Siegfried von Schroider

ジークフリード・フォン・シュレイダー, Sieg Lloyd, Zigfried
Sieg Lloyd true name Siegfried von Schroider is the CEO of Schroeder Corp a rival of KaibaCorp. As the champion of Europe he participates in Kaibas KC Grand Championship. He seeks to take down KaibaCorp as revenge because he feels that Seto Kaiba stole his plans for holographic Dueling technology.