Noun
A person who entertains with, or operates puppets; a puppeteer.
Synonym: puppeteer
(figuratively, by extension) A person who controls other people and/or events.
Source: en.wiktionary.orgAfter remembering a moment when Bem seemed to lose control over himself, Ben's girlfriend Alicia Masters fears her step-father Philip Masters, the villainous Puppet Master, is up to his old tricks. Source: Internet
At the end of the issue, Thing won so dramatically that he basically destroyed Puppet Master's ability to even keep himself into a coherent body and Puppet Master collapses back into clay. Source: Internet