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Subtitle: Assassination Alien (暗殺宇宙人 Ansatu Uchūjin ).
Return of Ultraman Edit
His height is around 2～43 Meters tall and weighs around 0，25～20,000 Tons.
Disguised as an old man, Alien Nackle came to Earth to conquer it much like the other aliens in the series whom have attempted to do so as well. However, his tactic of conquest was rather different as he studied his opponent (Ultraman Jack) in battle to reveal what could be exploited as a weakness. Alien Nackle's first test on Jack was by reviving the monsters, Seagorath and Bemstar to do battle against the Ultra. Luckily, Ultraman Jack was more than a match for the two monsters combined and eventually they were both destroyed (this however is seen as Stock Footage from previous episodes.) Unknown to Ultraman Jack however, Alien Nackle's plan all went as accordingly as he now knew what he was up against.
Alien Nackle unleashed his bodyguard monster Black King to distract MAT, whom immediately attacked it but nothing phased the monster. Black King then released a white smokescreen that covered the entire area. With MAT blinded by the mist, Alien Nackle stole one of their vehicles and disppeared into the mist, Black King was gone as well. It turns out that Alien Nackle used Black King as a decoy for him to steal important information about Goh Hideki, the human form of Ultraman Jack. He also discovered that Goh had a loving weakness too, his girlfriend, Aki. Using the swiped vehicle, Nackle (still in disguise) tries kill Aki with their car by kidnapping her inside the car. One of Goh's friends, Ken Sakata, was in the area and tried to stop the car, but was run over and killed! Nackle's henchmen then held Aki out of the moving car, literally dragging her across the pavement, fatally wounding her. After hearing the news, Goh rushed to the hospital to reunite with Aki only to see her die in front of his eyes.
Black King suddenly resurfaced in the middle of a field and attacked MAT with a new breath weapon of energy bolts. An emotionally broken Goh transformed into Ultraman Jack to fight the monster, but Alien Nackle's plan had all worked out, Ultraman Jack's attacks proved useless against Black King as neither the Specium Ray, nor the Ultra-Bracelet did any harm to Black King's body. Finally Alien Nackle appeared in his true form and he joined Black King in his fight with Jack. The two tortured him mercilessly, with nothing that MAT could do to stop the evil duo. Finally after being beaten down by Nackle and Black King, Jack's strength was finally spent, and Nackle called two spacecrafts to lift Jack using two chains attached to his arms. As the aircrafts flew Jack away from the Earth as people watched, Nackle proclaimed his conquest for the Earth has now been completed now that Ultraman Jack is dead as Jack's body was taken out of Earth's atmosphere and into the darkness of outer space, as Nackle's prisoner. Alien Nackle then appeared before MAT, revealing his true self, and his intentions, as well as revealing a new weapon = a mind-controlling Satellite Dish.
Ultraman Jack was placed on Planet Nackle, attached to a cross, and unconscious. Suddenly, just as The Nackle Aliens were lifting Jack off the planet to prepare his execution, Ultraman and Ultraseven appeared! Teaming up to release Ultraman Jack from his restraints, the two Ultras destroyed the spacecrafts that held him, and revived Jack's power! The three Ultras landed on Nackle, and Jack gave a brave salute to them before taking off back to Earth as Goh. However, upon returning, Goh was seized by his comrades, who'd all been placed under Nackle's Mind-Control Dish. Goh managed to escape thanks to the help of one member who got away, and he quickly made his way to Black King and Alien Nackle for one final fight. Goh became Ultraman Jack again, and the rematch began with Nackle and Black King proving to still be too strong for him. During the fight, Jack managed to destroy the mind-control Dish with his Specium Ray, freeing MAT from Nackle's control. They soon appeared to give Jack support, but Black King and Nackle continued to beat on Jack. Realizing of the courage that was shown by Ultraman, Ultraseven, and MAT inspired him to not give up, and he fought back with much strength. Jack managed to kill Black King by decapitating him, leaving Nackle all alone and powerless. Jack then grabbed Alien Nackle, tossed him up into the air, and slammed him down onto his head. At death's door, Nackle then warned Jack that one of his weapons was still remaining and would destroy Japan and he laughed before dissolving away.
Ultraman Mebius & Ultra Brothers Edit
His height is around 52 Meters tall. He weighs around 37,000 Tons.
This Alien reappeared in the film Ultraman Mebius & Ultraman Brothers.
In this film, Alien Nackle has formed an alliance with fellow aliens: Alien Temperor, Alien Zarab, and Alien Guts in order to kill Ultraman Mebius and release U-Killersaurus and Yapool from the seaside of Kobe. Observing Mebius in action against Alien Temperor and Alien Zarab, Mebius was weakened, Leaving him wide open for Guts to defeat him. Moving on to phase 3 of their plan. Guts effortlessly managed to trap Mebius into a crystal crucifix, and Kobe was then surrounded by an isolation field, by which nothing could get in or out. The Ultra Bros. decided to transform one more time in order to save Mebius and the Earth, but as they appeared before Guts, Nackle soon appeared too and the two aliens and the Ultra Bros. got into and long and difficult brawl. Eventually the Ultra Bros. were able to temporarily stop Guts and Nackle, but as they released Mebius from his prison, they were trapped themselves by Guts and Nackle. Trapping the Ultras, they combined their powers to defeat Mebius with one blast of energy. They then called upon their spaceship to use the light energy of the captured Ultra Bros. to break the seal of U-Killersaurus. Shortly after, Mebius regained his strength, and battled both aliens by himself with little trouble. Guts was soon destroyed by Mebius's Mebium Beam, and the other Ultra Bros. were released from their trap. Now only Nackle remained, but it was too late, the plan was complete. U-Killersaurus and Yapool were released! Alien Nackle began to revel in his victory, but was coldly murdered by U-Killersaurus with a single energy blast. To Yapool, Nackle and the others were just pawns.
Ultra Galaxy Mega Monster Battle: Never Ending Odyssey Edit
This Alien reappeared in the series Ultra Galaxy Mega Monster Battle: Never Ending Odyssey.
In this series, Alien Nackle controlled the monster Galberos and was first seen fighting and killing an Alien Zelan and his Earthtron. Pleased by the abilities of his "pet," Alien Nackle located Rei and commanded his monster to create hypnotic illusions of Zetton to fight Rei and his Gomora. Using the hypnotic Zetton clones, Alien Nackle slowly wore out Rei and Gomora. Even after Rei transformed into Reimon and revitalized Gomora strength, whenever it seemed Zetton was destroyed, he kept "reviving." Once Reimon and Gomora were too worn out to fight, Alien Nackle stopped the illusions and sent Galbaros to finish the battle. Suddenly, Reimon erupted into Burst Mode, transforming Gomora into Reionic Burst Gomora. Galbaros was no match for Gomora’s new power and was vaporized by Gomora. Reimon turned his attention to Alien Nackle, ordering Gomora to kill him with the Super Oscillatory Ray, murdering the alien in a blind rage.
Mega Monster Battle: Ultra Galaxy Legend The Movie Edit
This Alien reappeared in the movie Mega Monster Battle: Ultra Galaxy Legend The Movie.
Alien Nackle is one of Ultraman Belial's 100 Monster Army. He was seen teaming up with Alien Balbalu, Alien Magma, and Dada to kill Rei while the Ultras and Rei's monsters fought Ultraman Belial's other monsters, but Rei transformed into Reimon and killed his attackers in short order.