Premise: Robert John Downey Jr. ( born April 4 , 1965 ) is an American actor . Making his acting debut at the age of five , appearing in his father 's film Pound ( 1970 ) , Downey Jr. appeared in roles associated with the Brat Pack , such as the teen sci-fi comedy Weird Science ( 1985 ) and the drama Less Than Zero ( 1987 ) . He starred as the title character in the 1992 film Chaplin , which earned him a nomination for the Academy Award for Best Actor and won him the BAFTA Award for Best Actor in a Leading Role . Beginning in 2008 , Downey began portraying the role of Marvel Comics superhero Iron Man in the Marvel Cinematic Universe , appearing in several films as either the lead role , member of an ensemble cast , or in a cameo .
Hypothesis: Robert Downey Jr. is an actor.
Label: ENTAILMENT