Kaiba, Seto

Kaiba is the rival of Yugi Mutou and Dark Yugi. He was first introduced as a prodigious, cold-hearted gamer who stopped at nothing to achieve his goals, even resorting to seemingly killing his opponents. He is also Mokuba's older brother and the current majority shareholder and CEO of his own multi-national gaming company, KaibaCorp, and aims to become the world's greatest player of Duel Monsters. Following his second Duel with Yugi, he was left in a coma where he reassembled the shattered puzzle of his heart and emerged less evil. Though reformed, Kaiba retains his arrogance and rivalry with Yugi, but regains compassion for his younger brother, Mokuba.

While Kaiba leaves the story following the Battle City arc, he has been mentioned in the sequel series, Yu-Gi-Oh! GX, as the founder of Duel Academy.

He can be condescending, selfish, no-nonsense, and narcissistic, but, as Dark Yugi has said he can be oblivious at times. However, it is stated by Mokuba that ever since being adopted by Gozaburo, Kaiba became much colder than he used to be. Despite this, Kaiba still has strong brotherly instincts for Mokuba and will put his life in danger in a heart beat to safeguard Mokuba's life. Apart from Mokuba, Kaiba has compassion for children, especially orphans (as he himself was one and knew what it felt like). Kaiba is willing to put his life or other lives on the line to achieve his goals or settle a conflict. He showed almost no fear when Dark Yugi warned him about the possibility of a fatal outcome of a Shadow Game and tries to kill Yugi and his friends during Death-T. However, when he learned that death was the price to be paid in Yugi's Duel with the brainwashed Jonouchi, Kaiba was sickened by the prospect, claiming that even at his worst he would not have done this and attempted to stop the Duel. Like the Pharaoh, pride is Kaiba's strength and weakness; he never backs down from a fight and gives everything he can in a Duel. This results in his sense of superiority and sense of arrogance, making it extremely difficult to earn his respect, and causes him to look down on and treat others as inferior until they do so. This gives him difficulty when forced to rely on others and work as a team. His pride in himself and his accomplishments are prominent parts of his character throughout the series, and he reacts harshly to those who threaten or infringe on it.

He is homologous to the ancient Egyptian Priest, Seto.

(Source: Wikipedia, Yugipedia)