Bill Maher is an American comedian, political commentator, and television host, best known for his HBO show, Real Time with Bill Maher. He has been a prominent figure in political satire since the 1990s, using humor to discuss current events and social issues. Maher is known for his outspoken views on various topics, including religion, politics, and free speech. He often invites guests from different backgrounds to engage in discussions, promoting debate and critical thinking among his audience. His style combines comedy with commentary, making complex issues more accessible.