sentences:  He mentored Charlie Chaplin and discovered Buster Keaton and Bob Hope.He was one of the most popular silent stars of the 1910s and one of the highest paid actors in Hollywood, signing a contract in 1920 with Paramount Pictures for $14,000 ().Arbuckle was the defendant in three widely publicized trials between November 1921 and April 1922 for the alleged rape and manslaughter of actress Virginia Rappe.