Tony Stark (Marvel Cinematic Universe)

Anthony Edward Stark is a fictional character primarily portrayed by Robert Downey Jr. in the Marvel Cinematic Universe (MCU) media franchise—based on the Marvel Comics character of the same name—commonly known by his alias, Iron Man. Stark is initially depicted as an industrialist, genius inventor, and former playboy who is CEO of Stark Industries. Initially the chief weapons manufacturer for the U.S. military, he has a change of heart and redirects his technical knowledge into creating mechanized suits of armor, which he uses to defend Earth.