Mighty creator of the Transformers race, both Autobots and Decepticons owe him their loyalty as his children. He is as old as the Universe itself, and matched in power only by his twin brother, the evil Unicron. Primus is the Lord of Light - a pure, natural force of order, strenght and peace, committed eternally to the struggle against chaos, destruction and the ever-advancing darkness of Unicron.
Cybertron Primus appeared in the following 3 comic books:
Cybertron Primus appeared in the following 24 cartoon episodes: