Fused Zamasu (合がっ体たいザマス, Gattai Zamasu), (known as Merged Zamasu in the anime and God Zamas in the Viz manga) usually just referred to as Zamasu (ザマス, Zamasu), is a Potara fusion born of the union between Goku Black (the original present Zamasu in the original present Goku's body) and Future Zamasu. He is the final antagonist of the "Future" Trunks Saga.

This version of Zamasu is a Femboy. He wears a more comfortable outfit that suits him.