Ultra Magnus generally appeared as a chief lieutenant to the leader of what fictional group of sentient robots?
Ultra Magnus Ultra Magnus is the name of several fictional characters from the various "Transformers" storylines, generally appearing as a chief lieutenant of Optimus Prime.
U.S. Robots and Mechanical Men U.S. Robots and Mechanical Men, Inc. is a fictional 21st century manufacturer of robots that appears in Isaac Asimov's "Robot" series of novels and short stories.