Final answer:
David Margulies played mayor Lenny in the sci-fi comedy 'Ghostbusters' and its sequel, 'Ghostbusters II'.
Step-by-step explanation:
Actor David Margulies played the role of mayor Lenny in the sci-fi comedy Ghostbusters and its sequel Ghostbusters II. Both movies are classic examples of science fiction mixed with comedic elements. Ghostbusters, the original film, was released in 1984, followed by the sequel in 1989. David Margulies's character serves as the mayor of New York City dealing with the supernatural events caused by ghosts in the city. The series is well known for its combination of humor, action, and special effects, making it a beloved franchise in the sci-fi comedy genre.