Omicron (1963): “An alien takes over the body of an Earthman in order to learn about the planet so his race can take it over.”
Omnikron is a creature from Hanna Barbera's revamped, inter-connected property launch comic line, Future Quest.
Omicronians are large sentient aliens native to Omicron Persei 8, a planet located exactly 1,000 light years from Earth. From the TV show futurama
Omikron: The Nomad Soul was the name of a 1999 video game by Microsoft about demons pretending to be humans and harvesting their Souls
Omicron: Is the name of a global military psyops, in the B-Movie Comedy "Reality" (2021). Initially the movies producers called it "Xi", but had to change its name due to IP problems in China.
One more classic movie...
