Mateus Palamecia, often referred to as the Emperor, is a primary antagonist in the Final Fantasy series, particularly in Final Fantasy II. He is the ruler of the Palamecian Empire and seeks to conquer the world through demonic forces and dark magic. Known for his ambition and ruthlessness, Mateus uses his cunning and power to manipulate others, aiming to achieve ultimate control. His character explores themes of ambition and tyranny, making him a memorable villain within the franchise. Mateus's influence extends beyond his own game, appearing in various spin-offs and crossover titles.