We all know it's Houdini's birthday. But did you also know that Rosco 'Fatty' Arbuckle was born on this day in 1887? Fatty Arbuckle was a pioneer comedian during the Silent Film era. He holds the distinction of being the first person to be hit with a pie on film! When newcomer Charles Chaplin was hired by Mack Sennett to replace a comedian who had just left, Chaplin borrowed the pants of none other than Fatty Arbuckle to help create his character 'The Tramp'.