What is the iconic line of dialogue that is associated with this scene from the film Iron Man?

Robert Downey Jr. portrayed an iconic film personality in this 1992 film which earned him an Academy Award nomination for Best Actor. Name the film personality.

Which iconic literary character did Robert Downey Jr. portray in this film?

This 2007 film directed by David Fincher is based on the story of the manhunt for a serial killer who terrorized the San Francisco Bay Area during the late 1960s and early 1970s. Name the film.

Robert Downey Jr. was nominated for an Academy Award for Best Supporting Actor for this performance in a 2008 film. Name the film.