Seto Kiaba
Seto Kiaba is a cocky arrogant stuck up person. He was in an orphanage with his brother Mokuba until he challenged a Professional Chess player with the condition if he won that the man must adopt him and his brother. He won and the man kept his deal the man own a huge corporation Kiaba corp.
When his father died, Seto Kiaba and his brother were left with the multi million dollar company. The company did one main thing created virtual holograms that brought Duel Monsters to life with extreme detail you could even smell them. The company also has a place in Domino Kiaba Land where duelist can go duel in stadiums with the life like holograms. They are also responsible for Duel disks potable duel disks project the holograms of the monsters making it possible to duel anywhere.
But Kiaba is hated by many he has a bad attitude and like help from no one and likes to only do things him self. But because he has the title top duelist in the world he is invited to the Duelist Kingdom along with Yu-gi-oh Motou and Joey Wheeler. Pegasus tells him that he must beat Yu-gi first. But the plan back fires and Yu-gi beats Kiaba and he is shocked that a beginner beat him the world champion.
For a little while Kiaba is not himself shocked that he was beaten by Yu-gi. He also is told the reason he won is the heart of the cards which is the idea that if you believe in your self and your deck you will win. Kiaba briefly considers this to be true and then decides his way is better and he was just lucky in beating him.
Soon Pegasus wants control of Kiaba Corp he thinks with the holograms and his Millennium eye he can get his dead wife back. So to bait Kiaba in he captures his brother Mokuba. Kiaba takes the bait and challenges Pegasus to a duel if he wins then he gets Mokuba back if he looses then he and his brother are sent to the shadow realm.
Pegasus wins and Kiaba and his brother are sent to the shadow realm and Yu-gi must rescue him if there is any hope in seeing the Kiaba brothers again.