Seto Kaiba

"Your playing monsters as meat shields in case I draw the blue eyes but, it's no use!"

-Kaiba in the manga

=In the Anime=



In the anime series Yu-gi-oh!, Seto is an on and off villain, generally just in the fact that he tries to get in Yugi's way. In the anime, the worst thing he did is probably give Yugi's grandfather a heart attack by beating him.

=In the Manga=



In the manga of the same series, Kaiba will stop at nothing to get his way. Going so far as to kill his step father so he could inherit Kaiba corp. He is also seen as a master of all games, but his favorite is duel monsters. Kaiba, after being defeated by Yugi, in a match over his grandfather's blue-eyes white dragon, the most power card in the game, of which there are only three, Yugi traps Kaiba in an illusion of the duel monsters world, for one night. This gives Kaiba nightmares from onward, but his resolve is only strengthened. He constructs an entire event at a theme park, in order to plot Yugi's death, as well as his friends. Kaiba kidnaps Yugi's grandfather in order to get Yugi to come, and destroys the blue-eyes white dragon he won from him. In the final battle with him, Kaiba recreates the "shadow game" that Yugi made, with a large glass box that will set of an illusion on the person who loses. Kiaba notes that the shock almost killed Yugi's grandfather. Kaiba ends of losing the match, and falling victim to his own plan.