Kōbō Daishi, also known as Kōbō Daishi or Kōbō Daishi, was a prominent Japanese monk, scholar, and founder of the Shingon school of Buddhism in the early 9th century. His contributions were pivotal during the Heian period, where he established important temples and promoted esoteric Buddhist practices, making him a central figure in the development of religious beliefs in Japan, particularly at a time when the imperial capital was becoming more established.