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The Joker

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Real Identity: Unknown
Appearances: Galaxy Jest, Best Day Ever, E. Nigma, Consulting Detective, and Watchtower Tours
Appearances (Webisodes): Missing the Mark and Clown Party
Powers/Skills: Planning and Engineering
Voiced By: Mark Hamill and Rachel Kimsey (Jackie)

The Joker is the Clown Prince of Crime, one of Batman's greatest enemies, and Gotham City's most notorious criminal. He often employs deadly weapons housed in innocent looking objects. The Joker plotted to make all of Gotham City break out into laughter with his Gutbuster bomb, an oversized clown doll that housed 50,000 tons of his Super Laughing Gas. He hid the Gutbuster in a clock tower, linked the timer to the tower's clock gears, and set it to blow at midnight. The Joker rode around his wagon taunting Batman that the clock was ticking. After crashing into some railing and nearly driving into the harbor, Joker squeezed out the window and declared finding parking was always a pain. Just as the Batmobile arrived, Joker was caught in a tractor beam and taken aboard Mongul's space crusier in space. Batman hailed the Justice League for assistance. While Superman and Wonder Woman went after the Joker, Batman and the Flash continued to search the city with less than an hour left. Joker discovered he was chosen to entertain an audience of warriors or he would die.

The Joker dispensed with his material but he didn't get any laughs. Mongul jumped down into the arena. Joker revealed he had a zinger and held out his hand to shake. Mongul was zapped with a joy buzzer. The warriors gasped then broke out into laughter. Mongul, however, was enraged and decided to throw Joker out of an airlock into space. Luckily, Superman was waiting. He blasted Mongul with heat vision and "secured" the Joker. Mongul returned and attacked Superman. Joker cheered on Superman but was disgusted with himself. Eventually, he slipped away and found the docking bay. He boarded Wonder Woman's spacecraft. As he tried to figure out the controls, Joker's face was lassoed by Wonder Woman. The Flash and Superman came to Batman's aid when the Gutbuster detonated. Superman inhaled the Super Laughing Gas and exhaled it into Mongul's cruiser. Wonder Woman threw the Joker into one of the Gotham City Police Department's wagons as he offered himself to entertain at the Justice League's next holiday party.

The Joker heard Lex Luthor was arrested because of a bomb and was returned to Stryker's Island Penitentiary. After being gifted a Mother Box from Desaad, Joker formed a plan to manipulate Luthor into revealing the location of the bomb. He would take Luthor out on the perfect day of festivities, lure as many heroes into coming after them as possible then trick Luthor into taking him to the bomb then detonate it, taking as many heroes with them. He boomed into Stryker's and immediately took a selfie with the Flash, who was doing prisoner checks, and took a jab at his speed then boomed elsewhere in the penitentiary. He sneaked up on a guard named Karen then blew a party favor. The favor emitted a gas that knocked her out. Luthor found his presence random. Joker encouraged him to kiss and pressed his lips to the glass. Luthor declined. Joker laughed and remarked he was still the same then signaled him to follow. Luthor pointed out he was in his cell.

Joker used his Mother Box to boom into the cell. Luthor was naturally intrigued. The Flash found Joker, prompting him to boom himself and Luthor out of the penitentiary. They found themselves in knee-deep water just off of Themyscira. Luthor remarked the Mother Box was a little off. Joker mused it did its job at least then activated his rubber ducky inflatable. Luthor was suspicious since they were only tenuous allies before, at best. Joker insisted it was because he sometimes worried Luthor wasn't happy. Luthor stormed off but was met by Wonder Woman's sword. He realized where they were. Joker mocked the island's no men policy and continued wading. Wonder Woman announced they were both under arrest. Joker threw a hand of exploding cards at her shield and activated Mother Box. They boomed onto a log flume at an amusement park. Next, they went to the North Pole and spray painted on the front doors of the Fortress of Solitude. 'Superman' was sprayed on then the 'man' was crossed out and replaced with 'nerd'.

Krypto the Superdog exited the Fortress and chased them away. He managed to bite off a piece from the rear of Joker's pants. They boomed into the Watchtower but Batman left Ace the Bathound behind as a precaution. Ace bit off the other side of Joker's pants. Joker and Luthor went to a casino next, where Joker held up a dealer with a Joker Fish. He pushed over all the chips but Zatanna teleported in and cast from her wand. Joker and Luthor boomed away in time. They drove a professional race car around a track during a race in progress. Cyborg flew after them from the rear but Joker threw out sticks of dynamite. Joker and Luthor went to an art museum next. Joker painted the character in "The Scream" into a clown but Green Arrow shot an arrow into his brush. They boomed away to avoid a net arrow. Joker went to a Big Belly Burger drive-thru and ordered two Belly Busters, heavy all, three Belly Tacos with lot's of jalapenos, and Double Belly Cheese Fries. Luthor only wanted hot tea. Joker inquired about which Wacky Meal toys were available. The worker revealed it was the space rocket or sunshine unicorn. Joker couldn't decide and asked for both.

Joker finished off his last burger in Cairo as he fired the Mother Box into the sky at Hawkman. Luthor couldn't meditate with all the noise. Joker opened the floor to suggestions for a more private place. Luthor obliged him and entered coordinates to one of his secret hideouts. Joker tricked him into admitting his Bomb of Ultimate Destruction was being kept there and pulled his Mother Box on him. Joker insisted he wasn't completely lying to Luthor the whole time and proclaimed it really was the best day ever. Joker set the countdown to five minutes and stated Mother Box calculated a 0.2% chance of survival. Luthor deduced he meant for the Justice Leaguers to follow them to the hideout and take as many out as he could. As he anticipated, the League arrived. Joker confined Batman's leg in confetti paper then alternated between booming and zapping the other Leaguers with Mother Box from Superman and Cyborg to Zatanna and Green Arrow.

Lex Luthor tried to assemble his war suit but Superman interfered. Luthor got off a chest laser on him but Wonder Woman struck him. Joker blasted Wonder Woman from behind then drop kicked Batman as he still tried to free himself. Luthor brought out a canister of Kryptonite, dropping Superman. Luthor asked Joker to keep the others busy while he took out the biggest threat. Joker declared it was now a party. Luthor bashed Joker in the head with the canister then turned off the bomb with a second to spare. Luthor put the Kryptonite away and surrendered it to Batman then handed Joker's Mother Box to Superman. The Joker was imprisoned at Stryker's Island Penitentiary and assigned to be Luthor's roommate. Karen wheeled him into the cell. Joker couldn't help but laugh.

The Joker kidnapped Batman and broadcasted himself all over Gotham. He stole Riddler's M.O. and asked how do you catch a unique crime fighter then answered you sneak up on him. He issued an ultimatum that he would release the hounds on Gotham's most dangerous game at dawn. Riddler was insulted and offered his detective services to Green Arrow and Wonder Woman. Riddler got out his phone with Joker's video ultimatum on pause and pointed out the hunting motif and stuffed vulture were the rules. Scavenge or hunt. Riddler then pointed out Joker also left his first clue in the video, the rebus. He explained it was a puzzle represented by two or more images. Wonder Woman saw the Sun, a man, a soldier, and golf. Riddler added Sol was the proper name of their sun, the man's dreadlocks indicate they pronounce it "mon", another word for a foot soldier was grunt, and the arrow pointed to the golf tee.

They went to Arkham Asylum and stopped at Solomon Grundy's room. Riddler found a club soda. He removed the pink umbrella and invited them to taste the drink. He pointed out the club and ice. Wonder Woman guessed Iceberg Club. Riddler hoped they could covertly break into the Iceberg Lounge but Penguin and his henchman surrounded them. A battle ensued. Riddler opened up Penguin's and Joker's next clue was pasted on the inside. Green Arrow remembered the pop art exhibit at the Gotham City Institute of Arts. Upon entering, Riddler found a piece of paper in the sole spotlight. It was a riddle asking when a traveler doesn't need a map. Riddler was not amused. He answered when he's already there and tossed the paper. Joker congratulated him and turned on the lights then called him the Benedict Arnold of brain boxes. Riddler retorted there was no honor among thieves and he was proof of it. Joker immobilized Green Arrow and Wonder Woman with streamers. She landed on a giant can that happened to be the pressure trigger that would slice Batman if she left.

Joker warned her justice was blind and that could get sloppy. Riddler stated the only thing sloppy was his terrible clues. Joker launched a bomb from a giant fork. Riddler batted it into a giant white piano then called Joker a talentless hack for stealing his gimmick. Joker was amused he was accusing the prince of thieves of stealing. He tasered Riddler with his joy buzzer then drop kicked him. Riddler and Joker continued fighting. Joker didn't believe he was reformed and stated he was crazy as a soup sandwich like him. Riddler sweeped Joker and demanded he yield. Joker complied but revealed he solved all but one of his riddles. Riddler looked at the paper in the giant typewriter. It was "what has four eyes but doesn't see?" Riddler already figured it out but it was part of a voice activated trigger. If he said the answer, it would trigger Justice's arm and it would kill Batman. Riddler tried to stay silent but he was compelled. Joker kept egging him on. He blurted out Mississippi and put his hands over his mouth.

Arrow cut his way loose and fired an arrow at the rope holding Batman and Wonder Woman caught him. Riddler was relieved but Joker swung the microphone in his face and ran - right into Green Arrow's boxing glove arrow. Arrow was surprised to learn Joker was just using Batman to get to Riddler and asked what he did. Riddler didn't know. Joker revealed it was all about the time Riddler stole his donut at Arkham. Arrow couldn't believe he did all that over a donut. Joker laughed and Batman hauled him away. Famous actor Mark Hamill hired a driver on his mobile app and requested Gotham Observatory but realized he was just kidnapped by the Joker. The Trickster entered afterwards. Joker pushed a button on the dashboard and Hamill's seatbelt wrapped around him. They were planning to hold him for ransom to the movie studios. After a police car started to pursue them, Hamill used his underappreciated voice acting skills to mimic Trickster and Joker. While they were busy bickering, they failed to notice Hamill tricked him into driving to a park where the Swamp Thing appeared and captured them.

The Joker battled Batman atop the clock tower in Gotham. Batman remarked his jokes were old and never funny then punched him. Joker retorted they were classics and teased him about brand management then tossed two exploding marbles. Joker tried to fly off with his jet pack but Batman already donned his rebreather mask and threw out a Batarang. The right thruster was taken out and he lost control. Joker crashed into a backyard birthday party and was mistaken for the clown hired to perform for the party. He didn't care for the mother's tone but the children all asked if he was telling jokes. Joker tied up and gagged everyone then told his jokes. Billy Batson returned to the party with the requested ice cream and tried to stop him in vain. Joker tied up and gagged him then threw him in a trunk. Joker attempted to saw him in half but Batson got free and spoke the word "Shazam." Shazam burst from the trunk and teased Joker for working as a birthday clown. Joker reached for his gun but Shazam decked him, tied him up, and forced him to help make balloon animals.

The Joker heard about Booster Gold's Justice League Watchtower Guided Celebrity Tour and Souvenir Emporium. He was legitimately interested in the tour. He got an idea from a Bugs Bunny cartoon to disguise himself a woman in order to go on the tour. Posing as a blonde woman named Jackie, he got onto the maiden tour along with Toyman and Granny Goodness. He took a selfie after Booster introduced the laundry room then at the hangar asked if Wonder Woman had a jet. Booster claimed an empty room contained her Invisible Jet. They all believed him and took photos. Booster took them to the kitchen next but accidentally triggered a lava pit simulation. Jackie lost a heel. Booster's suit's Automatic Emergency Space-Time Shift triggered and they were sent 35 minutes into the future in the monitor room. Jackie inspected a console then was scanned by internal defenses. A suspicious device was detected and a lockdown was initiated. Toyman made his move to destroy the Watchtower but 32 security drones arrived to destroy them.

After Granny outed herself, Joker revealed himself. Booster couldn't believe it and asked if he had some kind of poisonous gas. Joker admitted he really did come for the tour. In the chaos, Joker got a Mother Box from Toyman. He ran into Booster, put it in his hand, then patted his cheeks and ran away. Booster opened a Boom Tube to get rid of Toyman's robot, Teddy, and 31 drones followed after it. Booster locked the last drone out in the hall. They ran for it as more drones chased after them. Booster asked Joker for his phone. Joker knew what he wanted and told him Batman's number was in his favorites. Booster dialed but got voicemail. He got enough charge in his suit and teleported away. Toyman, Granny, and Joker sealed themselves in a room in vain. As the drones barged in, Joker clung to Granny in terror. They were saved by 32 Booster Golds. Even Joker was impressed. Booster explained the Boosters were all from alternate timelines then told Batman he claimed the tour was just a trap. On Joker's prompting, Booster told Batman Joker was completely innocent and believed he enjoyed the tour.