Richard O'Brien in The Rocky Horror Picture Show (1975)
Real easter eggs were hidden on the set. There is one under the throne.
Hidden references have existed for a long time in movies, but the name "Easter eggs" comes from The Rocky Horror Picture Show (1975). An egg hunt had been organized by the cast and crew on the set. But not all eggs have been found and some are visible in the movie.
Among this selection of famous visual Easter eggs, which one is your favorite?
You can browse the full size images using this link.
After picking your egg, you can hatch here.