When at six months of age he tumbled down a flight of stairs unharmed, he was given the name Buster by Harry Houdini who, along with W.C. Fields, Bill Robinson (Bojangles), Eddie Cantor and Al Jolson shared headlines with The Three Keatons: Buster, his father Joe Keaton and mother Myra Keaton. Their act, one of the most dangerous in vaudeville, was about how to discipline a prankster child. Buster was thrown all over the stage and even into the audience. No matter what the stunt, he was poker-faced. By the time Buster turned 21, however, his father was such a severe alcoholic that the stunts became too dangerous to perform and the act dissolved. He first saw a movie studio in March 1917 and, on April 23, his debut film, Roscoe Fatty Arbuckles The Butcher Boy (1917), was released. He stayed with Fatty through 15 two-reelers, even though he was offered much more to sign with Fox or Warner Bros. after returning from ten months with the U.S. Army (40th Infantry Division) in France.