This dissertation begins from a rather simple observation: puppets, with varying degrees of success, replicate people. As a predominantly anthropomorphic project, American puppetry in the 20th and 21st centuries borrows from various conceptions of what a person is in order to convincingly reproduce or renegotiate these dynamics through artificial, mechanized means. I offer a study of the materialist backstories of four puppetry traditions—ventriloquism, marionetting, protest puppetry and Muppetry—in order to bring into view their submerged histories and to attend to the ways these histories re-emerge when these mechanized objects and the techniques for animating them are engaged in performance. Personhood, within these puppetry traditions, ...