Callisto Regulus.

Callisto is the first son and Crown Prince of the Eorka Empire to his Father, the current Emperor, and Mother the previous and deceased Empress. He was deemed as a war hero after the Eorka Empire had won against several countries, including Delman. An overly violent and intimidating man who is constantly on guard due to his position as the crown prince. He's extremely hostile to those he suspects will harm him or those who are in his brother's faction. He's also extremely persistent if he finds himself interested in something. His humor is often darkly tinted ill timing. But despite his rude demeanor, he can be extremely carefree and polite to those he enjoys. He's extremely quick-witted and honest but can be aloof to outside opinions regardly his image. Callisto's mother died when he was young. After his mother's death, Callisto was targeted by assassins which the Queen sent. His mother who lost the favor of the Emperor told Callisto that he needed to be the Emperor, one time when he was still a kid, his brother's birthday and the hunting competition overlapped. He wanted to give him a present so he went hunting for a small animal. But while hunting he encountered a bear, while trying to escape from the bear, he encountered assassins that were sent by the Queen. The assassins and the bear faced off and both parties resulted dying. He took the bear head and threw it at the pile of present for his brother.