Vaishravana (Skt. Vaiśravaṇa; Tib. རྣམ་ཐོས་སྲས་, Namtösé; Wyl. rnam thos sras; Eng. 'Son of He who has Heard Many Things') — one of the Four Great Kings. Guardian King of the North and leader of the yakshas.
Because his breath is harmful he keeps his mouth tightly closed. He confers spiritual and material wealth on practitioners of the Dharma, symbolized by the jewel-producing mongoose in his left hand.
- Crystal Mirror, volume VI, Dharma Publishing 1984