01. Robert Downey Jr. was born on April 4, 1965, in New York City, USA.


02. His father, Robert Downey Sr., was a filmmaker and actor, while his mother, Elsie Ann Downey, was an actress.


03. Downey Jr. began his acting career at the age of five, appearing in his father's films.


04. He made his big-screen debut in 1985 in the movie "Tuff Turf."


05. Downey Jr. struggled with drug and alcohol addiction in the 1990s and early 2000s, which affected his career and personal life.


06. In 1992, he was arrested for drug possession and spent several months in a California prison.


07. Downey Jr. is known for his roles in movies such as "Chaplin," "Iron Man," "Sherlock Holmes," and "The Avengers."


08.He has been nominated for two Academy Awards, for his performances in "Chaplin" and "Tropic Thunder."


09. Downey Jr. is also a talented musician and has released two albums, "The Futurist" and "Age of Ultron."


10. In 2010, Downey Jr. won the Golden Globe for Best Actor in a Musical or Comedy for his role in "Sherlock Holmes."


11. He is one of the highest-paid actors in Hollywood, with an estimated net worth of $300 million.


12. Downey Jr. has been married to producer Susan Downey since 2005, and they have two children together.


13. He is also known for his philanthropic work, including his support for the Motion Picture & Television Fund and the Make-A-Wish Foundation.


14. In 2014, Downey Jr. was honored with the Generation Award at the MTV Movie Awards.


15. He has also received several other awards and honors throughout his career, including a BAFTA Award and a People's Choice Award.


16. Downey Jr. is a supporter of the LGBTQ+ community and has been involved in several LGBTQ+ charities and causes.


17. He is also an advocate for mental health awareness and has been open about his own struggles with addiction and depression.


18. Downey Jr. is an animal lover and has several pets, including cats and dogs.


19. He is fluent in Spanish and has acted in several Spanish-language films.


20. Downey Jr. is known for his quick wit and humor and is often described as one of the most charming and charismatic actors in Hollywood.