Sigismund Eisenberg

Sigismund Eisenberg (ジギスムント・アイゼンベルク Jigisumunto Aizenberuku) is the founder and president of Eisenberg Industries, the world's leading manufacturer of armor and weapons.

Etymology
Sigismund comes from Old High German sigu, "victory," and munt, "hand, protection," and literally means "protection through victory." Eisenberg comes from German eisen, "iron," and berg, "mountain."

Eisenhändler is German for "iron monger."