push himself up from the ground. Joker is also fast, capable of catching up to an ability accelerated Shinra and trading blows with Shō Kusakabe, before escaping without issue. He also shows sharp observational skills as, In the midst of battle, Joker was able to notice movement as simple as change in trajectory Joker can be proven crafty on many occasions to get the things he wants out of the incidents and fights he causes.

Ignition Ability
Joker has adapted to Spontaneous Human Combustion and become a Third Generation pryokinetic, granting him the ability to create and manipulate flames. Igniting his cigarette with his finger, he can create various shapes in the form of letters, suit of cards or card-shaped projectiles that can cut an inflammable coat. He is also capable of using his Ignition ability with a deck of cards, allowing Joker to parry a sword swigs and block attacks and quickly cut through human bodies.

Weapons
Twined with his Ignition ability, Joker is able to use an explosive powder crafted from Infernal ashes. This powder can instantaneously cause explosions or burst things into flames at command, as an offensive maneuver or for a trap. Joker uses a carton of cigarettes to ensure he always has a flame to control, Licht created a special type of cigarette out of leaves that have hallucinogenic properties when burned. This special brand causes his foe's to see multiple images of Joker and leaves them open to attack.

Background
Born in Tokyo, Joker was abandoned by his parents. At a young age, he eventually became a part of the Holy Sol's Shadow, possessing only a worn-out watch that connected him to his former life. There, he was called Five-Two, and trained in combat alongside others. Standing out amongst his peers, he drew the attention of his captain, who abused Five-Two for his supposed pride. This abuse involved public as well as private beatings, even going as far as burning Five-Two's watch.

Even as a child, Joker expressed a desire to understand the world and was always curious about the truth behind what was going on instead of the false answers he was given. Five-Two would later work with Leonard Burns, acting as a liaison between the Temple's secret and public organizations, but Burns would also look after him in the process. At one point in time, the pair hunted Infernals that spawned within the Amaterasu and upon finding the last one, Five-Two recklessly dashed to attack it despite Burns noticing something strange and warning him against it. The creature screamed belligerently and forced the pair into an Adolla Link, an experience that caused both men to lose an eye. During the Link, Burns and Five-Two were transported to the Adolla realm and were bestowed upon by the Evangelist. Returning to reality, Burns quickly kills the Infernal, whilst Five-Two finds himself holding a piece of ignited stone, an object he was able to retrieve from Adolla, proving they were transported to another world and it was not an illusion. Burns would later store this stone in a bottle and begin investigating the Adolla using his position within Company 1.

In Year 184, Five-Two managed to escape the organisation at the age of 16 while they were attempting to locate and kill the abducted Shō Kusakabe. Later, found sleeping on the streets, he was taken in by a family, leading to him wanting to repay them for their generosity. Returning home one day, he found his new family murdered, something that was enacted by the Holy Sol's Shadow to ensure he could not connect with humanity. Wanting to unravel the truth the Tokyo empire was hiding, he became known as Joker and approached Viktor Licht for his support. The pair eventually began working together to uncover the answers they were both so eager to find out.

Introduction arc
After the Special Fire Force Company 8 finishes their assignment, Joker uses a powder-like substance he received earlier from Victor to force the building's ceiling that the 8th were in to collapse, but the brigade, fortunately, manages to escape unscathed. Joker later intrudes on the Rookie Fire Soldier Games, where he assaults two members of an unspecified brigade in the building. He gets spotted by Shinra, which leads him to taunt the boy about his past and truth behind his family's death. When the man threatens to kill the innocent bystanders, Shinra attacks him with a barrage of kicks, but Joker manages to dodge them all with relative ease.

Soon after, he then reaches into his pocket to reveal the same powdery-substance as before, and unknowingly to Shinra, uses it to cause an explosion which he is blown back by, which Joker uses as a diversion to head in for an attack. The man throws card-shaped projectiles, injuring Shinra. Without giving Shinra moment to react, he closes in on him and elbows him in the chin. As Shinra is on one knee unable to stand, Joker steps up to him, wondering whether he should kill Shinra. Shinra puts on a sadistic smile, realising his death may be upon him.

Taking notice of this unusual expression, Joker is impressed with how he is able to smile under such circumstances, leading him to reveal to Shinra as a reward that Shō is still alive. Joker informs Shinra that the Special Fire Brigades are potentially hiding something from him, however, Shinra attacks him, but does not manage to connect a single kick. When Tamaki Kotatsu and Arthur Boyle show up, Joker attempts to get rid of the two, but to no avail. He then uses an explosion as a diversion and flees, encouraging Shinra to show his dedication to becoming a hero by saving everyone and offering him the chance to join his cause instead of the Special Fire Force. The next day, Joker becomes a wanted criminal and discusses the events of the tournament and the 8th Special Fire Brigade with his associate.

Preacher Pursuit arc
Joker later appears on a rooftop, listening to the conference of the Captains via a device with Licht. After the conference when the Companies disperse, Joker surprises Shinra by greeting him in the middle of an alley while he was alone, insisting that instead of fighting, he'd like to reveal some information to him as a reward for coming so far. Joker knows everything Shinra has been through recently and correctly guesses that he has began to realise the truth. Whating to push him in the right direction and confirm his theory, Joker speaks about Shō Kusakabe, exposing his alliance with the Evangelist. He swiftly leaves before a shocked Shinra can question him about it.

Vulcan's Workshop arc
With the battle going poorly, Viktor saves Hibana, Vulcan, Yū and his fellow officers by driving away from Vulcan's Workshop to escape the White Clad. Joker intercepts Shō attack on them using his card, saying the hero has appeared to save the day. Dodging Shō's katana at blinding speeds and holding him at bay, Joker notices Victor's group had escaped. With no reason to stay, he flees the scene. Afterwards in a forest, he comments that Shō is a monster. Meeting with Victor, Joker concludes that even if Company 8 is able to locate the White Clad base, they simply aren't strong enough to defeat them. Speculating on Shō's abilities, Joker concludes that he has established a connection with the Evangelist. When Viktor asks him what they need to do, Joker says that Shinra must become more powerful, and hopes Viktor will be able to help Shinra grow to match Shō.

Fifth Pillar arc
As Viktor prepares to depart to the Chinese Peninsula to investigate the Adolla Burst for the Fire Force, Joker expressiveness his disappointment that he cannot travel there, while Victor jokes that he should just join the force.

VS. Holy Sol Temple arc
After Viktor returns to Tokyo, Joker approaches Benimaru Shinmon to tell him dangerous information involving The Holy Sol Temple. Questioned about his identity, Joker says he's the anti-hero. Though Joker comes across as suspicious, he intrigues Benimaru enough to follow him. As the pair observe the The Holy Sol Temple – Holy See from a rooftop, he tells Benimaru he wants to uncover the truth the empire is hiding. Setting his eyes on the true sacred scriptures that contain the empire's history, Joker follows Benimaru as he arrives though the compounds front entrance. Defeating the church's elites, Joker looks on as Benimaru is subdued by a member of the church via poison. Benimaru quickly recovers and the pair make their way into the Temple, only to find it empty.

Joker quickly finds a staircase leading into the Netherworld and leads an unease Benimaru into the darkness. Refusing to speak about his knowledge, Joker revealed he used work 'behind the scenes' for the Church and that all will become clear if they uncover the church's secrets. The pair encounter the Shadow of the Holy Sun in the darkness and Joker tells his former captain who he is. Deciding to handle the captain while Benimaru handles the rest, the two begin fighting using their Ignition Abilities. Brought to his knees by the captain's sword, Joker manages to punch him in his face before proclaiming this is a fight to the death and boosting he will kill the captain with 52 cards. Joker manages to keep the captain at bay through his cards, but he is seemingly overwhelmed by his blade and knowledge of Joker's abilities. Believing his follower student nothing to fight with, the captain prepares his killing blow. Only to be confronted by mirages of Joker caused by his smoke. During his opponents confusion, Joker joyfully slices him to pieces as way to avenge himself from the humiliation and abuse that he's been through.

Calmly and with another trick up his sleeve, Joker then turns to conform his true enemy: Leonard Burns. After a short talk, the pair prepare to fight, until Benimaru interjects and reminds them he is still there. Instead, Burns remembers he was originally planning to aid Joker in the search of sacred scriptures by handing the criminal a old diary from the wife of Raffles I and revealing there are no hidden scriptures but Raffles began acting very differently after finding the Adolla. Examining the evidence and with Benimaru's recent experience, the three theorise that Raffles was replaced before founding the Sol Temple. As the secrets are hidden so deeply by 250 years of history, Burns believes that the Temple is unaware of its scandalous foundation, including Raffles III. With no leads left within the Holy Sol Temple and the destruction of the religion being too dangerous, Joker decides that they need to investigate Haijima to uncover details about the Evangalist while Burns covers up this attack. The next day Company 8 is informed of Benimaru's actions and Joker's involvement.

Trivia

 * His original code name, Five-Two, is a reference to how there is 52 cards in the standard playing card deck. This no coincidence as his ignition ability involves using a deck of cards. Ironically, Joker also uses a 53rd card, the Joker he shares a name with, as a secret weapon.
 * His watch was stopped at 3:32. In his youth, Joker believed that was the time he was abandoned.
 * It is unknown if Joker has a birth name before being given to the Holy Sol.