Michael Keaton is best known for his versatile roles in both comedy and drama films. He shot to fame in the 1980s with memorable performances in movies like "Beetlejuice" and "Mr. Mom". However, his most iconic role has to be Batman in Tim Burton's 1989 film. Keaton's career also saw a resurgence when he starred in the critically acclaimed "Birdman". Off-screen, he's celebrated for his activism and philanthropic efforts.