Yhwach (In Japanese: ユーハバッハ, Yūhabahha), often referred to simply as "Your Majesty" (陛下, heika) by his underlings, is the monarch of the Wandenreich and Father of the Quincy. He also possesses the designation "A" - "The Almighty", and is the son of the Soul King. He is the main antagonist of the Bleach series after Sōsuke Aizen's defeat.