Jack Nicholson grew up believing that his mother, June Nicholson, was his sister, and his maternal grandmother was his mother.
Nicholson struggled academically during his school years and was often placed in classes for children with learning disabilities.
Nicholson holds the record for the most Oscar nominations for a male actor, with 12 nominations throughout his career.
Nicholson has frequently collaborated with director Bob Rafelson and fellow actor Danny DeVito.
Nicholson is known for his immersive method acting approach. He often delves deep into his characters' personalities and backgrounds
Nicholson is a huge basketball fan and is a fixture courtside at Los Angeles Lakers games.
Nicholson's portrayal of the Joker in Tim Burton's "Batman" (1989) earned him widespread acclaim.
Nicholson is not just an actor; he's also a writer and director. He wrote the screenplay for "Drive, He Said" (1971) and directed "Goin' South" (1978) and "The Two Jakes" (1990).
Nicholson's films have collectively earned over $10 billion at the global box office, making him one of the most successful actors in terms of box office revenue.
Nicholson had a tumultuous relationship with actress Anjelica Huston that lasted for nearly two decades.