Leonard Snart

"Pretty pathetic, if you ask me."

- Leonard Snart's past self to the Legends.

Leonard Snart (born June 2, 1972), nicknamed Captain Cold by Cisco Ramon (or simply Cold), is a world-class thief from Central City. He is also the older brother of Lisa Snart and the son of the late Lewis Snart.

In 2014 after the appearance of Barry Allen/The Flash, who started endangering his heists with his heroics, Leonard sought to eliminate him. Acquiring the cold gun he had frequent encounters with the Flash, along with his partner Mick Rory/Heat Wave. In 2015 Snart and Barry reached a truce where Barry would let Snart continue his heists, so long as he didn't kill anyone in the process and became an occasional ally of his.

In early 2016 Snart and Mick were recruited by Rip Hunter into the Legends, a time travelling team of superheroes dedicated to hunting down Vandal Savage and preventing his uprising in 2166. Being considered "supervillains" he and Mick were seen as outcasts. Though both initially joined to exploit the potentials of time travel Snart came to be genuine about the cause, and genuinely befriended the Legends. He also became close with Sara Lance and developed a romantic interest in her. However Snart's change of heart led to a falling out between him and Mick. Following Mick's betrayal of the team, allying with time pirates to save himself, Snart was forced to maroon him in time which indirectly led to him becoming Chronos. After talking sense into Mick they continued the Legends mission together. When the Legends were in danger of being killed by the Time Masters in the Vanishing Point, after learning they were in league with Savage, Snart sacrificed himself to save his friends.

In 2017 a younger version of Leonard from 2015, one who has yet to join the Legends, was pulled from the timeline by Eobard Thawne and recruited into the Legion of Doom to aid in their quest to retrieve the Spear of Destiny.

Early life
In 1975, Leonard woke up one night and went downstairs to get some water. He happened upon an older version of himself, under the pretense that he was a friend of his father's, who gave him advice to always look out for himself. His father appeared, causing him to return upstairs. Days later, his father was arrested for attempting to sell the Maximillian Emerald, causing him to be sent to jail for 5 years.

When his father was released, he began to take his anger out on Leonard. His sister, Lisa, was soon born and was equally abused. Lewis turned to crime, mostly breaking and entering, bringing his young son along so that he could help him to disable the security systems during the heists. Sometime later, Lewis was sent to prison. Leonard's grandfather took him and his sister to a diner right across from Central City Precinct named the Motorcar. Snart kept going there in his later life to listen to police radios and learn their response times. While Lewis did frequent sentences in and out of prison, Leonard mostly raised Lisa himself and thus shares an almost parental bond with her, despite their vastly different personalities. While in juvenile detention at the age of 14, Snart was jumped by several guys and almost stabbed with a shiv until Mick Rory intervened and defended the scrawny teenager, the two forming a close partnership. He dropped out of high school and eventually became a bank robber, putting together a crew. Every six months or so, he arrived in Central City to case a job for a few weeks, and disappeared after stealing his target. He became one of Central City's Most Wanted. He worked on a job with Rory, which ended badly for the latter. Snart ended the partnership between the two when Rory lost control of his pyromania while on a job, burning down the building they were inside of. Snart escaped without injury while Rory received severe burns.

Kahndaq Dynasty Diamond heist
In 2014, Snart and his crew attempted to hijack an armored car in order to steal the Kahndaq Dynasty Diamond it was carrying to an exhibition in the Central City Museum. They stopped the armored car by hooking it to the tow truck they brought to the robbery via steel cables. After taking the security guards as hostages, Snart opened the door of the armored car by using liquid nitrogen on it, just before the Flash arrived. The Flash quickly took down the robbers, making Snart lower his mask and expose his face. One of the security guards was shot in the shoulder by one of Snart's men, forcing the Flash to take him to a hospital as Snart and his crew escaped.

Back at their base of operations, Snart looked at the camera footage of the robbery he stole from the armored car as his men argued about what the Flash was, with one of them stating that maybe it was a top-secret drone. Snart explained that they attacked moving targets because the police response time was a hundred eighty two seconds once the armored car reported the robbery, as opposed to sixty seconds with banks. He berated his man who shot the security guard for "losing his cool" when the Flash had arrived. When the man said he was quitting, Snart killed him explaining that "when you're out, you're out." He claimed that the Flash was a man, and they needed to "up their game."

Snart later met with the arms dealer Basil Nurblin. Nurblin first offered Snart a fire-based weapon, but he refused, saying "he did not need to heat things up, but slow them down." Next, Snart looked at a weapon stolen from the S.T.A.R. Labs that emitted a cold substance and glasses meant to protect against the glare the weapon caused. Snart asked Nurblin who else knew he had taken the weapon, and when Nurblin answered they were the only two, Snart shot and killed him with his newly acquired weapon.

After obtaining his cold gun, Snart went to the Central City Museum to observe the security around the diamond he had tried to steal earlier. By taking the exhibit tour twice, he alerted the museum owner Dexter Myles, who contacted Detective Joe West, who followed Snart after he left the museum. When Joe caught up to him, Snart used the cold gun to freeze the road underneath a newly arriving police car and escaped into a nearby theater as the car crashed. Inside, Snart shot at Detective West, but the Flash got there in time to throw the detective out of the way, instead being hit by the weapon himself. Snart then started shooting at the nearby civilians as a test run, forcing the Flash to save them. The Flash saved all but one of the civilians; he was unable to get to the theater's security guard in time as he was slowed down by the cold gun. Snart left the scene when the Flash was distracted by the deceased security guard.

Returning to his base, Snart told his two remaining men that they would be back to the museum to steal the diamond that night. When his men protested, saying the museum would be crawling with the police and the Flash, Snart answered that his cold gun could stop the Flash and he knew the Flash's real weakness. His men mutinied and pulled a gun to his head. They left, saying that Central City was no longer Snart's playground now that the Flash was there. Disagreeing, Snart went to the museum by himself and broke in using the cold gun. He stole the diamond and made his way to the Central City Train Station, where he was engaged in a gunfight with Detectives West and Eddie Thawne. Snart escaped the two men by getting on a train, but this time he was challenged by the Flash, who had followed him using a signal the cold gun emitted. He told the Flash that he had seen his real weakness during the armored car robbery and at the theater. Explaining that he would save himself while the Flash saved everyone else, he shot the floor of the train with the cold gun and jumped from the train before it was derailed. The Flash got everyone out of the train but was ambushed by Snart, who shot him in the back with the cold gun. He thanked the Flash for forcing him to up his game, then was threatened by Cisco Ramon with what he claimed was a prototype of the cold gun but was actually just a vacuum cleaner with LED lights. When Ramon called him Captain Cold, he smiled and left, taking the diamond with him.

Leonard discovered and disabled the signal his gun emitted with which the Flash had tracked him. He met with his former accomplice Mick Rory and told him that even though their previous partnership had not worked out well, things had changed and he needed a new kind of crew. He offered Mick the fire weapon he had taken from Nurblin and asked if Mick wanted to join with him, which he accepted.

Forcing The Flash to reveal himself
Even with sources like Iris West's blog reporting multiple sightings of the Flash, the speedster was still somewhat considered an urban legend. Knowing the Flash would make his more or less criminal activity harder to pull off, Snart started scheming for ways to make the citizens of Central City and the world aware of the Flash's existence. He first broke into a facility that held expensive foreign cars, with Rory initially under the false pretense that they were there to steal the vehicles. They left without stealing after it became clear that the Flash wasn't going to show up.

The duo's second attempt to lure the Flash was robbing the modern painting Fire & Ice, recently bought by Osgood and Rachel Rathaway at the cost of twenty-five million dollars. The CCPD showed up quickly, and with Cisco Ramon and Harrison Wells modifying their shields, they held off the effects of the Cold Gun; they, however, were not prepared for Rory's attack. Seeing that the Flash was still a no-show, Snart and Rory left the crime scene along with the art piece.

Snart finally got the Flash's attention when he and Rory kidnapped one of the speedster's partners: Caitlin Snow. She was rescued by Cisco and Joe West while the Flash confronted Captain Cold and Heatwave. With the help of Eddie Thawne, the Flash defeated the duo by tricking them into crossing the streams of their respective weapons, which cancelled both guns out and knocked the two backwards. The two were then sent to jail but were rescued by Snart's sister, Lisa, which was part of Leonard's plan. She was his fail safe.

Running the town
Three months later, Leonard and Mick returned to Central City with Lisa. The pair was captured by mafia boss Vincent Santini but escaped and killed the boss' bodyguards. Snart told Santini that he was the one in charge before leaving. He later got his sister to lure Cisco to their base. Revealing that they had captured Cisco's brother, Dante Ramon, Snart forced Cisco to remake his and Rory's guns and make a third one for his sister. Later, he and Lisa attacked a casino and encountered the Flash, Leonard's primary objective. Snart convinced the Flash to back off by telling him that he had Cisco captive. Back at the hideout, Leonard made Cisco reveal the Flash's identity by threatening Dante's life. He re-encountered the Flash after an attempted heist and threatened to reveal his identity to Central City. Barry, however, convinced Snart to keep the identity a secret (and stop killing innocent people) while agreeing not to place Snart in the particle accelerator prison in S.T.A.R. Labs.

Moving the Metas
After knowing that the meta-humans would die because of the particle accelerator that Eobard Thawne reactivated, Barry contacted Leonard to meet at Saints and Sinners and made a deal with him; If Leonard agreed to help him, Barry had to destroy every single piece of information in the world concerning him erased. Leonard also got his sister Lisa to help out with the job. When Team Flash and Leonard & Lisa got to Coast City airfield, Leonard double crossed the deal by getting Mark Mardon/Weather Wizard to destroy the plane that would transport them to Lian Yu, then getting all the meta-humans to try to destroy the Flash. When Jake Simmons/Deathbolt was about to kill the Flash, Leonard used his cold gun to kill Jake, claiming he owed him money. Leonard let Mark and Roy Bivolo/Rainbow Raider go and told the Flash that the meta-humans and he now owed him, by joining his "Rogues" and then road off with Lisa on their motorcycle.

Family Reunion
During a robbery, Leonard was kidnapped by his father while his sister was injected with a specially designed thermite micro-bomb. When the Flash came to rescue him, Leonard told him he doesn't need saving. As the Flash asked him why his sister thinks he's been kidnapped, he was distracted by a cabinet closing in the back. Snart took the opportunity to shoot the Flash with his cold gun as his father intruded. The Flash managed to thaw out, but not before the two left the scene. Later, Leonard was approached by Barry, who offered help again. Barry said that Leonard may be a criminal with a code of honor, but his father doesn't seem to live under a code. He added that he would take Leonard down, and Leonard reminded Barry that he could reveal his secret. While planning for a heist, Leonard argued that Lewis's timing may be off. When David Rutenberg told Leonard to shut up, Lewis killed David brutally. Barry then came up with a plan to infiltrate the team by acting as their new tech guy, "Sam" and Leonard vouched for him. When they arrived at the crime scene, Leonard realized he was right about his father's timing being off. The two briefly argued while the Flash subdued the guards. After "Sam" cracked the security code, Lewis shot Barry, and Leonard showed remorse. Unbeknown to the two, Barry caught the bullet, but simply played dead. When they arrived at the vault, Leonard froze the lasers. Leonard told his father they only had 125 seconds before the alarms would go off. When the two left, the Flash confronted them. Lewis ordered Leonard to shoot him, but he hesitated. After the Flash said that Lisa was safe, Leonard immediately shot and killed his father. Leonard was then arrested taken into Iron Heights. Barry visited him and said that although he may be a criminal, he still has a light in him.

Get Out Jail Free Card
One month later, Snart was freed when Mark Mardon broke into jail, along with James Jesse, and proposed an alliance between the three to kill the Flash once and for all. However, Snart was uninterested in Mardon's plan and declined. Later, he went to the West house and warned Barry of Mardon and Jesse's plot, but declined to share any more information and left.

Aiding Rip Hunter
In January of 2016, Snart and his partner Mick Rory conducted a heist on Central City Bullion Exchange and were making their escape in a mini-van when they were intercepted by Rip Hunter, who took them to Star City alongside several other heroes. He finally accepts to join Rip Hunter's team with Mick, to kill Vandal Savage and avenge Carter Hall's death.

Team with Heroes
He fights and helps his team on several occasions : against Valentina Vostok and Savage in URSS, stopping Sara to kill Martin if the rescue mission fails, saving Mick and Ray from Koshmar. During the mission in Star City 2046, he understands that Mick becomes out of control and is forced to knock him before they return to the Waverider. Mick prevents him if he hits him again he will kill Snart.

Choosing his side
When Time Pirates capture Eve Baxter and Waverider's crew, Mick betrays the team and join them, Time Pirates's leader promising that him and his friend will return inCentral City 2016. Snart is shocked by Mick's treason, he sides with Rip Hunter's team and defeats Time Pirates. Snart is volunteer to take care of Mick's fate, he takes him in an unknown place and presumably kill him, in reality he spared him, knocking him.

Later, Snart is captured by Chronos, the temporal bounty hunter of Time Masters who is revealed to be Mick. Snart said him that he always provided to search him but Mick risponds that Time Masters found him, brought in the Vanishing Point and during more lives they trained him. Mick's goal is to kill his former comrades then killing Lisa Snart to do suffering his former partner. At the moment where Chronos is defeated, Snart arrives and stops the Legends to kill him revealing his true identity.

Refinding his partner and Protecting the Team
Sara suggests to Snart to settles scores with Mick. After the mission against Per Degaton, the child who will allow to Savage becoming the dictator in 2166, Mick and Snart fight. Mick wins but said to his partner he is already dead as the rest of the team because, he failed to kill them, then Time Masters sends the Hunters to finish the job.

In the Far West, Snart kills Billy Conlon, a member of Jeb Stillwater's Gang, to save Martin. After Jeb Stillwater's death by Rip, Snart joins the fight against the Hunters, and they are all killed. But Mick learns of one of Hunters that Time Masters launched the Omega Protocol : The Pilgrim. She chases the young versions of the team but she is finally killed by Snart, Rip Hunter's team and the young Rip Hunter.

In 2166, Snart fights with the Team against Savage and his giant robot the Leviathan. He meets Savage's daughter, Cassandra and convince him that his father is the real villain with Gideon's help, then she joins them. During the fight, Ray destroys the Leviathan, Savage is defeated but not killed because Kendra discovers that he hypnotised Scythian Torvil (the reincarnation of Carter Hall), then she spares him for the moment to cure Carter. Before of leaving, Snart convinces the leader of the Rebellion to accept Cassandra to defeat Savage's army.

Get close of Sara Lance and Hiding from Time Masters
After the Leviathan's destruction and Savage's capture, Snart suggest to kill him but Rip prefers to bring back to Time Masters because he disrupts the Timeline many times. During the journey, Snart gets close with Sara since the beginning of the adventure. When he understands that there is a problem, he hides with Sara but Ray, Kendra, Martin and Mick are captured by Time Masters who are revealed to be Savage's accomplices from the beginning.

Destroying the Oculus
Once Snart and Sara freed the rest of the team from their holding cells in the Vanishing Point, Rip decides to go back so they can destroy the Oculus to make sure their actions won't be controlled meaning they would have a chance to stop Savage. Before the fight, Snart wonders if there is a future for him, for Sara and for us. Sara understands that Snart tries to steal her a kiss and said him that he makes progress. Palmer set it to self-destruct but found out it had a fail-safe meaning someone had to stay behind to make sure it blew up. Rory decided to stay behind and the rest of the team left towards the Waverider but Snart went towards Rory to knock him out so he could stay behind, sacrificing himself, Sara gives him a kiss of goodbye. The team's mission was successful, as the incoming explosion destroyed the Oculus device, along with many of the structures around it in the Vanishing Point killing Zaman Druce and Snart.

Legacy
Snart was fondly remembered by the rest of the Legends for his sacrifice, especially Mick Rory, who, during his goodbye visit to a 2013 version of Leonard, thanked him for always being a hero for his sake, despite the younger Leonard not quite knowing what he meant. Barry Allen also appeared worried for Snart, and was devastated when the Legends told him of Leonard's apparent demise. As Mick Rory continued drinking, while thinking about his new role on the Legends, Leonard appeared as a hallucination to Mick, trying to convince him to abandon the team and go back to the life of crime.

Captain Cold's Cold Gun was given by Mick to Ray Palmer, for his temporary role as "Colonel Cold" while his A.T.O.M. Exosuit was destroyed. Additionally, his images and voice were used by Barry Allen to create holograms that allowed to trap Snart's old adversary Mirror Master.

Return
1 year before going with the Legends on the time traveling mission, Snart was visited by Damien Darhk and Eobard Thawne and tells him about the future and his impending doom. After hearing about his demise and learning about the Spear of Destiny, Snart quickly joins them and journey with them to France in 1916 World War I. He makes an appearance to Mick to which Mick thought it was another hallucination and criticize him about him being the hero and telling him how soft he has become when he is on the team to which Mick has second thoughts about Leonard and the Legends. Snart and Damien ambush the Legends and ask them to hand over the spear or be killed to which Leonard continues to persuade Mick into taking the spear to him and Damien and joins the Legion. Snart sets a bomb to end the war and Eobard Thawne sped and pick up Snart, Damien and Rory and race away.

Possible future
In a possible future, Leonard can be seen fighting alongside the Flash, Ray Palmer/The Atom, and Sara Lance against an unknown metallic adversary. Barry caught a glimpse of this when traveling through the Speed Force.

Personality
Leonard is a ruthless man who has a calm, composed and level-headed demeanor, rarely ever losing his temper or giving into emotions. Although he never finished high school, he is intelligent and patient, staking out a job for months before making his move, emphasizing timing, precision, and minimizing possible leads on him and his activities by refusing to kill unless necessary. He was also clever enough to deduce that what stopped his job at the armored car was in fact a man, and that he would need a weapon to halt Barry, choosing the Cold Gun for this very reason. Leonard has, however, begun to revel in his new-found weapon's power, and his battles with the Flash have begun to alter his perceptions of how the job works, transforming from an armed robber into a "supervillain" that would directly challenge the Flash. The change in his demeanor is astounding, as Leonard can be seen acting much more ruthless before meeting the Flash: he killed the man who supplied him the Cold Gun for the sake of convenience, and before that tried to kill Sam Scudder and Rosa Dillon for going against his orders as a crime boss.

Despite his unapologetic criminal lifestyle, Leonard sees and declares himself as a man of his word. This is demonstrated further, when he promises to release Cisco if he tells him who the Flash is. Although he does torture Dante to get this information from him, he keeps his word afterwards and lets both Cisco and his brother go. However he doesn't always keep his word when he betrays his alliance with Barry by setting the meta humans free. Leonard simply defends his actions by claiming that he is a criminal that saw an opportunity and used it for his own benefit because that's who he is.

Regardless of Leonard's ruthless nature, one of the only things he does care about is his younger sister Lisa, who he has a close relationship with her, despite her immaturity. He severely despises his father Lewis, for what he did to him and his sister; for physically abusing them as children for no apparent reason, he became disgusted when Lewis planted a bomb inside Lisa's head in order to manipulate him into helping him with one of his heists, however, after Barry told him that the bomb was removed from Lisa, without hesitation he killed his father for what he did to his sister. He is also quite prideful, Barry claimed if Snart was planted with a miniature bomb inside of his head, he'd dig it out if he had to. A similar case happened in "Left Behind", as while Snart was handcuffed to a wall, he managed to reach his Cold Gun, and when he could not use it while he was restrained, he used his feet to fire the gun and intentionally turn his hand to ice and then proceeded to shatter it against the ground, despite the great pain of it. He still walked out without much grief over his injuries, focusing on escaping and the task of stopping the team from killing Chronos, who was actually Mick Rory.

Despite being enemies most of the time, Leonard and Barry seem to possess a mutual respect for each other; although he betrayed him, Leonard saved Barry from certain death at the hands of Jake Simmons. A few months afterwards, his liking of Barry increased to the point he felt genuine remorse after his father shot him. Barry also visited Leonard upon the latter's arrest. Leonard even refused to go along with Mark Mardon and James Jesse's plan to kill Barry and instead warned him of what they were up to before departing. Leonard deeply cares about his sister, going as far as working with a man he slightly hates (due to his more moral and honorable ways) in order to keep her safe. All of these qualities have led Barry to believe Leonard has good inside of him and that he'll eventually change his ways (although Leonard jokingly remarks that heroes don't get paid enough). Another instance is when Snart is broken out of prison, instead of going after Barry to kill him, he warns him. When Barry asks where the other two (Mark and Jesse) are, Snart says "Barry and his friends love to solve a good mystery" and goes to leave. Barry snorts at this and tells Snart that he's there because he (Barry and co) saved Lisa and Snart doesn't like owing him one and that's called honor. Snart is quiet for a brief moment before wishing Barry and Iris merry Christmas and leaves.

Leonard also possesses a code of honor when it comes to his teammates, shown when he becomes a full-fledged member of Rip Hunter's team after Carter Hall is murdered by Vandal Savage. When he deduces that Hunter wants Sara Lance to kill Martin Stein in order to prevent the devastation of the Cold War in the present time if Stein breaks and agrees to help the Soviets create their own Firestorm, Leonard is against the idea as he doesn't believe in turning on his own team members and manages to talk Sara out of shooting Stein, showing a profound understanding of her nature and drives and expertly employing reverse psychology. Proving himself not a hypocrite, Leonard also refused to kill Jax when he was mutated by Savage into a feral bird-creature, allowing his team to ultimately cure Jax. When he threatened Sara Lance at gunpoint, trying to force her to escape the Vanishing Point on the timeship while abandoning the rest of the team, she stood her ground without fear, knowing that for all his threats, Snart was no longer the cold-blood murderer, but a hero, who'd never kill his teammates. That proved to be true after Snart admitted his bluff and helped Sara with the rescue of their team members captured by the Time Masters. During the rescue they encountered Mick Rory, seemingly brainwashed into being Chronos once again. Snart refused to attack his friend, which was recognized by Rory, who turned on the Time Masers instead.

Leonard is incredibly charismatic, maintaining the image of a "lovable rogue", using his charms to get important information, obfuscate his thievery or convince people of his trustworthiness. This way, he gained the trust of Valentina Vostok and Cassandra Savage. Leonard himself was interested in Sara Lance, flirting with her on occasion, drinking and playing cards with her and even apologizing for being "a jerk". However, Sara declined his advances with a smile on her face, saying that he'd need to be a master thief to steal a kiss from her. Despite this, Sara and Leonard kissed at the Vanishing Point, when Leonard decided to sacrifice his life to destroy the Oculus device in Mick Rory's and Ray Palmer's stead.

Being prone to controlling or playing others, Leonard absolutely detests the idea of being controlled or manipulated by anyone or anything. He values his free will and the ability to make his own choices and will do anything to hold on to that freedom. This is a trait that is so dominating in his personality that he destroyed the Oculus in the Vanishing Point not just out of compassion for his teammates, but because he wanted to make sure that no one else would be manipulated by the "Time Bastards" as he referred to them.

Abilities

 * High-level intellect/Expert tactician: Leonard's most noticeable and dangerous trait is high intellect, making him a threat even to metahumans like the Flash. Very calculating and methodical in every action he takes, Leonard is infamous for analyzing and preparing for events well in advance. He is able to plan for every plausible detail several steps ahead and even when new variables come into play, he can calmly change tactics to escape unscathed. Likewise, he is highly adept in misdirections and subtle manipulations of his targets/enemies to suit his plans. Despite dropping out of high school, Leonard has repeatedly shown an advanced knowledge of various subjects, including biology and engineering, able to at least understand the nature to which they operate. Leonard is very charming (when he wants to be), able to seduce Valentina Vostok. He is also shown to be very persuasive, able to sway the immensely loyal lieutenant, Cassandra Savage, to turn on her father, Vandal Savage, and aid the resistance.
 * Eidetic memory: In his nature for preparation, Leonard has repeatedly displayed an unusually adept memory, being capable of memorizing the details of every job before mobilizing simply by analyzing the information. For more regular use, Leonard is able to memorize every last meticulous detail of the highly technologically advanced Cold Gun to personally perform regular maintenance and repairs without the need of instructions or schematics. He did this to have a better control and usage of his signature Cold Gun by learning all of its parts and inner workings after disassembling and reassembling his weapon.
 * Expert engineer: While not as skillful as Cisco Ramon or Ray Palmer, Leonard has adept skill in electrical engineering, obtaining this skill from growing up with his father, forced to regularly join and aid him in thefts. He is able to quickly understand a software setup and effectively deactivate it. Likewise, he was shown able to modify his Cold Gun for additional features.
 * Expert thief: Over the years of criminal experience, Leonard has mastered the art of thieving, from armored car heists, jewel theft and bank robbery, he displays the utmost skill.
 * Expert marksman/Firearms: While normally preferring to avoid killing when not necessary as to not sully his plans, Leonard is more than proficient with a gun. After making the cold gun his signature weapon, Leonard showed considerable aim and tactical usage of the gun, even against the Flash, able to hit his enemy, despite the former moving at superhuman speed. He is also proficient with regular weapons, such as the handgun he used before using his Cold Gun and the revolver he used in the Old West, as he could outdraw seasoned gunman who were used to using such weapons. He was shown to also be a skilled sharpshooter and sniper, as he used a rifle to shoot a gun from a man's hand from a window several buildings away.
 * Expert hand-to-hand combatant: Despite his composed demeanor, Leonard is a very capable unarmed fighter. When seemingly taken captive by a mafia boss, he and Rory quickly broke free and killed the mafia boss and most of his men with ease while his hands were still bound. His abilities are somewhat inferior to Rory's, as during their brawl after Rory's betrayal, he quickly pummeled Leonard without taking much damage himself.
 * Indomitable will/High tolerance for pain: While selfish and ruthless by nature, Leonard is a man with great conviction in any action he takes. When handcuffed to the wall by "Chronos", with almost no hesitation Leonard used his Cold Gun as means to escape, freezing his right hand and shattering it to escape. After which, despite the immense pain, he quickly sought his allies.
 * Sixth sense: Leonard is able to sense incoming danger without relying on any of his natural five senses. Even while playing cards with Sara, he was able to sense danger incoming.

Equipment

 * Cold Gun: Generating a beam of absolute zero temperature, the weapon freezes whatever it touches and creating solid ice. It can also slow down the motion of fast moving molecules, specifically those of the Flash, retarding his accelerated healing and vastly reducing his speed. It also gives off bright white and blue flashes that the user protects their eyes from with goggles.
 * Goggles: Leonard also wears a pair of blue wraparound goggles, which are designed to protect his eyes from the flashes given off by his cold gun.

The Flash
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DC's Legends of Tomorrow
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Trivia

 * Although he's called Captain Cold by Cisco, he refers to himself as simply "Cold".
 * He is the first non-metahuman villain Barry has faced, in addition to being the first Flash villain to escape custody.
 * Leonard Snart has apparently watched Star Wars, as shown in Pilot, Part 1 of Legends of Tomorrow when he refers to Chronos as "Boba Fett".
 * In the episode "Fail-Safe" Leonard Snart says: "This isn't my first prison break" referring to his criminal past, but also to the series "Prison Break" where he plays the role of Michael Scofield, trying to break out his brother Lincoln Burrows, played by Dominic Purcell, who is Mick Rory/Heat Wave in Legends of Tomorrow.

Behind the scenes

 * In DC Comics, Leonard Snart, alias Captain Cold, is an enemy of the Flash, an "honorable thief", and the leader of Rogues, an often-changing team of criminals operating in Central City and Keystone City, united to oppose the Flash whenever he tried to stop their heists. His weapon of choice is a cold gun, able to fire a ray that slows things down on a molecular level, leading to intensive blasts of ice and cold that can stop anyone in their tracks (leading to Snart calling himself the "Master of Absolute Zero").
 * In the comics, Leonard is called "Len", a shortening for his full name.
 * On the show, Lisa Snart calls him "Lenny".
 * In "Blood Ties", Leonard was apparently nicknamed "Leo" as a child.
 * Wentworth Miller, the actor behind Captain Cold pitched Leonard as pansexual to the writers, stating that if Captain Cold met another superhero or villain with the right combination of smarts, and wit, and badassery, he'd be into them. Their sex or gender would be totally irrelevant.
 * Leonard wears a blue parka along with the Cold Gun's complementary goggles when taking on the Flash and derailing the train and when recruiting Mick, a reference to his costume in the DC comics. He continues to wear the outfit when in action after first seen in that getup.
 * Most of the Flash episodes in which Leonard Snart appears contain the word "Rogue". i.e. Going Rogue, Revenge of the Rogues, Rogue Time, Rogue Air, Family of Rogues. In DC Comics, Leonard is the founder and leader of the Rogues, a team of super criminals, united to be able to oppose the Flash.