Joshua Rosfield is a pivotal character in Final Fantasy XVI, serving as the younger brother of the protagonist, Clive Rosfield. He is the Dominant of the Phoenix, a powerful Eikon, which grants him unique abilities. Joshua is characterized by his gentle and kind nature, and his bond with Clive is central to the story's emotional depth. His role in the series unfolds through a journey of discovery and growth, influencing the larger narrative of power struggles and the fate of their world.