The Zanon is a fictional alien spacecraft that appears in the 1980 film Gamera: Guardian of the Universe.
The alien race who pilots the ship arrives intending to enslave the citizens of Earth. The Spacewomen, Earth's initial line of defense fails to stop them, so they ask for a young boy with a telepathic connection to Gamera for help.
Gamera takes on the Zanon champions Gyaos, Zigra, Viras, Jiger, Guiron, and Barugaron. After finishing the gauntlet of enemies, Gamera sacrifices himself to destroy the Zanon, protecting Earth's citizens.