Multiple minds fuse when a Transformers combiner forms, and that fusion turns into an instrument of terrifying purpose or a ...

Predaking? Weak. Superion? Bah. Before the Autobots and Decepticons started transforming teams of five into one giant robot, there were the Constructicons, six construction vehicle robots who combined ...

Combiners worked for a generation of fans already being trained to fall in love with transforming robots, but they also made sense in-universe.