Mack Sennett, born Michael Sinnott, was an American director and producer in the early days of Hollywood. Often referred to as the "King of Comedy," Sennett was known for his slapstick humor and the creation of the Keystone Cops. His work paved the way for future comedic legends such as Charlie Chaplin and Buster Keaton. Synonyms for Mack Sennett might include filmmaker, pioneer, innovator, humorist, entertainer, and comedic genius. His contributions to the film industry cannot be overstated, and his influence on comedy can still be seen in modern movies and television shows.