Grynn might be The Nameless King, but so might Faraam: as with all FromSoftware lore, there's no definitive answer. Maybe they're one and the same, and he changed his name to Faraam.

The appearance of the Nameless King, an iconic enemy from Dark Souls 3, in the Nightreign trailer sent shockwaves through FromSoftware’s fan base and it looks like his majesty won’t remain the ...