Primus is the "benevolent" godlike entity in the fictional Transformers comic universe who fought against the Chaos-Bringer Unicron. The Lord of the Light, Primus is the being who created the Transformers to help him defeat Unicron.

Are Primus and Unicron brothers?

Primus is the twin brother of Unicron, his eternal foe, whom he battled for eons before going into stasis. Primus also created the Thirteen, the first Primes, to defeat his evil twin brother and cast Unicron into deep space.

Who created Primus transformers?

An ancient and ethereal being created by the AllSpark, whose origins date back to the beginnings of the universe itself, Primus is a multiversal force for good, his life force existing across multiple realities and infinite alternate universes.