Ulkāmukha Pretarāja
Ulkāmukha Pretarāja (Sanskrit: उल्कामुख प्रेतराज; Chinese: 焰口鬼王; pinyin: Yànkǒu Guǐwáng; rōmaji: Enkō Kiō) is a deity within Mahayana and Vajrayana Buddhist traditions, particularly prevalent in East Asian Buddhism. He is considered a manifestation of the Bodhisattva Avalokiteśvara (Guanyin), specifically appearing in a wrathful form to aid beings trapped in the preta realm (pretaloka), the realm of hungry ghosts.