**Robert Downey Jr.** (born in 1965) is an American actor whose career has been marked by great successes, personal setbacks, and a remarkable comeback. He started out very young, quickly gaining acclaim and an Oscar nomination for his portrayal of Charlie Chaplin in *Chaplin* (1992).

After a period of personal difficulties that nearly ended his career, he made an artistic comeback with the role of Tony Stark/Iron Man in the Marvel Cinematic Universe (MCU) beginning in 2008. This performance established him as one of Hollywood's biggest stars, known for his charisma, wit, and ability to portray complex anti-hero characters. He has also received praise for roles such as Sherlock Holmes and, more recently, won an Oscar for his performance in *Oppenheimer* (2023).