Weapons

sharp metallic fins, flipper smacks, ultrasound beam that either stops all biological activity, cause a hypnosis state, or acts like a laser

Film Appearance

Godzilla vs. Zigra (1971)

Origin

Zigra is a zigra from the planet zigra. He came to earth in a space ship with lots of advanced technology in hopes of colonizing it, because the zigras' world is polluted. After leveling Tokyo with a magnitude 18 earthquake, Godzilla comes and destroys his ship. With no way of getting back to home, he decides to conquer Earth alone.