Zigra is a deadly opponent whose appearance is similar to that of a Goblin Shark, possessing a silvery gray, armor-plated hide, a pointed nose, a row of sharp fins on his back, as well as sharp pectoral fins.
Zigra came from a planet where fish eat people.
Zigra invaded the Earth with the intention of enslaving the human race and raising them like cattle. Like Viras attempted three films earlier, Zigra held a pair of human children hostage in order to force the human race to conform to his plan, but Gamera engaged him in battle. Gamera eventually threw him on land, using a rock to play his theme song on Zigra's dorsal fins like a xylophone before setting the alien shark ablaze with his fire breath.
In Gamera: Super Monster, Zigra fought with Gamera again in one of the many stock footage scenes. When Gamera hits his back with the rock, his theme song is not played, and is instead replaced by a new, simple new tune.
Zigra's attacks are all based around his blades on his back, head and, fins. His great speed and agility allows him to easily dodge Gamera's attacks and out-maneuver him. But Zigra's weakness is that he is helpless outside of water. Zigra can also shoot a beam of light from the gem between his nose that paralyzes an opponent.
Zigra made an appearance in the Gamera comic series by Dark Horse Comics that was based on the Heisei Gamera series. In the story, Zigra was an escaped alien creature from outer space, who managed to find his way onto Earth. He'd eventually meet up and face Gamera, who made relatively short work of him. In this series, he was pretty much unchanged, except for the fact he was more of a wild animal, and was more aquatic-based.
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