Fudo Myo-O Wisdom King in Chinese / Japanese...

不動明王 is the fierce form of the Buddha Vairocana, and the most important of the Myō-ō or Ming Wang class of deities.

Romanized as Fudō Myō-ō, in Japanese Buddhism or Bùdòng Míngwáng / Pu-Tung Ming-Wang in Chinese Buddhism,

Originally Acala/Achala (अचल “The Immovable”), Acalanātha (अचलनाथ “Immovable Lord”) or Āryācalanātha (आर्याचलनाथ, “Noble Immovable Lord”).

In English, this deity is sometimes called “Wisdom King.”