Harry Houdini's World War I Draft Registration Card indicates his middle name was "Handcuff." Regardless of whether or not that is true, it does make for an interesting card. Houdini's actual card includes his signature and indicates that he had a weak left hand. The World War I Draft Registration Cards, 1917-1918 are a part of Ancestry.com's genealogy databases. Houdini's card can be viewed on our site.