Ozai
Ozai is a fictional character from the animated television series Avatar: The Last Airbender. He serves as the primary antagonist and is the Fire Lord of the Fire Nation. Ozai seeks to conquer the world and eliminate the Avatar, a being capable of bending all four elements: water, earth, fire, and air.
Ozai is known for his ruthless ambition and desire for power. He is the father of Zuko and Azula, and his harsh treatment of them shapes their characters throughout the series. His ultimate goal is to establish the dominance of the Fire Nation over the other nations.