Headmaster - 1) A Transformer whose head can transform into a smaller humanoid being. In the American continuity, Headmasters were aliens from the planet Nebulos (with the exception of two humans, Spike Witwicky and Daniel Witwicky). In the Japanese continuity, the Headmasters were small robots who constructed larger bodies that they controlled. 2) A mechanical unit controlled by a human that can take over the functions of a Transformer body. Introduced in the "Transformers Animated" series.
Hub, The - A mechanical construct of interconnecting spheres and bridges in a distant sector of space that houses the Generation 2 Decepticons and
their leader, Liege Maximo.