ウルトラマンギンガ
is the main antagonist in "Ultraman Ginga" and the final villain in "Ultraman Ginga S". Hailed from the future, he and Ultraman Ginga were originally a single celestial entity. However, their contradicting ideas and point of view towards life forms (Lugiel sees them as threats while Ginga sees them as part of the universe) had made them split, with Lugiel bearing the darkness and Ginga bearing the light. Dark Lugiel orchestrated the Dark Spark Wars, with Ginga arrived late to stop Lugiel as he had successfully frozen the Ultras Heroes and the Ultra Monsters into Spark Doll and the fight between the two ended in a tie, causing Ginga to be imprisoned in Spark Doll and Lugiel weakened. His main weapon, the allows him to turn any being into Spark Doll or corrupt one. Following the tie of his battle, he was imprisoned in the Dark Spark and falls to the mount of Furuhoshi. He possessed Kyōko Shirai to absorb her and her former students' darkness in order to revive himself. By collecting fallen Spark Dolls on the mountain, he utilized several of them as his minions to distribute the Dark Dummy Sparks to corrupted individuals, allowing him to feed their darkness and revive himself. He reveals himself in the final episode of the series, destroying the school area and easily overpowering Ginga before he faced against Taro, who would later revive Ginga's strength. Their heated battle was further brought to the moon where he met his demise, thus lifting the curse he placed on the Spark Dolls.