Egon is a character from the 1984 movie Ghostbusters. He is a scientist and one of the four main protagonists in the film. He is portrayed by actor Harold Ramis and is known for his dry wit and intelligence. Egon is the brains behind the Ghostbusters team and is responsible for inventing the proton packs and other ghost-catching equipment. He is also the most serious and logical of the group, often providing the voice of reason.