A Mazda Cosmo used for patrolling purposes. : A pair of jeeps used for off-road purposes. : A submarine used for combat against underwater monsters. : A space station commandeered by Captain Kaji. After its destruction by Bemstar and Kaji's death, a new station was built and Katō was promoted as its new captain MAT Observation Station: An unnamed space station that the space monster Yadokarin used as a hermit shell. : A space station that Alien Nackle destroyed after Jack's death. : A radar base that appeared in episode 44. Ultra Brothers Prior to Ultraman Ace, the collective team of Ultra Warriors were only considered as residents of the Planet Ultra, until Alien Bat acknowledged the team when he announced his Ultra Annihilation Plan. The would eventually become prominent in most of the succeeding Ultra Series media, starting from Ultraman Ace. Ultraman (Ultraman Jack) Others : An unseen member of the Ultra Brothers that debuted in the final episode of Ultraman. He was mentioned by Alien Bat as one of his targets and according to the 2003 magazine, he was responsible for Jack's descent to Earth after acknowledging his skills. : See here : See here Antagonists Alien Nackle are a group of invaders aiming to defeat Jack and conquer the Earth. In human forms, they operated in lead by a director. After reviving Bemstar and Seagorath as test subjects, the Nackles stole Saturn Z bomb from MAT and murdered the older Sakato siblings, Ken and Aki, to diminish Go's spirit. Once Jack was killed and put to crucifixion on their home world, the Nackles disable MAT's aircraft and brainwashed them (saved for Yuriko) in their failed attempt to bust into the Research Institute. After being rescued by the original Ultraman and Seven, Jack decimated the invading fleets and engaged in the fight against the monster and alien pair. In his dying moments, the Nackle leader pridefully gloated over MAT's helplessness from stopping the Saturn Z bomb, despite them proving otherwise afterwards. and (37): A pair of deceased monster revived by Alien Nackle to test Jack's strength. Re-Seagorath was killed when Jack fired his Specium Ray at his horn, while Re-Bemstar was sliced by the Ultra Spark in the same way as its original self. : A monster from the same planet as the Nackles, it was used as a bait to divert MAT's attention while its alien masters