Sojobo is the mythical king of the tengu, minor deities who inhabit the mountains of forests of Japan. Sojobo is an ancient yamabushi (mountain hermit) tengu with long, white hair and an unnaturally long nose. He carries a fan made from seven feathers as a sign of his position at the top of tengu society. He is extremely powerful, and one legend says he has the strength of 1,000 normal tengu. Sojobo lives on Mt. Kurama (north of Kyoto).

Sojobo is perhaps best known for teaching the warrior Minamoto Yoshitsune (then known by his childhood name Ushiwaka-maru or Shanao) the arts of swordsmanship, tactics, and magic in the 12th century. This relationship serves as the basis of many Japanese woodblock prints, including one by Yoshitoshi Tsukioka.