waldo /ˈwôldō, ˈwɔldoʊ 
/ ▸ noun (plural waldos or waldoes)
a remote manipulator, as for puppets, operated either mechanically or electronically. – ORIGIN 1940s : named after Waldo F. Jones, a fictional inventor described by Robert Heinlein in a science fiction story.
EnglishOxford New American Dictionary
