Tenguto, who were referred to as "tsukubazei" or "波山勢" because they raised the army on the Mt. Tsukuba, was joined by citizens, peasants and Shinto priests, in addition to roshi and feudal retainers of domain who were solicited by Koshiro FUJITA.
筑波山で挙兵したことから筑波勢、波山勢などと称された天狗党には、藤田小四郎の勧誘に同調した浪士、藩士はもとより、町民、農民や神官なども多く加わっていた。