Geppettox/X-Droid 10 is a Geppetto-themed Machinian Scientist of The Machinian Federation. His name is a pun on the name Geppetto.
He was once a deranged toy maker from Germany during World War II. He used the bones of the children he kills to make his toys. A group of Nazi soldiers broke into his his toy store, "Geppettox Spielzeug Haus!", destroyed everything in sight, including Geppettox, and then burned the place down.
He is portrayed by Brad Dourif.